Best Read write

Samsung X5 Portable SSD - 500GB - Thunderbolt 3 External SSD MU-PB500B/AM Gray/Red

THUNDERBOLT 3 AND NVMe POWER: First ever NVMe-based portable SSD from Samsung featuring Thunderbolt 3 technology, the X5 delivers up to 40Gb/s data....
LIGHTNING FAST READ WRITE SPEEDS: Sequential read and write performance levels of up to 2,800 MB/sec seq. read and 2,100 MB/sec seq. write.
DURABLE DESIGN: Full metal body with glossy top and non-slip bottom mat withstands drops of up to 2 meters.
Shock resistant internal design features....
SECURE ENCRYPTION: Optional password protection and AES 256-bit hardware encryption keeps your personal and private data more secure.
Only compatible with Macs and Windows PCs with Thunderbolt 3 ports, Mac OS X Sierra, High Sierra (10.12 or higher) Windows 10 64bit RS 2 or higher.....

Original T5577 Chip,it doesn't have pre-programmed id number,so need to write the id on it before you read.
it's rewritable chip,and it can write in 125khz id format and H ID WG 125khz format.
Please note it can't be read before you program the chip.

Optical drive type: DVDR/RW, interface: USB 2.0, optical disc diameter: 80.120 mm.
CD write speed: 24x, CD rewrite speed: 16x, DVD+R write speed: 8x.
CD read speed: 24x, DVD+R read speed: 8x, DVD R read speed: 8x, DVD drive average random access time: 160 ms and CD ROM drive average random access time: 140 ms.

The complete learn-to-read-and-write solution—sounds out words, guides letter strokes and helps build comprehension! See the details of your child’s play and learning with the LeapFrog Learning Path. Plus, receive tips from educators!.
Includes LeapReader reading and writing system, Sampler Activity Book, Learning Paper Writing Sheet, USB Cable, and Quick Start Guide..
Touch pages or words to hear them read aloud, sound out words, and play games that build vocabulary and comprehension at every reading stage. Get stroke-by-stroke guidance—trace letters, numbers, words and more on special paper for mess-free writing..
Foster listening and comprehension skills with downloadable audio books, music albums and more! Lively character voices, fun sound effects and activities help strengthen comprehension and school readiness skills.Requires 500 MB free disk space.
Explore 150+ interactive books and writing activities, audio books, music and more every reading level. Enjoy uninterrupted play! LeapReader is USB rechargeable—no batteries required. Pentium 4 or equivalent (2 GHz processor or faster recommended), Windows XP, Windows Vista, Windows 7, or Windows 8 operating system with latest service pack.

High-grade unique portable design, makes it look elegant when put it anywhere..
Multifunctions: Read, Write / Rewrite, Erase, Copy, Compare, Write from file, Read to file, Setup and Change Password..
System Supports: Windows 98/2000/me/xp/vista7/8/10(32&64).
LED lights indicate its working status. Automatically double check function when you're writing data..
Safety: Built-in over-voltage, over-current, leakage, short circuit and anti-interference protection module..

IDEAL FOR RECORDING 4K UHD VIDEO: Samsung microSD EVO Plus is perfect for high res photos, gaming, music, tablets, laptops, action cameras, DSLR's,....
ULTRA FAST READ WRITE SPEEDS: Fast Read Write Speeds: Up to 100MB/S Read and 90MB/S Write Speeds.
UHS I Speed Class U3 and Speed Class 10 (Performance....
BUILT TO LAST RELIABILITY: to Last Reliability: Memory Card Is Also Water Proof, Temperature Proof, X Ray Proof and Magnetic Proof.
EXTENDED COMPATIBILITY: Compatibility: Includes Full Size Adapter for Use in Cameras, Laptops and Desktop Computers 10 Year Limited Warranty: 10 Year....
10-YEAR LIMITED WARRANTY: Limited Warranty: 10 Year Limited Warranty Does Not Extend to Dashcam , CCTV, Surveillance Camera and Other Write Intensive....

INNOVATIVE V NAND TECHNOLOGY: Powered by Samsung V NAND Technology, the 970 EVO SSD’s NVMe interface (PCIe M.2 2280) offers enhanced bandwidth, low latency, and power efficiency ideal for tech enthusiasts, high end gamers, and 4K & 3D content designers.
BREAKTHROUGH READ WRITE SPEEDS: Sequential read and write performance levels of up to 3,500MB/s and 2,500MB/s, respectively.
Random Read (4KB, QD32): Up to 500,000 IOPS Random Read.
PERFORMANCE OPTIMIZATION AND DATA SECURITY: Seamless cloning and file transfers with Samsung Magician Software, the ideal SSD management solution for performance optimization and data security with automatic firmware updates.
SUPERIOR HEAT DISSIPATION: Samsung’s Dynamic Thermal Guard automatically monitors and maintains optimal operating temperatures to minimize performance drops. Secure Encryption.
5-YEAR LIMITED WARRANTY: 5-year limited warranty or 600 TBW (Terabytes Written).

INNOVATIVE V NAND TECHNOLOGY: Powered by Samsung V NAND Technology, the 970 EVO SSD’s NVMe interface (PCIe M.2 2280) offers enhanced bandwidth, low latency, and power efficiency ideal for tech enthusiasts, high end gamers, and 4K & 3D content designers.
BREAKTHROUGH READ WRITE SPEEDS: Sequential read and write performance levels of up to 3,500MB/s and 2,500MB/s, respectively.
Random Read (4KB, QD32): Up to 500,000 IOPS Random Read.
PERFORMANCE OPTIMIZATION AND DATA SECURITY: Seamless cloning and file transfers with Samsung Magician Software, the ideal SSD management solution for performance optimization and data security with automatic firmware updates.
SUPERIOR HEAT DISSIPATION: Samsung’s Dynamic Thermal Guard automatically monitors and maintains optimal operating temperatures to minimize performance drops. Secure Encryption.
5-YEAR LIMITED WARRANTY: 5-year limited warranty or 600 TBW (Terabytes Written).

It offers superior CD/DVD read/write to provide stable disc burning, media playback and software installation..
Superior DVD read/write, provide stable disc burning, media playback and software installation.