What memory type installed in Blue SN550 (250Gb) produced by Western Digital and extra characteristics explore here.
Western Digital's 250Gb Blue SN550 internal SSD works on SanDisk 20-82-01008-A1 controller. The Blue SN550 comes equipped with SanDisk 3D TLC memory. This drive is offered also in 1 Tb and 500 Gb capacities.
Performance and benchmarks
This NVMe use PCIe M.2 3.0 x 4 expansion standard with read speeds 2400 MB/s, and maximum write speeds 1950 MB/s. It also has IOPS 405000 on writing and 410000 on reading operations.
Endurance and warranty
Manufacturer provide 5 years warranty period limited by 600 TBW.
|Interface||M.2 3.0 x 4|
|Memory type||SanDisk 3D TLC|
|Read speed (Mb/s)||2400|
|Write speed (Mb/s)||1950|
|MTBF (million hours)||n/a|
Western Digital Blue SN550 250Gb may work on previous bus standard that is twice slower than PCIe Gen4. The write speed is 1950 Mb/s, that is slower than has most of competitors. The Internal SSD provide possibility to write 600 TBW, that is really good against competitors. When everything is weighed in the balance, Western Digital Blue SN550 250Gb has more minuses and our editor strongly do not advise to spend money for it.
- Slow writing speed
- PCIe 3.0
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WD Blue SN550 NVMe m.2 SSD Review: BEST budget SSD!