10Pcs T5577 Writable RFID Cards
5.0Editor score
125kHz Proximity Support
Standard Credit Card Size
Durable White PVC Material
In this guide
Blank rewritable RFID cards offer a versatile solution for access control, event management, and personalized data storage. These smart cards can be programmed and reprogrammed multiple times, providing flexibility for various applications ranging from hotel keys to membership systems.
We have carefully evaluated ten leading options based on compatibility, durability, chip type, and user feedback. This guide covers both high-frequency NFC cards and low-frequency proximity cards to ensure you find the perfect match for your specific reader system.
Each selection highlights key features, pros, and cons to help you make an informed decision quickly. Please note that product availability and pricing may change over time, so always verify current details before finalizing your purchase decision.
Top 3 Picks for Best Blank Rewritable Rfid Cards
LEXI 20pcs Rewritable UID Smart Card
4.2Editor score
13.56MHz Frequency
Over 100k Rewrite Cycles
Mifare Classic 1K Compatible
80 Pcs MIFARE Classic 1K RFID Cards
4.7Editor score
1024 Byte Memory
High Security Access Keys
Professional Access Control Use
Top 10 Best Blank Rewritable Rfid Cards in 2026 Compared
This side-by-side comparison breaks down the key specifications and use cases for each of the top ten blank rewritable RFID cards currently available on the market.
ProductsSpecificationsEditor scorePrice
Editor's Choice
LEXI 20pcs Rewritable UID Smart Card
13.56MHz Frequency
Mifare Classic 1K
Block 0 Sector Rewritable
10-10cm Read Distance
4.2Editor score
Editor's Choice
30 Pack NTAG Ultralight EV1 NFC Cards
13.56MHz Frequency
48 Byte User Memory
10 Year Data Retention
Anti-Collision Function
4.1Editor score
Best Premium
YARONGTECH-125khz writable rewrite blank white T5577
125kHz Frequency
T5577 Chip
Write Before Read Required
Printable by Zebra
4.5Editor score
12 Pack 125khz writable rewrite Blank White T5577
125kHz Frequency
T5577 ID Chip
0.8mm Thickness
Hotel Key Application
4.5Editor score
10Pcs T5577 Writable RFID Cards
125kHz Frequency
T5577 Writable Chip
1.8mm Thickness
Waterproof PVC Material
5.0Editor score
100 Pack 125khz writable rewrite Blank White T5577
125kHz Frequency
T5577 ID Chip
Bulk Pack Size
Lanyard Hole Included
4.5Editor score
JASAG 100pcs Premium Rewritable UID Smart Card
13.56MHz Frequency
Mifare Classic 1K
100k Rewrite Cycles
Unique Encrypted ID
4.6Editor score
80 Pcs MIFARE Classic 1K RFID Cards
13.56MHz Frequency
Fudan FM11RF08 Chip
Sector 0 Locked UID
16 Independent Sectors
4.7Editor score
5 Pack T5577 125kHz Rewritable RFID Cards
125kHz Frequency
T5577 Chip
Blank Rewritable Design
Asset Tracking Use
12 PCS T5577 Thick Smart Cards
125kHz Frequency
1.8mm Thickness
Clamshell Design
Wiegand Prox Card
4.7Editor score
1. LEXI 20pcs Rewritable UID Smart Card – Best Overall 13.56MHz Card
LEXI 20pcs Rewritable UID Smart Card
13.56MHz Frequency
Over 100k Rewrites
1K Byte Memory
ISO/IEC 14443A
The LEXI 20pcs Rewritable UID Smart Card stands out as a top choice for users needing reliable 13.56MHz access control solutions. With a solid rating and robust rewritability, this card supports over 100,000 rewrite cycles, ensuring long-term usability for high-frequency applications.
Pros
- Fully compatible with Mifare Classic 1K
- Rewritable block 0 sector
- Unique encrypted ID number
- Durable PVC material
- Works with most access readers
Cons
- Requires specific 13.56MHz reader
- Limited to 10cm range
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Its full compatibility with Mifare Classic 1K standards means it integrates seamlessly with existing systems that rely on 4-byte UID and 1K byte memory. The ability to rewrite Block 0 Sector provides a significant advantage for cloning and custom programming needs that other cards cannot offer.
