Check the listing for details. Netac 1TB 512GB 256GB M.2 2280 Internal SSD PCIe Gen3x4 NVMe Solid State Drive. Condition: New. Listed at 18.99 USD. Netac 256GB 512GB 1TB M.2 2280 PCIe Gen3x4 NVMe Internal SSD Product Highlights Netac NV2000 NVMe SSD uses a high-speed PCIe Gen3*4 interface and complies with the NVMe1.4 standard. Built with PCIe Gen3*4 technology, the sequential read and write speed can be up to 2500/2100MB/s, reducing the operating system and game/software delays.It is the best choice for your PC and laptops upgrading. NV2000 adopts a new generation of 3D NAND and supports LDPC intelligent error correction to ensure longevity and reliability. It supports Host Memory Buffer and SLC caching, so it's more efficient no matter loading applications or copying files. Product Details Brand: Netac Interface(s): PCIe Gen 3 x 4 Protocol: NVMe1.4 Form Factor: M.2 2280 Storage Capacity: 256GB / 512GB / 1TB Storage Drive Type: SSD Internal Or External: Internal Max Sequential Read Speed: 2500MB/s Max Sequential Write Speed: 1000MB/s(256GB), 1950MB/s(512GB), 2100MB/s(1TB) NAND Flash Memory Type: 3D TLC TBW: 120TB(256GB), 240TB(512GB), 480TB(1TB) MTBF: 2000000 Hours Data Encryption: Support Dimensions: M.2 2280(M Key) Intel Host Memory Buffer(HMB): Support LDPC: Support S.M.A.R.T./TRIM Command/NCQ: Support Operating Temperature: 0℃ ～70℃ Storage Temperature: -40℃ ～85℃ Size: 22 x 80 x 1.9 mm Product Compatibility: Desktop computers, Laptop computers.