The Sabrent 500GB – 2TB Rocket Nvme PCIe 4.0 M. 2 2280 Internal SSD Maximum Performance Solid State Drive With Heatsink SB-ROCKET-NVMe4-HTSK. 2TB delivers all the advantages of flash disk technology with PCIe Gen4.0 x4 interface. Based on TLC NAND Flash memory, its performance speeds can reach up to 5000 MB/s (read) and 4400 MB/s (write) when using a PCIe Gen4 motherboard. Using a PCIe Gen3 Motherboard Speeds will reach up to 3500 MB/s (read) and 3400 MB/s (write). Power consumption is much lower than traditional hard drives, making it the best embedded solution for new systems. 2TB Rocket Nvme PCIe 4.0 M. 2 2280 Internal SSD was designed using PCIe 4.0 which allows for speeds of up to 5000 MB/s (read) and 4400 MB/s (write), significantly faster than PCIe 3.0. Note: In order to take advantage of these speeds, a PCIe Gen4 motherboard is REQUIRED. Otherwise it will be at pcie gen 3 speed at max of 3500MB/s. 2 2280 Internal SSD is backward compatible with PCIe 3.0. Using a Gen 3 PCIe motherboard will enable the user to reach speeds of up to 3500 MB/s (read) and 3400 MB/s (write). When installing any NVMe PCIe 4.0 SSD directly onto a PCIe Gen4 Motherboard a Heatsink is required to dissipate the heat generated by the drives extreme speed levels to avoid thermal throttling and maximize performance. This Sabrent 2TB Rocket Nvme PCIe 4.0 M. 2 2280 Internal SSD comes with the Sabrent M. 2 2280 SSD Rocket Heatsink preinstalled. 2 PCIe Gen4 x4 Interface. Built to the PCIe 4.0 specification / NVMe 1.3 Compliant. Power Management Support for APST / ASPM / L1.2. Supports SMART and TRIM commands. Supports ONFi 2.3, ONFi 3.0, ONFi 3.2 and ONFi 4.0 interface. Advanced Wear Leveling, Bad Block Management, Error Correction Code, and Over-Provision. Preinstalled Rocket NVMe Heatsink. 500GB – 2TB Rocket Nvme PCIe 4.0 M. 2 2280 SSD with Heatsink. (Depends on the variation option).