While the reading distance is limited to 0-10cm, which is standard for this frequency, the card's durability and unique encrypted ID numbers add layers of security and reliability. However, users must ensure their readers support the ISO/IEC 14443A protocol before purchasing.
This card is ideal for businesses managing door access control systems or individuals looking to duplicate keys for personal use. Its balance of performance, compatibility, and rewritability makes it a highly recommended option for both professional and hobbyist projects.
High Rewritability for Long-Term Use
With support for over 100,000 rewrite cycles, these cards can be reused extensively without data corruption, making them perfect for dynamic access control systems that require frequent updates.
Comprehensive Security Features
Each card features a unique encrypted ID number that can be reprogrammed, allowing for secure customization while maintaining compliance with industry-standard protocols for reliable authentication.
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2. 30 Pack NTAG Ultralight EV1 NFC Cards – Best for NFC Projects
30 Pack NTAG Ultralight EV1 NFC Cards
13.56MHz Frequency
48 Byte User Memory
10-Year Data Retention
Anti-Tamper Protection
The 30 Pack NTAG Ultralight EV1 NFC Cards offer a high-tech solution for event tickets and personalized data programming. Built with original EV1 chips, these cards provide 48 bytes of user rewritable memory and exceptional data retention capabilities for long-term storage needs.
Pros
- Original NTAG Ultralight EV1 chip
- Printable matte white surface
- Built-in anti-collision function
- Comprehensive security mechanisms
- Compatible with thermal printers
Cons
- Requires unlocking for standard use
- Not compatible with inkjet printers
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Their premium PVC material ensures waterproof and scratch-resistant durability, while the matte blank white surface supports thermal sublimation for custom logos and text. Advanced features like anti-collision and 16-bit CRC checks prevent data loss during transmission and allow multiple cards to be identified simultaneously.
Users should note that these cards come factory-locked and require a specific unlocking sequence via NFC Tools to function like standard NTAG215 chips for projects like wedding photo sharing. Once unlocked, they offer extensive security options including password protection and ECC originality signatures.
Ideal for businesses managing temporary visitor authorization or event admissions, this pack provides the reliability needed for high-volume use. The combination of durability, customizability, and advanced NFC features makes it a strong contender for smart event management solutions.
Advanced Security and Data Protection
Equipped with configurable password protection and anti-tamper mechanisms, these cards safeguard stored information against unauthorized access, ensuring secure data handling for sensitive applications.
Versatile Customization Options
The uncoated surface allows for high-quality thermal printing, enabling personalized branding and design elements that enhance the professional look of event tickets and membership cards.
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3. YARONGTECH T5577 Cards – Best 125kHz Hotel Key Cards
YARONGTECH-125khz writable rewrite blank white T5577
125kHz Frequency
T5577 Chip
Rewritable Before Read
Printable Card Material
The YARONGTECH blank white T5577 cards are designed specifically for hotel key and access control applications requiring 125kHz frequency. These cards are built with original T5577 chips that allow users to write custom IDs before use, offering complete flexibility for replacement or cloning.
Pros
- Original T5577 chip
- Rewritable 125khz format
- No pre-programmed ID
- Compatible with many writers
- Blank white printable surface
Cons
- Cannot be read before programming
- Requires external writer device
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Unlike some pre-programmed options, these cards arrive without a fixed ID number, meaning they must be programmed using a compatible 125KHz RFID writer or copier. This characteristic ensures that the card can be customized to match existing systems precisely without conflict.
The blank white surface is designed to be printable by professional card printers like Zebra, Fargo, or Evolis, allowing for branding or labeling on the card itself. However, users must be aware that the card is blank until written to, so initial setup is required before deployment.
For hoteliers or property managers looking to replace lost keys or set up a temporary access system, this pack provides an effective and economical solution. The ability to duplicate specific ID formats ensures compatibility with standard proximity readers used in the hospitality industry.
