Compare WD Blue SN5100 1TB and WD Blue SN5000 2TB: prices, speeds, $/TB. Which to buy in May 2026? Full spec breakdown.
Both run on Gen 4 hardware but at different capacities: 1 TB for the WD Blue SN5100 1TB versus 2 TB for the WD Blue SN5000 2TB. Whether the larger drive's $/TB advantage justifies the higher upfront cost depends on how much you actually need.
There's a modest pricing advantage for the WD Blue SN5000 2TB: $69.50/TB compared with $89.00/TB. For typical gaming and productivity, this becomes the deciding factor when specs are close.
On warranty endurance the WD Blue SN5000 2TB carries 900 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 WD Blue SN5000 2TB wins this matchup on $/TB. 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 WD Blue SN5100 1TB if you value the lower retail price ($89 vs $139), and meaningfully faster reads (6,600 MB/s).
Pick the WD Blue SN5000 2TB if you value better $/TB economics ($69.50/TB), and a higher TBW endurance rating (900 TBW).