Description features: 1. Fast Transmission Speed, Startup Time Of A Few Seconds 2. The Ssd Storage Stack Can Make Full Use Of The Memory Erasing Function To Extend The Service Life And Reduce The Risk Of Damage. 3. Shockproof, Durable And Extremely Reliable Solid State Drives Represent The Absolute Best Quality In This Field. 4. 7mm Plastic Shell, Easy To Install In Desktop Laptop. 5. With High Read And Write Speed. Up To 540mb/sec (performance Varies With Different Device Configurations) 6. Before Using It, Right-click "my Computer-management-device Manager-cd Drive", And Then You Can Find Our Ssd. Format And Partition. product Parameter: name: 2.5 Inch Desktop Solid State Drive colour:green/red/blue transmission Read And Write Speed: 300-540mb/sec size: 100*70*7mm about Capacity: 1tb=about 880gb-980gb 2tb=about 1760gb-1960gb 4tb=about 3650gb-3940gb kind Tips: About Speed: Different Test Software Will Have Different Speeds, And The Speed Will Be Affected By Many Different Factors, Our Data Is For Reference Only About The Place Of Production: China, South Korea, The Philippines!