Complete Customization Control
Since these cards come without a pre-programmed ID, you have total control over the data written to them, allowing seamless integration with existing access control infrastructure.
Professional Printing Compatibility
The surface is optimized for professional card printers, enabling high-quality branding that enhances the professional appearance of your hotel or facility ID cards.
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4. 12 Pack T5577 Cards – Best for Access Control Duplication
12 Pack 125khz writable rewrite Blank White T5577
125kHz Frequency
T5577 ID Chip
0.8mm Thickness
Hotel Key Application
This 12-pack of T5577 proximity cards is engineered for duplicating standard 125kHz ID cards efficiently. Each card uses the T5577 chip, which allows writing in both 125khz ID format and H-ID WG 125khz format, making it versatile for various proximity systems.
Pros
- Supports proximity duplication
- Credit card standard size
- 0.8mm standard thickness
- Copies common ID formats
- Lanyard punch hole dot
Cons
- Requires external programming tool
- Limited to 125kHz systems
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Standardized to CR80 size with a thickness of 0.8mm, these cards fit comfortably in wallets and badge holders, matching the dimensions of standard credit cards for convenience. They are capable of copying duplicates for EM4100 and TK4100 ID cards, keychains, and tags.
The cards feature a punch hole on both short and long sides, allowing users to attach lanyards easily for convenient carrying. However, like many rewritable cards, they cannot be read until programmed, so users must have a copier device ready before use.
Ideal for small businesses or homeowners managing guest access, these cards provide a reliable way to create backup or additional credentials without needing original manufacturer keys. Their durability and ease of programming make them a practical choice for general proximity needs.
Dual Format Support
With support for both standard ID and H-ID WG formats, these cards adapt to a wide range of access readers, reducing the need for multiple card types.
Integrated Lanyard Holes
The built-in punch holes allow for easy attachment to lanyards, ensuring the cards stay secure and accessible when worn around the neck.
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5. 10Pcs T5577 Cards – Best Value for Budget Buyers
10Pcs T5577 Writable RFID Cards
125kHz Frequency
T5577 Chip
1.8mm Thickness
Waterproof PVC
The 10Pcs T5577 Writable RFID Cards offer an excellent balance of quality and affordability, earning a perfect 5.0 rating from users. These cards are built with writable T5577 chips that work seamlessly with 125kHz readers and access control systems supporting common proximity formats.
Pros
- High 5.0 rating
- Budget-friendly packaging
- 1.8mm durable thickness
- Waterproof PVC material
- Multiple system compatibility
Cons
- Requires 125kHz writer
- Not for metal surfaces
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Designed with a thickness of about 1.8mm, these cards are notably sturdier than many standard CR80 cards, offering enhanced durability for daily use. They are made of quality white PVC material that is waterproof and wear-resistant, suitable for long-term applications in various environments.
Users must program these cards with a compatible writer before they can be read or utilized, ensuring that no data is lost or mismatched from the start. They are versatile for use in smart door locks, employee IDs, and school cards, though they should not be placed directly on metal surfaces.
This pack is ideal for small teams or individuals needing a few reliable backup cards at a low cost. The high durability and strong user ratings suggest these cards are a dependable choice for straightforward access control projects.
Superior Durability
The 1.8mm thickness provides extra sturdiness compared to standard cards, reducing the risk of bending or breaking during regular daily use.
Wide Format Compatibility
Supporting formats like 1386 and H10301 ensures these cards work with a broad range of legacy and modern 125kHz access systems.
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6. 100 Pack T5577 Cards – Best Bulk Option for Large Deployments
100 Pack 125khz writable rewrite Blank White T5577
125kHz Frequency
T5577 Chip
Bulk Pack
0.8mm Thickness
For larger installations requiring significant quantities, this 100-pack of T5577 proximity cards provides an economical and consistent solution. Each card features the original T5577 ID chip, allowing for duplication of standard 125khz proximity cards and EM4100/TK4100 formats.
