Western Digital Blue SN550 500Gb SSD detailed specs

Posted on November 07, 2022 by Raymond Chen

Western Digital's Blue SN550 NVMe SSD use PCIe M.2 3.0 x 4. Read below about this NVMe SSD in our article.

Western Digital Blue SN550 500Gb SSD detailed specs

Western Digital's 500Gb Blue SN550 works on SanDisk 20-82-01008-A1 controller. The Blue SN550 comes equipped with SanDisk 3D TLC memory. SSD besides, available in 250 Gb and 1 Tb capacities.

Performance and benchmarks

SSD works on PCIe M.2 3.0 x 4 interface with read speeds 2400 Mbps, and maximum write speeds 1950 MB/s. It also has IOPS 410000 on reading and 405000 on writing operations per second.

Endurance and warranty

Manufacturer provide 5 years of warranty limited by endurance 600 TBW.

Specs

Category Value
Capacity 500 Gb
Interface M.2 3.0 x 4
Controller SanDisk 20-82-01008-A1
Memory type SanDisk 3D TLC
DRAM n/a
Read speed (Mb/s) 2400
Write speed (Mb/s) 1950
Read IOPS 410000
Write IOPS 405000
Endurance (TBW) 600
MTBF (million hours) n/a
Warranty (years) 5

Conclusion

Western Digital Blue SN550 500Gb may work on PCIe 3 that is twice slower than PCIe Gen4. The maximum write speed is 1950 Mb/s, that is slower than has most of competitors. The Internal SSD can write 600 TBW, that is pretty good compared to nearest competitors. Overall, Western Digital Blue SN550 500Gb has more minuses and our site strongly do not recommend to spend money for it.

+ Pros

  • Endurance

- Cons

  • Slow writing speed
  • PCIe 3.0
  • Capacity

Buy this or similar SSD:

Video Review

WD Blue SN550 NVMe m.2 SSD Review: BEST budget SSD!

FAQ

The Western Digital Blue SN550 has no DRAM in their controller or data about it is unknown. DRAM in their controller help to increase endurance and input/output performance.

The Western Digital Blue SN550 500Gb due to the low density of memory chips may work without further heat sinks. Some motherboards designed with thermal pads below and above the drive for better productivity during high loads.

The Blue SN550 500Gb has maximum write speed 1950 Mb/s, sequential read speed 2400 Mb/s. SSD operate on SanDisk 20-82-01008-A1 controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The NAND flash memory type is SanDisk 3D TLC.
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