Side-by-side: WD_BLACK SN7100 2TB ($290) vs Crucial P310 2TB ($292). $/TB winner, specs, real-world picks for July 2026.
Gen 4 at 2 TB is one of the most contested SSD segments in 2026, and WD_BLACK SN7100 2TB versus Crucial P310 2TB captures that competition well. The decision rarely comes down to peak speeds — both drives saturate typical workloads.
Hardware-wise, the WD_BLACK SN7100 2TB runs on SanDisk's A101 controller, used in newer WD_BLACK SKUs after the SanDisk spinoff. The Crucial P310 2TB pairs an E27T controller built specifically for DRAM-less Gen 4 SSDs.
WD_BLACK SN7100 2TB earns higher TBW ratings (1,200 vs 880 TBW) — relevant for sustained write workloads, irrelevant for everything else.
If this purchase is for a PS5 storage expansion, the comparison flattens — Sony's PCIe Gen 4 controller normalizes both WD_BLACK SN7100 2TB and Crucial P310 2TB to roughly equal in-game load times. The cheaper drive is the smart pick. For content creators routinely rendering 4K or 8K video, the WD_BLACK SN7100 2TB's 6,900 MB/s sustained write is the deciding factor — multi-GB project files land noticeably faster than on the alternative. Note for handheld gamers: M.2 2280 is the desktop/laptop standard. Steam Deck and the ROG Ally line need 2230 drives — neither WD_BLACK SN7100 2TB nor Crucial P310 2TB fits without modification.
Zoom out from this pair for a moment. Among the 11 Gen 4 2 TB drives we track, the WD_BLACK SN7100 2TB ranks #3 by $/TB and the Crucial P310 2TB ranks #4. One of them is genuinely among the cheapest options in its class, so this matchup includes a real value pick.
As of July 27, 2026, these tracked drives undercut both the WD_BLACK SN7100 2TB and Crucial P310 2TB on $/TB:
Go with the WD_BLACK SN7100 2TB for the lower retail price ($290 vs $292), better $/TB economics ($145.00/TB), and a higher TBW endurance rating (1,200 TBW).
The Crucial P310 2TB fits buyers who prefer its specific performance profile or have brand preference for Crucial.