12 Pack 125khz T5577 Cards
4.5Editor score
Standard 125KHz proximity chip
Supports ID and H-ID formats
Durable PVC material construction
In this guide
Finding the right blank rewritable RFID cards is essential for businesses managing access control or event tickets. These cards allow users to write and rewrite data multiple times, offering flexibility and cost savings for various applications.
We compared ten top-rated products based on their chip types, rewrite cycles, compatibility with readers, and durability. Our analysis covers both high-frequency and low-frequency options to help you choose the perfect solution.
Each pick highlights key features and real-world applications to guide your decision. Prices and availability may vary, so check the latest offers before purchasing your next batch of smart cards for secure access solutions.
Top 3 Picks for Best Blank Rewritable Rfid Cards
LEXI 20pcs Rewritable UID Smart Card
4.2Editor score
13.56MHz frequency operation
Over 100000 rewrite cycles
Compatible with MIFARE Classic
30 Pack NTAG Ultralight EV1 Cards
4.1Editor score
48 Byte rewritable memory
10-year data retention rate
Anti-collision function built-in
Top 10 Best Blank Rewritable Rfid Cards in 2026 Compared
This side-by-side comparison highlights the key specifications and capabilities of all ten selected blank rewritable RFID cards to help you identify the best fit for your specific access control or programming needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
LEXI 20pcs Rewritable UID Smart Card
Frequency 13.56MHz
Chip MIFARE 1K
Rewrite 100000 times
Size Standard CR80
4.2Editor score
Editor's Choice
30 Pack NTAG Ultralight EV1 Cards
Frequency 13.56MHz
Chip NTAG EV1
Memory 48 Bytes
Range 100mm max
4.1Editor score
Best Budget
YARONGTECH 125khz T5577 Cards
Frequency 125kHz
Chip T5577
Format ID WG
Material Printable PVC
4.5Editor score
12 Pack 125khz T5577 Cards
Frequency 125kHz
Chip T5577
Thickness 0.8mm
Punch hole available
4.5Editor score
10Pcs T5577 Writable RFID Cards
Frequency 125kHz
Chip T5577
Thickness 1.8mm
Waterproof PVC material
5.0Editor score
100 Pack 125khz T5577 Cards
Frequency 125kHz
Chip T5577
Size Standard CR80
Bulk packaging option
4.5Editor score
JASAG 100pcs Premium Rewritable UID
Frequency 13.56MHz
Chip MIFARE 1K
UID Changeable
High durability design
4.6Editor score
80 Pcs MIFARE Classic 1K Cards
Frequency 13.56MHz
Chip Fudan FM11RF08
Sector 0 Locked
Professional security keys
4.7Editor score
5 Pack T5577 125kHz Cards
Frequency 125kHz
Chip T5577
Blank design
Easy testing option
12 PCS T5577 Thick Smart Cards
Frequency 125kHz
Chip T5577
Thickness 1.8mm
Weigand format support
4.7Editor score
1. LEXI 20pcs – Best Overall Blank Rewritable Rfid Cards
LEXI 20pcs Rewritable UID Smart Card
13.56MHz frequency
MIFARE 1K S50
Over 100000 writes
Block 0 rewriteable
This pack of twenty cards delivers robust performance for professional access control environments. Rated 4.2 stars, it balances cost with reliable MIFARE Classic 1K compatibility. Its standout quality is the ability to rewrite Sector 0 without specialized hardware, making it versatile for various locking mechanisms.
Pros
- High rewrite cycle count
- Compatible with many systems
- Unique encrypted ID number
- Reliable reading distance
- Standard CR80 size
Cons
- Limited to 13.56MHz
- No NFC smartphone support
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The cards operate at 13.56MHz with a 0 to 10cm reading distance. They support over 100,000 rewrite cycles ensuring long-term utility. Each card has a unique encrypted ID that can be reprogrammed. This flexibility is crucial for businesses managing frequent employee changes or temporary access needs.
While durable, the PVC material may scratch with rough handling. Additionally, they work best with specific readers rather than universal NFC phones. These trade-offs are acceptable given the focus on secure door access control systems where reliability is paramount over general smartphone interaction.
Ideal for office managers or facility admins needing scalable door access solutions. If you require a card that adapts to MIFARE systems with high rewrite endurance, this is a strong recommendation. Check compatibility with your existing readers before buying to ensure seamless integration.
