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

Crucial P310 vs Samsung 990 PRO

Crucial P310 vs Samsung 990 PRO at every capacity: prices, $/TB, speeds, endurance. Which to buy in July 2026 — full family comparison.

Verdict: Crucial P310 vs Samsung 990 PRO

This page compares the Crucial P310 and Samsung 990 PRO 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 Samsung 990 PRO family leads on sequential read (7,450 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 Crucial P310: $129.75/TB at its best capacity, against $194.00/TB for the Samsung 990 PRO. If budget drives the decision, the Crucial P310 is the default.

Architecturally, the Samsung 990 PRO family uses a dedicated DRAM cache while the Crucial P310 relies on HMB (Host Memory Buffer). For OS and gaming duty they behave identically; sustained random writes favor DRAM.

Crucial P310 vs Samsung 990 PRO: price by capacity

Capacity	Crucial P310	Samsung 990 PRO
1 TB	—	$239 · $239.00/TB
2 TB	$292 · $146.00/TB	$388 · $194.00/TB	Full comparison →
4 TB	$519 · $129.75/TB	$825 · $206.25/TB	Full comparison →

Spec comparison (4 TB models)

Generation

Gen 4

Interface

PCIe 4.0 x4

Sequential read

7,100 MB/s

7,450 MB/s

Sequential write

6,000 MB/s

6,900 MB/s

Controller

Phison E27T

Samsung Pascal

DRAM cache

No (HMB)

Yes

Warranty

5 years

PS5 compatible

Yes

FAQ

Crucial P310 vs Samsung 990 PRO — common questions

Which is cheaper per TB, Crucial P310 or Samsung 990 PRO?

As of July 27, 2026, the Crucial P310 family offers the better $/TB: its best configuration is $129.75/TB versus $194.00/TB for the Samsung 990 PRO. The exact winner varies by capacity — see the capacity table for per-size pricing.

Which capacity of the Crucial P310 or Samsung 990 PRO 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 Samsung 990 PRO 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.