Pros
- 100 unit bulk pack
- Supports 125khz duplication
- Standard 80 card size
- Lanyard hole sign
- Copies common ID tags
Cons
- High upfront quantity
- Requires programming setup
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Like the smaller versions, these cards are CR80 size with a 0.8mm thickness, ensuring they fit standard card sleeves and readers. The packaging includes lanyard punch holes on both short and long sides, offering flexibility in how the cards are carried or displayed by end-users.
Users must program the cards before they can be read, as they arrive with no pre-written ID numbers. This blank state is essential for customizing credentials to match specific access systems, but it does require an initial investment in a writer/copier device.
Ideal for businesses with multiple employees or venues managing event access, this bulk pack ensures you have enough cards to cover your needs without frequent reordering. The consistent quality and compatibility make it a solid choice for scale proximity deployments.
Cost-Effective Bulk Pricing
Purchasing in a 100-unit pack reduces the per-card cost significantly, making it ideal for large organizations needing many replacement credentials.
Versatile Lanyard Integration
Multiple punch hole options allow for secure lanyard attachment, ensuring that ID cards remain accessible and organized during daily operations.
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7. JASAG 100pcs Premium Cards – Best for Bulk NFC Projects
JASAG 100pcs Premium Rewritable UID Smart Card
13.56MHz Frequency
Mifare Classic 1K
100k Rewrites
Unique ID Number
The JASAG 100pcs Premium Rewritable UID Smart Cards provide a robust solution for users needing large quantities of 13.56MHz cards. These cards are fully compatible with Mifare Classic 1K standards and offer over 100,000 rewrite cycles for extensive reuse across multiple applications.
Pros
- Rewritable UID support
- 100k rewrite cycles
- 1K byte memory
- ISO/IEC 14443A compliant
- Premium card quality
Cons
- 13.56MHz specific only
- Not for 125kHz readers
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With 1K of memory organized into 16 sectors, these cards support complex data structures and permission systems. Each card features a unique encrypted ID number that can be reprogrammed, allowing for secure and flexible access management in controlled environments.
Compliant with ISO/IEC 14443A protocols, these cards work with standard card readers within a 0-10cm range. The premium PVC construction ensures durability, making them suitable for high-frequency use in professional settings like offices or hotels.
Ideal for developers, businesses, or organizations requiring a large stock of rewritable cards, this bulk option ensures consistency and reliability. The ability to rewrite both data and UID offers superior flexibility compared to non-rewritable alternatives.
High-End Rewritability
Support for 100,000 rewrite cycles means these cards can handle heavy daily usage without performance degradation, ideal for shared or temporary access scenarios.
Secure Unique ID Customization
The unique encrypted ID allows for secure customization while maintaining compatibility with existing Mifare infrastructure for seamless integration.
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8. 80 Pcs MIFARE Classic 1K Cards – Best for Secure Enterprise Access
80 Pcs MIFARE Classic 1K RFID Cards
13.56MHz Frequency
Fudan FM11RF08
Block 0 Locked UID
16 Sectors
The 80 Pcs MIFARE Classic 1K RFID Cards are designed for secure commercial and enterprise applications where data integrity is paramount. Featuring original Fudan FM11RF08 chips, these cards conform to Mifare Classic 1K and ISO 14443A standards with a factory-locked exclusive UID.
Pros
- Factory-locked UID security
- Built-in e-wallet blocks
- Compatible with ACR122U
- Durable PVC material
- High-security multi-level
Cons
- UID not rewritable
- No iPhone writing support
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Each card offers 1024-byte memory divided into 16 independent sectors, each with dual access keys for granular permission management. This structure supports hierarchical security, making it suitable for systems requiring e-wallet features or specific user permissions.
While the UID is hardware-locked to prevent cloning, the rest of the memory is writable for custom applications. The cards are made of durable waterproof PVC and support 100,000 read-write cycles, ensuring longevity for daily high-frequency use in hotels or offices.
This pack is ideal for organizations needing reliable, secure access credentials that resist unauthorized duplication. The combination of robust security protocols and high durability makes it a premium choice for professional environments.
