SSD family comparison · Updated July 27, 2026 · Prices verified July 27, 2026

Crucial P310 vs Lexar NM790

Crucial P310 vs Lexar NM790 at every capacity: prices, $/TB, speeds, endurance. Which to buy in July 2026 — full family comparison.

Verdict: Crucial P310 vs Lexar NM790

This page compares the Crucial P310 and Lexar NM790 product families across all capacities we track. Per-capacity pricing changes the verdict more often than specs do, so start with the capacity table and then check the spec differences below.

On paper, the Lexar NM790 family leads on sequential read (7,400 vs 7,100 MB/s). In practice, both saturate typical consumer workloads — the speed gap matters mainly for sustained multi-GB transfers.

Per-terabyte economics favor the Lexar NM790: $127.50/TB at its best capacity, against $129.75/TB for the Crucial P310. If budget drives the decision, the Lexar NM790 is the default.

Crucial P310 vs Lexar NM790: price by capacity

CapacityCrucial P310Lexar NM790
2 TB$292 · $146.00/TB$310 · $155.00/TBFull comparison →
4 TB$519 · $129.75/TB$510 · $127.50/TBFull comparison →

Spec comparison (4 TB models)

Generation
Gen 4
Gen 4
Interface
PCIe 4.0 x4
PCIe 4.0 x4
Sequential read
7,100 MB/s
7,400 MB/s
Sequential write
6,000 MB/s
6,500 MB/s
Controller
Phison E27T
MAP1602
DRAM cache
No (HMB)
No (HMB)
Warranty
5 years
5 years
PS5 compatible
Yes
Yes

Crucial P310 vs Lexar NM790 — common questions

Which is cheaper per TB, Crucial P310 or Lexar NM790?

As of July 27, 2026, the Lexar NM790 family offers the better $/TB: its best configuration is $127.50/TB versus $129.75/TB for the Crucial P310. The exact winner varies by capacity — see the capacity table for per-size pricing.

Which capacity of the Crucial P310 or Lexar NM790 should I buy?

2 TB is the sweet spot for most builds: better $/TB than 1 TB and better availability than 4 TB+ during the 2026 NAND shortage. Check the capacity table above — the per-TB winner can flip between capacities.

Are the Crucial P310 and Lexar NM790 PS5 compatible?

Both families are PCIe NVMe M.2 2280 and work in the PS5 expansion slot. The PS5 caps sustained speeds at ~5,500 MB/s, so pick on price, not peak speed, and add a heatsink.