High Rewrite Endurance
With over 100,000 rewrite cycles, these cards withstand heavy usage in busy access points.
Block 0 Flexibility
The ability to rewrite Block 0 allows for complete UID customization without factory restrictions.
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2. 30 Pack NTAG Ultralight EV1 – Premium NFC Data Retention
30 Pack NTAG Ultralight EV1 Cards
48 Bytes user memory
ISO/IEC 14443-3
100,000 write cycles
10-year data retention
These NFC cards offer premium security features ideal for event tickets and visitor passes. Rated 4.1 stars, they combine 48 bytes of rewritable memory with a robust 10-year data retention rate. The EV1 chip ensures high reliability for applications requiring persistent data storage.
Pros
- Long data retention period
- Anti-collision function
- Durable waterproof material
- Multiple security mechanisms
- Standard credit card size
Cons
- Requires specific setup steps
- Not for direct inkjet print
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Designed with contactless energy supply and anti-collision capabilities, multiple cards can be read simultaneously. They support thermal sublimation printing for custom branding. Built-in security mechanisms like OTP and CRC checks prevent data loss and unauthorized access ensuring secure information handling.
Setup requires using NFC Tools to unlock the chip before standard programming. Also, they cannot be printed by ordinary household inkjet printers. These requirements are minor trade-offs for the superior data integrity and professional finish they offer for branded events.
Perfect for event organizers or campus admins needing secure, reusable admission tickets. If you value long-term data security and professional customization, these EV1 cards are an excellent choice. Ensure your readers support NTAG EV1 standards for optimal performance.
Secure Data Storage
Security features like OTP and CRC checks ensure your stored data remains safe and accurate.
Professional Customization
The matte white surface supports thermal sublimation for custom logos and text.
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3. YARONGTECH 125khz – Best Budget T5577 Option
YARONGTECH 125khz T5577 Cards
125kHz frequency
T5577/T5557 chip
Supports ID and H-ID
Zebra printer compatible
This pack offers a cost-effective solution for hotel key cards and low-frequency access systems. Rated 4.5 stars, it features original T5577 chips that allow writing custom IDs. Its blank white surface is compatible with standard card printers like Zebra for customized branding.
Pros
- Rewritable without pre-programming
- High rating for reliability
- Compatible with hotel systems
- Supports multiple formats
- Blank white for printing
Cons
- Low frequency only
- Requires writer for data
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The cards support both 125kHz ID format and H-ID WG format providing flexibility for various readers. Unlike pre-programmed tags, these chips are completely blank until written. This allows you to manage access credentials internally without relying on factory presets.
They cannot be read before programming which may confuse novice users. Also they are strictly low-frequency and won't work with modern NFC phones. For dedicated 125kHz access control, these limitations are acceptable and do not impact daily operational efficiency.
Best for small businesses seeking affordable, programmable key card replacements. If you need to duplicate existing hotel tags or create basic visitor passes, these cards are reliable. Confirm your system uses T5577 formats before purchasing for seamless compatibility.
Flexible Format Support
Supports both ID and H-ID WG formats making it versatile for different 125kHz readers.
Blank White Surface
Comes blank to allow custom printing for branding or personalized identifiers.
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4. 12 Pack 125khz – Best Value T5577 Pack
12 Pack 125khz T5577 Cards
0.8mm card thickness
T5577 proximity chip
CR80 standard size
Punch hole included
A versatile pack offering thin 0.8mm cards ideal for ID badges or lanyard use. Rated 4.5 stars, these T5577 cards support multiple proximity formats including EM4100 and TK4100. Their thin profile ensures they fit comfortably in badge holders or wallets.
Pros
- Thin and lightweight design
- Multiple T-chip variants
- Durable new PVC material
- Supports TK4100 tags
- Lanyard hole available
Cons
- Must be programmed first
- Basic plastic construction
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The cards are made from new PVC material ensuring resistance to wear and tear. They include lanyard punch holes on both sides for easy attachment. This convenience is helpful for employees needing to display IDs visibly at secure checkpoints.
Users must use a 125kHz writer to load data before the cards function. Without proper programming they remain inactive. This requirement ensures security but adds a setup step. It is a standard process for most proximity cloning tasks.
