Specifications
| Model | NM620 |
|---|---|
| Capacity | 1TB |
| Form factor | M.2 2280 |
| Interface | PCIe Gen 3 x4 NVMe |
| Flash | 3D TLC NAND |
| Error correction | LDPC |
| Rated endurance | 500TBW |
| Operating temperature | 0 to 70°C |
| Storage temperature | -40 to 85°C |
| Compatibility requirement | M.2 2280 slot supporting PCIe NVMe SSDs |
| Store warranty | 3 years |
Key Features
- 1TB capacity provides internal storage for an operating system, applications and files.
- PCIe Gen 3 x4 NVMe connectivity supports responsive everyday computing.
- M.2 2280 installation reduces the need for internal drive cabling.
- LDPC error correction supports data reliability.
- 3D TLC NAND provides a compact solid-state storage platform.
Product Information
The 1TB Lexar NM620 is an internal NVMe SSD for compatible desktop and laptop upgrades. The M.2 2280 board connects directly to a supported PCIe NVMe slot, making it a practical option for an operating-system drive or additional application and file storage. Its 3D TLC flash and LDPC error correction support routine computing and storage workloads.
Check the computer’s M.2 length, NVMe support and BIOS requirements before purchase; a SATA-only M.2 slot is not sufficient. Back up existing data before replacing or formatting a drive. Manufacturer NM620 documentation has changed between hardware revisions, so this listing omits conflicting revision-dependent peak speeds, thickness and weight.
Find out more about NVMe SSDs.
Please check our SSD Buying Guide for selecting compatible storage.



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