Western Digital Offers to Replace WD Blue SN550 SSDs That Perform Worse When SLC Cache Is Exhausted

[Peter_Brosdahl]

Image: Western Digital



It was recently discovered that Western Digital had changed the NAND flash memory in its WD Blue SN550 SSDs without telling customers. Testing showed that write speeds could decrease significantly. The drive has been noted as being one of the company’s better budget SSD offerings.



WD Blue SN550 Revisions



SSDFlash MemoryFirmwareWD Blue SN550 (New Revision)002031 1T00233010WDWD Blue SN550 (Previous Revision)60523 1T00211070WDWD Green SN350060947 1T00231800WDChart: Tom’s Hardware



Western Digital has issued a statement confirming the changes and that it will offer replacements to affected users. No reason for the change was given, but it could be due to the ongoing semiconductor shortage. This is not the first time the company has made...

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[ThreeDee]

I had just bought a 512gb one of these .. but it doesn't get recognized in the M.2 NVMe only slot .. but it does get recognized in the SATA/NVMe M.2 slot.

I sent it back