Great for staff ID programs or asset tracking where physical durability matters. If you need cards that can be attached to lanyards, these are a practical choice. Ensure you have a compatible writer to program them before distribution.
Thin Profile
At 0.8mm thick, these cards are lightweight and easy to carry daily.
Lanyard Ready
Built-in punch holes make attaching to lanyards simple for employee badges.
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5. 10Pcs T5577 – Best Small Pack Option
10Pcs T5577 Writable RFID Cards
1.8mm thick design
125kHz blank cards
H10301 format compatible
White PVC material
This five-pack achieves a perfect 5.0 rating for its reliability in specific 125kHz systems. Rated highly by users, these cards are designed for formats like H10301 and 1386. Their thicker 1.8mm design adds robustness for frequent hotel key applications.
Pros
- Perfect 5.0 rating
- Waterproof and durable
- Supports specific formats
- Easy to carry size
- Good for testing
Cons
- Small quantity pack
- Requires 125kHz writer
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They are made of waterproof white PVC ensuring longevity in varied environments. The thickness makes them easier to handle and insert into readers. This practical design is beneficial for guests or staff who might struggle with very thin plastic.
The small quantity means less bulk if you only need a few replacements. However it requires separate purchasing for larger teams. This trade-off is acceptable for individual needs or small setups needing quick spare access credentials.
Ideal for replacing lost hotel keys or testing specific reader formats. If you need a small, reliable batch for immediate use, these are highly recommended. Verify your reader supports H10301 or similar formats to ensure compatibility.
Perfect User Rating
Achieved a 5.0 rating indicating high satisfaction among buyers for reliability.
Thick Design
1.8mm thickness provides durability and ease of handling.
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6. 100 Pack 125khz – Best Bulk Option
100 Pack 125khz T5577 Cards
100 quantity pack
125kHz T5577 chip
CR80 standard size
Punch hole included
For large organizations, this 100-pack provides excellent value for scalable access control. Rated 4.5 stars, it offers the standard T5577 chip compatible with many ID systems. The bulk format reduces the need for frequent reordering of small batches.
Pros
- Cost-effective bulk pricing
- Standard CR80 size
- Supports multiple formats
- Lanyard punch available
- Good for enterprises
Cons
- High initial volume
- Basic card material
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The cards feature lanyard holes and standard dimensions ensuring fit in common badge holders. They support 26-bit Prox formats allowing compatibility with various industrial readers. This versatility makes them suitable for time attendance and asset tracking.
Storing 100 cards requires organized management to prevent loss. Also they are basic PVC which may wear faster than premium options. These factors are manageable for offices with proper storage systems in place for daily operations.
Best for schools or offices needing many employee access cards. If you require high volume replacements, this bulk pack is efficient. Ensure you have a bulk programming tool to handle the quantity effectively before distribution.
Bulk Efficiency
Purchasing 100 cards ensures you have spares for all staff members.
Standard Fit
CR80 size ensures they work with standard card holders and printers.
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7. JASAG 100pcs – Best MIFARE Bulk Pack
JASAG 100pcs Premium Rewritable UID
13.56MHz frequency
MIFARE 1K S50
UID changeable
Rewrite 100000 times
This 100-pack is a top choice for high-frequency MIFARE access control systems. Rated 4.6 stars, it supports cloning and reprogramming with over 100,000 rewrite cycles. Each card features a unique encrypted ID that can be reprogrammed for diverse security needs.
Pros
- High 4.6 rating
- Compatible with M1 locks
- Over 100000 writes
- Unique encrypted ID
- Bulk pack quantity
Cons
- Not for 125kHz systems
- Requires compatible writers
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The PVC material is durable and designed for frequent use in access points. They conform to ISO/IEC 14443A protocols ensuring broad compatibility with standard readers. This compliance guarantees stable performance across different security hardware.
Users need a 13.56MHz writer to utilize these cards effectively. Without the correct writer data transfer will fail. This requirement is standard for MIFARE systems and ensures secure credential management without risk of unauthorized data copying.
Ideal for businesses needing bulk replacements for existing M1 access systems. If you operate on MIFARE technology, this pack offers a balance of quality and quantity. Verify your lock type before purchase to ensure seamless credential management.
High Rewrite Capacity
Over 100,000 rewrite cycles make these cards suitable for high-frequency use.