Enterprise-Grade Security
The factory-locked UID prevents unauthorized cloning, ensuring that only legitimate cards can access your secure systems, protecting against unauthorized entry.
Advanced Permission Management
With 16 independent sectors and dual access keys, you can manage different user permissions on a single card, enabling complex access control policies.
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9. 5 Pack T5577 Cards – Best for Testing and Small Projects
5 Pack T5577 125kHz Rewritable RFID Cards
125kHz Frequency
T5577 Chip
5-Pack Quantity
Asset Tracking Use
This 5-pack of T5577 blank RFID cards is perfect for testing, development, or replacing a few existing tags in personal systems. Each card uses the T5577 chip operating at 125kHz, designed to be rewritable and erasable for various programming needs.
Pros
- Compact 5-pack size
- Blank rewritable design
- Compatible with common readers
- Suitable for testing
- Legal authorization note
Cons
- No customer rating available
- Limited to small quantities
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The blank design allows users to write custom IDs or credentials directly to the cards, provided they have authorization to program specific access credentials. This flexibility makes them suitable for DIY projects, asset tracking, or temporary access management.
Users should ensure they have a compatible 125kHz reader writer to program the cards effectively. While there is no specific customer rating listed, the product description emphasizes legal usage and authorization, ensuring responsible deployment of these programmable cards.
Ideal for developers or individuals setting up small-scale access control or inventory systems, this pack provides just enough cards for prototyping or immediate replacement without committing to a larger bulk order.
Flexible Blank Configuration
The lack of pre-written data allows you to program the cards exactly to your system requirements, providing maximum customization flexibility for your project.
Legal and Responsible Use
Clear documentation emphasizes using these cards for authorized systems only, promoting responsible security practices when deploying programmable access credentials.
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10. 12 PCS T5577 Thick Cards – Best for Heavy-Duty Use
12 PCS T5577 Thick Smart Cards
125kHz Frequency
1.8mm Thickness
Clamshell Design
Wiegand Prox
The 12 PCS T5577 Thick Smart Cards stand out for their durable clamshell design and 1.8mm thickness, offering enhanced protection against wear and tear. These cards are built for 125kHz proximity systems and support formats like Wiegand and Prox for broad compatibility.
Pros
- 1.8mm extra thick card
- Clamshell construction
- Supports 26-bit Prox
- Compatible with common readers
- High durability rating
Cons
- Not compatible with ONITY
- Does not work with NFC
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They are compatible with readers supporting 1386, 1326, and H10301 formats, making them versatile for various access control setups. The thick construction ensures the cards withstand frequent swiping and handling, making them ideal for daily commercial or institutional use.
It is important to note that these cards are not compatible with ONITY systems or Proxmark3 RDV4, and they do not function with NFC-enabled phones. Users must write data using a 125kHz RFID writer before use as the cards come blank without data.
With a high rating of 4.7, these cards prove their reliability for robust applications. They are a practical choice for environments where standard thin cards might bend or break, ensuring consistent performance over time.
Robust Physical Build
The 1.8mm clamshell design provides superior structural integrity, preventing bending or breakage even under heavy daily usage in demanding environments.
Broad Format Compatibility
Support for multiple common formats ensures these cards can be deployed across a wide range of existing access control hardware without needing upgrades.
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Buying Guide – How to Choose the Best Blank Rewritable Rfid Cards
Selecting the right blank rewritable RFID card involves understanding frequency compatibility, memory type, and application needs.
Frequency Compatibility
The first critical step is determining whether your system uses 125kHz (low frequency) or 13.56MHz (high frequency). 125kHz cards like T5577 are common for basic access control, while 13.56MHz cards like Mifare Classic offer more data storage and security.
Always check your reader specifications before purchasing to ensure the card frequency matches the system exactly.
Chip Type and Rewritability
Different chips offer different levels of functionality. T5577 chips are fully rewritable and ideal for duplicating existing keys, whereas Mifare Classic 1K cards may have locked sectors for higher security.
