Lexar NM620 1Tb NVMe technical specs

Posted on November 07, 2022 by Raymond Chen

Lexar's NM620 NVMe use PCIe M.2 3.0 x 4 expansion standard. Read below about this NVMe SSD here.

Lexar NM620 1Tb NVMe technical specs

Lexar's 1Tb NM620 is powered by Lexar DM620. The NM620 comes equipped with 3D TLC memory. This drive besides, available in 512 Gb and 256 Gb capacities.

Performance and benchmarks

Lexar NM620 use PCIe M.2 3.0 x 4 expansion standard with maximum read speeds 3300 Mbps, and write speeds equals to 3000 Mbps. It also has IOPS 256000 on writing and 300000 on reading operations per second.

Endurance and warranty

Manufacturer give 5-year warranty limited by 83 TBW. As well it has 1.5 million hours mean time between failure.

Specs

Category Value
Capacity 1 Tb
Interface M.2 3.0 x 4
Controller Lexar DM620
Memory type 3D TLC
DRAM n/a
Read speed (Mb/s) 3300
Write speed (Mb/s) 3000
Read IOPS 300000
Write IOPS 256000
Endurance (TBW) 83
MTBF (million hours) 1.5
Warranty (years) 5

Conclusion

Lexar NM620 1Tb may work on PCIe 3 that is significantly slower than PCIe Gen4. The sequential write speed is 3000 Mbps, that is pretty good for this expansion standard. The Internal SSD provide possibility to write 83 TBW, that is poor compared to rivals. When everything is weighed in the balance, Lexar NM620 1Tb is a well-rounded NVMe SSD.

+ Pros

  • Good writing speed
  • Capacity

- Cons

  • PCIe 3.0
  • Writing speed

Buy this or similar SSD:

Video Review

Lexar NM620 M 2 2280 PCIe Gen3x4 NVMe SSD introduced by Squirrel Mark

FAQ

The NM620 1Tb has no Dynamic Random-Access Memory or data about it is unknown. Dynamic random-access memory (DRAM) makes SSD faster, but also more expensive.

The NM620 1Tb due to the low density of memory chips able to work with no further heat sinks. Some laptops or motherboards already has additional cooling below and above the storage for better performance during times of high loads.

The Lexar NM620 has maximum write speed 3000 Mb/s, sequential read speed 3300 Mb/s. It works on Lexar DM620 controller and M.2 3.0 x 4 interface standard. The NAND flash memory type is 3D TLC.
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