Secure ID Reprogramming
Unique encrypted IDs can be reprogrammed to maintain secure access protocols.
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8. 80 Pcs MIFARE Classic 1K – Best Secure Lock Pack
80 Pcs MIFARE Classic 1K Cards
Block 0 Locked UID
13.56MHz protocol
Fudan FM11RF08 chip
Non-rewritable UID
This bulk pack of eighty cards offers robust security for commercial access environments. Rated 4.7 stars, it uses Fudan FM11RF08 chips with factory-locked UIDs to prevent unauthorized cloning. This ensures that card identity remains consistent across all systems.
Pros
- High 4.7 rating
- Industry standard security
- Multiple access keys
- Supports e-wallet data
- Durable PVC material
Cons
- Fixed UID cannot change
- Requires default access keys
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The cards support dual access keys allowing complex permission management. They also support e-wallet data blocks for stored-value applications. This capability makes them ideal for systems combining access with parking or vending payment functions.
The fixed UID prevents easy duplication but limits flexibility for custom branding. Users must rely on standard keys for initial setup. This trade-off is acceptable for businesses prioritizing secure, reliable access over personalized ID features.
Perfect for offices or hotels requiring secure, stable access cards. If you need standard industry compliance without UID modification, these are reliable. Ensure your system supports MIFARE Classic 1K for full functionality.
Locked UID Security
Factory-locked UIDs prevent cloning and maintain access integrity.
E-Wallet Support
Supports stored-value blocks for combined access and payment applications.
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9. 5 Pack T5577 – Best for Testing
5 Pack T5577 125kHz Cards
T5577 chip
125kHz frequency
Blank design
Personal ID use
A compact pack ideal for testing systems or replacing a few lost tags. These blank cards allow custom programming for personal or business systems. Their affordability makes them great for small businesses managing asset tracking without large stock.
Pros
- Affordable small pack
- Blank for testing
- Compatible with writers
- Easy to program
- Good for assets
Cons
- N/A rating
- Must write before use
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They operate at 125kHz ensuring compatibility with common readers. The blank design ensures you can load exactly the credentials you need. This flexibility supports unique access codes or custom data for internal systems.
The lack of a rating means user feedback is limited. Also they require manual programming before any function is possible. These points are minor for testers or small users who manage their own RFID setup.
Best for developers testing readers or businesses needing quick replacements. If you need a small number of cards to verify access, this pack works well. Always use authorized systems and secure credentials during testing.
Testing Utility
Ideal for verifying reader compatibility before purchasing bulk batches.
Blank Flexibility
Comes blank to allow full customization for specific system needs.
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10. 12 PCS T5577 Thick – Best Thick Design
12 PCS T5577 Thick Smart Cards
1.8mm thick design
Weigand Prox support
1386 format support
100,000 writes
This pack features thicker 1.8mm cards designed for durability and specific industrial readers. Rated 4.7 stars, they support Weigand Prox formats like 1386 and 1326. The extra thickness ensures easy handling even for users with limited dexterity.
Pros
- Very thick durable design
- Weigand format support
- High user rating
- Good for specific systems
- Erasable chip
Cons
- Not for ONITY systems
- Not NFC compatible
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The chip supports over 100,000 erase and write cycles. This longevity makes them suitable for high-use environments like hotels or large offices. They are made from PVC to ensure resistance against frequent insertion.
They do not work with ONITY locks or NFC phones limiting specific use cases. Users must ensure their system is compatible with T5577 standards. This limitation is acceptable for dedicated proximity access applications.
Perfect for keyless entry systems requiring robust cards. If you need cards that withstand heavy handling, this thick design is ideal. Confirm your lock supports 125kHz T5577 formats before purchasing for best results.
Weigand Support
Compatible with 1386 and 1326 formats ensuring broad industrial reader support.
Thick Durability
1.8mm thickness provides extra strength for frequent physical use.
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Buying Guide – How to Choose the Best Blank Rewritable Rfid Cards
Selecting the right blank rewritable RFID cards requires understanding your system requirements and desired features. This guide breaks down key factors to help you make an informed purchase for secure and reliable access.
Frequency Compatibility
The frequency determines which readers can communicate with the card. 125kHz cards work with proximity readers while 13.56MHz cards work with MIFARE or NFC systems. Always verify your reader's supported frequency before purchasing to ensure proper functionality.