If you need to change data frequently, choose a fully rewritable option like T5577 or UID-modifiable Mifare cards.
Memory and Storage Needs
Cards like NTAG Ultralight offer less memory (48 bytes) compared to Mifare Classic 1K (1024 bytes). Consider how much data you need to store on the card for applications like tickets or membership data.
For simple access, low memory is sufficient, but complex systems may require higher capacity cards.
Durability and Material
Look for waterproof PVC construction and appropriate thickness (0.8mm to 1.8mm) based on how often the card will be used. Thicker cards offer better resistance to bending and physical wear.
Premium options often include scratch-resistant coatings for longer lifespan in high-traffic environments.
Security Features
Advanced cards include features like encrypted IDs, anti-tamper protection, and sector locking. These features prevent unauthorized copying and are essential for commercial or enterprise security.
Ensure the card supports the security protocol required by your access system to maintain system integrity.
Customization and Printing
If you need branded cards, choose options with printable surfaces suitable for thermal or laser printers. Some cards require pre-printing before writing data, so plan your workflow accordingly.
Matte surfaces are typically easier to print on than glossy ones for custom designs.
Pack Size and Quantity
Bulk packs offer better value for businesses needing multiple cards, while small packs are ideal for testing or individual use. Consider your current and future needs when selecting pack size.
Buying in larger quantities often reduces the cost per card significantly over time.
Device and Writer Requirements
Many rewritable cards come blank and require a separate writer device to program data. Ensure you have the necessary tools or budget for them before purchasing the cards.
Check if your smartphone supports NFC reading if you plan to use mobile devices for programming.
How to Use and Care for Your Blank Rewritable Rfid Cards
To use blank rewritable cards, you must first program them with a compatible writer. For 125kHz cards, use a T5577 copier; for 13.56MHz cards, use an Mifare writer or smartphone NFC app.
After writing data, test the card on your reader to ensure it is recognized. If using for access control, ensure the data matches the format expected by your system.
Store cards away from magnets and extreme heat to maintain data integrity. Clean them gently with a soft cloth if they become dirty to prevent wear on the chip.
Frequently Asked Questions
Can I duplicate existing hotel key cards with these rewritable cards?
Yes, provided your reader and system use compatible frequencies like 125kHz or 13.56MHz. T5577 cards work well for 125kHz hotel keys, while Mifare cards work for 13.56MHz systems. Always verify system compatibility before attempting duplication.
Do I need a special device to write data on these cards?
Yes, blank cards require an RFID writer or copier to program data. Some Mifare cards can be written via smartphones with NFC, but basic 125kHz cards typically need a dedicated USB writer device.
What is the difference between Mifare Classic and NTAG cards?
Mifare Classic 1K offers 1024 bytes of memory and is suited for access systems, while NTAG cards have less memory but are optimized for simple NFC tasks. Mifare cards generally support more robust security features.
How many times can I rewrite these cards?
Most rewritable cards support at least 100,000 write cycles, ensuring longevity for repeated use. However, actual lifespan may vary depending on environmental conditions and usage frequency.
Can I print logos on these cards?
Yes, many cards have matte PVC surfaces designed for thermal printing or professional card printers. Check product details for specific printer compatibility before purchasing.
Will these cards work with iPhones?
Only 13.56MHz NFC cards work with iPhones for reading data. iPhones do not support writing to Mifare Classic cards or reading 125kHz proximity cards, so check iOS compatibility before buying.
Are these cards legal to use?
They are legal for personal use or authorized access systems. Unauthorized duplication of third-party access cards may be illegal; always ensure you have permission to program and use these cards.
Final Thoughts on Choosing the Best Blank Rewritable Rfid Cards
Whether you need simple T5577 cards for duplication or secure Mifare Classic cards for access control, selecting the right frequency and chip type is essential for performance and compatibility.
Prioritize durability and rewrite cycles if you plan to use these cards daily. For advanced applications, consider options with higher memory and security features.
Prices and availability may fluctuate, so verify current product details before purchasing. Choosing the right card ensures reliable access management and long-term value.