TeamGroup MP44 4TB ($513) vs Lexar NM790 4TB ($510). $/TB analysis, performance, and use-case recommendations.
TeamGroup MP44 4TB and Lexar NM790 4TB are direct competitors — same generation, same capacity. Choose by controller behavior under sustained load, DRAM/HMB cache strategy, and $/TB economics.
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 Lexar NM790 4TB wins this matchup on $/TB. Heads-up — these are full-length 2280 drives. Steam Deck and most current handhelds require shorter 2230 modules, so check capacity-specific 2230 variants if that's your target platform.
Market context: we track 6 Gen 4 4 TB drives, and by price per terabyte the TeamGroup MP44 4TB currently sits #2 while the Lexar NM790 4TB sits #1. One of them is genuinely among the cheapest options in its class, so this matchup includes a real value pick.
At $127.50/TB, the Lexar NM790 4TB is already among the cheapest 4 TB drives we track — nothing in this class undercuts it. See the full $/TB ranking.
The TeamGroup MP44 4TB captures the value tier well: same NAND class as flagships, paired with a DRAM-less controller that costs less and uses HMB for the address-mapping table.
The Lexar NM790 4TB is the right call if the lower retail price ($510 vs $513), and better $/TB economics ($127.50/TB) matter to you. The Lexar NM790 4TB wins on $/TB because it pairs DRAM-less MAP1602 silicon with low-margin distribution. Performance is fine for OS and gaming, weaker only on sustained random writes.