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

Crucial T705 vs WD_BLACK SN8100

Crucial T705 vs WD_BLACK SN8100 at every capacity: prices, $/TB, speeds, endurance. Which to buy in July 2026 — full family comparison.

Verdict: Crucial T705 vs WD_BLACK SN8100

Comparing Crucial T705 against WD_BLACK SN8100 model-to-model means looking across the whole capacity range: the winner at 1 TB isn't always the winner at 4 TB, because per-TB pricing shifts with capacity. Here's the full picture.

The WD_BLACK SN8100 posts the higher sequential read spec (14,900 MB/s vs 14,500 MB/s). Whether that shows up for you depends on workload: game load times won't change, sustained transfers will.

On value, the Crucial T705 family wins at most capacities — its best configuration lands at $153.25/TB versus $175.00/TB for the WD_BLACK SN8100's best. During the 2026 NAND shortage that spread compounds quickly at 2-4 TB.

Crucial T705 vs WD_BLACK SN8100: price by capacity

Capacity	Crucial T705	WD_BLACK SN8100
2 TB	$406 · $203.00/TB	$380 · $190.00/TB	Full comparison →
4 TB	$613 · $153.25/TB	$700 · $175.00/TB	Full comparison →

Spec comparison (4 TB models)

Generation

Gen 5

Interface

PCIe 5.0 x4

Sequential read

14,500 MB/s

14,900 MB/s

Sequential write

12,700 MB/s

11,000 MB/s

Controller

Phison E26

SMI SM2508

DRAM cache

Yes

Warranty

5 years

PS5 compatible

Yes

FAQ

Crucial T705 vs WD_BLACK SN8100 — common questions

Which is cheaper per TB, Crucial T705 or WD_BLACK SN8100?

As of July 27, 2026, the Crucial T705 family offers the better $/TB: its best configuration is $153.25/TB versus $175.00/TB for the WD_BLACK SN8100. The exact winner varies by capacity — see the capacity table for per-size pricing.

Which capacity of the Crucial T705 or WD_BLACK SN8100 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 T705 and WD_BLACK SN8100 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.