#1
WD_BLACK
SN770
54 positive 0 neutral 13 negative
Based on 67 Reddit mentions
$235.99
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Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
SSD lost performance after upgrade.
UPDATE: I was running all the tests on battery. HWinfo was showing a current pcie with x4 and speed 5 GT/s. ChatGPT confirmed that it was being downgraded to PCIe gen2 instead of gen3. When I plugged it to AC and retested with CDM it doubled the numbers and was better than the PM981. But still tells
...Abdel403 in r/thinkpad
March 6, 2026 2:34 AM
2
Weird Write speeds with WD_BLACK SN770 on Mac
Google: WD_BLACK SN770 is an NVMe SSD. It is a high-performance M.2 2280 internal drive that utilizes the PCIe Gen4 interface to deliver speeds up to 5,150 MB/s (for 1TB/2TB models). It is designed for gaming and content creation, offering fast storage for PC and laptop upgrades Mike: NVME have writ
...mikeinnsw in r/datastorage
March 25, 2026 10:31 PM
1
