Netac Internal SSD 2TB 1TB 550mb/s 2.5inch SATAIII NVMe M. 2 PCIe4.0 Gen 4×4 Solid State Drive 4800MB/s with Heatsink. Product Details Brand: Netac Interface(s): PCIe Gen 4 x4 Form Factor: M. 2 2280 Storage Capacity: 500GB / 1TB / 2TB Color Category: Black and Silver Storage Drive Type: SSD Internal Or External: Internal Max Sequential Read Speed: 4800 megabytes per second Max Sequential Write Speed. 2700 megabytes per second NAND Flash Memory Type: TLC TBW: 320-640 MTBF: 2000000 Hours Data Encryption: Support Encryption Algorithm: 256-bit AES Intel Host Memory Buffer(HMB): Support. (Not applicable to laptops). Product capacity:250GB / 500GB / 1TB / 2TB. Interface: SATA III 6Gb/s. Compatible with SATA 3.0 devices. Backwards compatibility with SATA 2.0 devices. Form factors: 2.5 inch. Read Speed: Up to 550MB/s. Write Speed: Up to 500MB/s. Storage temperature: -40 ° C-85 ° C. Voltage Ambient humidity (non-condensing): 5% -95%. Operating temperature: 0-70 ° C. TRIM: Support (Requires system support) S. M. A. R. TZ: Support Voltage: 5V. Oiseless, Heatless, Energy Efficiency, 10x faster than a hard drive, Faster load times in games. Notice : One Gigabyte (1GB) means 10^9 = 1,000,000,000 bytes using powers of 10. A computer operating system, however, reports storage capacity using powers of 2 for the definition of 1GB= 2^30 = 1,073,741,824 bytes and therefore shows less storage capacity, about 90%.