Check your system documentation for the exact frequency it requires to avoid buying incompatible cards.
Chip Type
Chip types like T5577 or MIFARE Classic 1K dictate how data is stored and rewritten. T5577 is flexible for low-frequency cloning while MIFARE offers higher security for door access. Choose based on whether you need basic proximity or secure authentication.
Match the chip type to your existing system protocols for seamless data reading.
Rewrite Cycles
Higher rewrite cycles mean the card can be reprogrammed more often without failure. Premium cards often support 100,000 or more cycles. For high-traffic areas or frequent credential updates, prioritize cards with high rewrite endurance.
Look for products specifying high rewrite limits to ensure long-term usability.
Memory Size
Memory size affects how much data you can store on the card. Some cards offer 48 bytes while others offer 1K bytes. If you need to store personal data beyond simple IDs consider cards with larger memory capacity.
Select memory size based on the complexity of your credential requirements.
Durability
Card durability ensures they withstand daily handling and environmental factors. Waterproof and scratch-resistant PVC materials are common. For outdoor use or harsh conditions, verify that the card material meets durability standards.
Choose durable materials like reinforced PVC for extended physical lifespan.
Printability
Some cards support thermal printing for custom logos while others require direct thermal printers. If branding is important ensure the card surface is uncoated and compatible with your printer type. This adds a professional touch to visitor passes.
Verify printer compatibility if you plan to customize card graphics.
Pack Size
Bulk packs offer better value for large teams while small packs suit testing or limited needs. Consider how many cards you need immediately versus potential future needs. Buying in bulk can reduce per-unit costs significantly.
Assess your current needs to decide between small or large quantity packs.
Security Features
Advanced features like locked UIDs or password protection enhance security. For secure buildings look for cards with built-in encryption or sector locking. These features prevent unauthorized cloning and maintain access integrity.
Prioritize security features based on your building's access risk level.
How to Use and Care for Your Blank Rewritable Rfid Cards
First prepare your blank cards by programming them with a compatible RFID writer. Most cards require data to be written before they can interact with readers. Ensure your writer supports the chip's frequency and format for successful data transfer.
Second handle cards carefully to avoid physical damage like bending or scratching. Avoid placing cards near extreme heat or strong magnets which can erase data. Use sleeves to protect printed surfaces from wear and tear during daily transport.
Third store unused cards in a cool dry place away from direct sunlight. Proper storage prevents material degradation and data loss over time. Keep them organized to prevent loss especially when managing multiple access credentials.
Frequently Asked Questions
Can I use these cards with my smartphone?
Most low-frequency 125kHz cards do not work with smartphones. High-frequency 13.56MHz cards often support NFC on Android but not iPhones. Check if your phone supports the specific chip type before relying on mobile access.
Do I need special software to write the cards?
Yes you typically need an RFID writer and compatible software to load data. Some cards work with universal tools while others require specific apps. Ensure your software supports the card's chip model for accurate programming.
How do I know if my lock is compatible?
Check your lock manual for supported frequencies and chip types. If unsure contact the manufacturer or test with a known working card. Compatibility ensures the card will read correctly without issues.
Are these cards legal to duplicate?
These cards are legal for personal authorized systems. You must have permission to duplicate existing access cards. Unauthorized duplication may violate local laws or property regulations so proceed responsibly.
What happens if I scratch the card surface?
Minor scratches may affect readability if they cover the antenna coil. Deep scratches could damage internal components. If a card fails to read replace it with a new one to maintain access.
Can I write custom data like URLs?
Yes cards with sufficient memory support custom data like URLs. NFC cards often allow this feature for mobile shortcuts. Verify memory size and software support before programming custom content.
Final Thoughts on Choosing the Best Blank Rewritable Rfid Cards
In conclusion these ten options provide a comprehensive range of solutions for various access needs. The LEXI 20pcs offers high rewrite performance while the T5577 packs deliver cost-effective bulk flexibility. Each product brings unique strengths depending on your specific system.
When choosing prioritize frequency and chip type to ensure seamless integration. Durability and security features should also guide your final decision for high-traffic environments. Focus on what matters most for your specific application.
Remember to check current availability and specifications before ordering. Prices and stock levels may change but the right card will secure your access points effectively. Select wisely to enjoy reliable and long-lasting access solutions.