--- product_id: 118192688 title: "SLE4428 ISO7816 Contact with 1024 Byte EEPROM White Smart Chip Card 10PCS by XCRFID" brand: "xcrfid" price: "£10.56" currency: GBP in_stock: true reviews_count: 3 category: "Xcrfid" url: https://www.desertcart.co.uk/products/118192688-sle4428-iso7816-contact-with-1024-byte-eeprom-white-smart-chip store_origin: GB region: United Kingdom --- # 1024 Bytes EEPROM Storage 3-Byte Secret Code Protection ISO7816 Standard Compliant SLE4428 ISO7816 Contact with 1024 Byte EEPROM White Smart Chip Card 10PCS by XCRFID **Brand:** xcrfid **Price:** £10.56 **Availability:** ✅ In Stock ## Summary > 💳 Elevate your access game with smart security that lasts a decade! ## Quick Answers - **What is this?** SLE4428 ISO7816 Contact with 1024 Byte EEPROM White Smart Chip Card 10PCS by XCRFID by xcrfid - **How much does it cost?** £10.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/118192688-sle4428-iso7816-contact-with-1024-byte-eeprom-white-smart-chip) ## Best For - xcrfid enthusiasts ## Why This Product - Trusted xcrfid brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Compatibility:** Works flawlessly with all major contact smart card readers like ACS ACR39 & ACR38U. - • **Long-Term Data Retention:** Reliable data preservation for up to 10 years, perfect for critical ID and membership uses. - • **Robust 1KB Memory Capacity:** Store extensive user data securely with 1024 bytes of EEPROM. - • **Unmatched Security Protocols:** 3-byte secret code ensures write protection and data integrity. - • **Durable & Standardized Design:** CR80 size (85mm x 54mm) PVC cards built to last in professional environments. ## Overview The SLE4428 ISO7816 contact smart card by XCRFID features a 1024-byte EEPROM memory with advanced 3-byte secret code write protection, ensuring secure and reliable data storage. Designed to meet international CR80 standards, these durable PVC cards are compatible with leading contact smart card readers and offer up to 10 years of data retention, making them ideal for office badges, membership cards, and secure identification. ## Description Technical Details: The main features of the SLE4428 are: Synchronous communication protocol, ISO 7816 compatible EEPROM size is 1,024 bytes split into the following areas: 25 bytes for card manufacturer data 2 bytes for card issuer reference 4 bytes for card identification data 990 bytes for main user data 3 bytes for error counter and card secret code area - Access to the memory is protected by a 3 byte secret code for data write only - Free Read of Data (except PIN) - Answer to reset according to ISO 7816/3 standard - Data retention is up to 10 years - Non reversible byte-wise write protection of lowest 32 addresses (byte 0 ?31) - 20 degree Celsius - 50 degree Celsius operating range Package include 10pcs SLE4428 chip card Review: Works great - Works great Review: Son de muy buena calidad ## Features - SLE4428 Big Chip EEPROM 1024 bytes with ISO7816 Standard - Support all Contact Smart Card Reader Writer : ACS ACR39 ,ACR38U - Premium QUALITY :XCRFID PVC Cards are standard (High Standard) in Office Badges, Membership Cards, Gift Cards, and Student ID’s - Use With Your ID Badge Printer - International standard : 85mm*54mm( CR80 30mil )Sturdy and Economical - SLE4428 Chips are blank , no data . Please notice that ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07514V49V | | Best Sellers Rank | #159,759 in Office Products ( See Top 100 in Office Products ) #394 in Identification Badges | | Brand | XCRFID | | Compatible Devices | Contact Smart Card Readers | | Customer Reviews | 4.1 4.1 out of 5 stars (14) | | EU Spare Part Availability Duration | 10 Years | | Hardware Interface | Serial Interface | | Item Dimensions L x W x H | 3.35"L x 2.13"W x 2.13"H | | Manufacturer | XCRFID | | Model Number | XC27 | | Operating System | Windows, macOS, Linux | | Style Name | Classic | ## Product Details - **Brand:** XCRFID - **Compatible Devices:** Contact Smart Card Readers - **Hardware Interface:** Serial Interface - **Product Dimensions:** 3.35"L x 2.13"W x 2.13"H - **Style:** Classic ## Images ![SLE4428 ISO7816 Contact with 1024 Byte EEPROM White Smart Chip Card 10PCS by XCRFID - Image 1](https://m.media-amazon.com/images/I/41rLImem4XL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great *by D***L on August 10, 2025* Works great ### ⭐⭐ Review *by N***E on November 2, 2025* Son de muy buena calidad ### ⭐ Will not print with Zebra ZXP Series 3 *by K***M on April 11, 2024* There is a slight bump from the chip on the blank side causing a massive vertical smear across the entire card. ## Frequently Bought Together - SLE4428 ISO7816 Contact with 1024 Byte EEPROM White Smart Chip Card 10PCS by XCRFID - Taglio PIVKey C910 Certificate Based PKI Smart Card for Authentication and Identification, Dual Interface Contact/Contactless Smart Card, Supports Windows PIV Drivers, Standard ISO. - AT24C64 Chip Smart IC Card with 64K EEPROM Memory ISO 7816 White Printable PVC Card For Access Control System 10pcs By XCRFID --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/118192688-sle4428-iso7816-contact-with-1024-byte-eeprom-white-smart-chip](https://www.desertcart.co.uk/products/118192688-sle4428-iso7816-contact-with-1024-byte-eeprom-white-smart-chip) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-03*