Compare Crucial P310 2TB and WD Blue SN5100 1TB: prices, speeds, $/TB. Which to buy in May 2026? Full spec breakdown.
Both run on Gen 4 hardware but at different capacities: 2 TB for the Crucial P310 2TB versus 1 TB for the WD Blue SN5100 1TB. Whether the larger drive's $/TB advantage justifies the higher upfront cost depends on how much you actually need.
Hardware-wise, the Crucial P310 2TB runs on the DRAM-less Phison E27T, common in value-tier 2TB and 4TB Gen 4 drives. The WD Blue SN5100 1TB pairs the SanDisk controller.
There's a modest pricing advantage for the Crucial P310 2TB: $77.50/TB compared with $89.00/TB. For typical gaming and productivity, this becomes the deciding factor when specs are close.
On warranty endurance the Crucial P310 2TB carries 880 TBW against WD Blue SN5100 1TB's 600 TBW. Both will outlast typical use, but the gap matters if you're doing professional content work.
Heading to a PlayStation 5? Both drives drop into the console's M.2 bay and report identical real-world benchmarks since the PS5 caps storage at PCIe 4.0 speeds. The Crucial P310 2TB wins this matchup on $/TB. Heavy write workloads — video editing, RAW photo libraries, backup operations — favor the Crucial P310 2TB's 6,000 MB/s sustained write speed. Both drives use the 2280 form factor, which is too long for Steam Deck or ROG Ally — you'd need a 2230 variant if either manufacturer offers one, or a dedicated handheld-format drive instead.
Pick the Crucial P310 2TB if you value better $/TB economics ($77.50/TB), and a higher TBW endurance rating (880 TBW).
Pick the WD Blue SN5100 1TB if you value the lower retail price ($89 vs $155).