Compare WD_BLACK SN7100 4TB and TeamGroup MP44 4TB: prices, speeds, $/TB. Which to buy in May 2026? Full spec breakdown.
Both the WD_BLACK SN7100 4TB and TeamGroup MP44 4TB sit in the Gen 4 category at 4 TB, so the matchup turns on controller efficiency, cache topology, and current pricing rather than raw class differences.
Hardware-wise, the WD_BLACK SN7100 4TB runs on the SanDisk A101 — a more recent design from the WD/SanDisk lineup. The TeamGroup MP44 4TB pairs MaxioTech's MAP1602 silicon, the default choice for budget Gen 4 drives in 2024-2026.
There's a modest pricing advantage for the TeamGroup MP44 4TB: $69.75/TB compared with $79.75/TB. For typical gaming and productivity, this becomes the deciding factor when specs are close.
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 TeamGroup MP44 4TB wins this matchup on $/TB. Heavy write workloads — video editing, RAW photo libraries, backup operations — favor the WD_BLACK SN7100 4TB's 6,700 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.
The WD_BLACK SN7100 4TB fits buyers who prefer its specific performance profile or have brand preference for WD.
Pick the TeamGroup MP44 4TB if you value the lower retail price ($279 vs $319), and better $/TB economics ($69.75/TB). Budget-tier drives like the TeamGroup MP44 4TB have closed the gap with premium NVMes — the MAP1602 controller is genuinely competitive for everyday workloads at half the price.