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

WD Blue SN5000 vs WD_BLACK SN7100

WD Blue SN5000 vs WD_BLACK SN7100 at every capacity: prices, $/TB, speeds, endurance. Which to buy in July 2026 — full family comparison.

Verdict: WD Blue SN5000 vs WD_BLACK SN7100

This page compares the WD Blue SN5000 and WD_BLACK SN7100 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 WD_BLACK SN7100 family leads on sequential read (7,250 vs 5,500 MB/s). In practice, both saturate typical consumer workloads — the speed gap matters mainly for sustained multi-GB transfers.

Per-terabyte economics favor the WD_BLACK SN7100: $142.50/TB at its best capacity, against $147.50/TB for the WD Blue SN5000. If budget drives the decision, the WD_BLACK SN7100 is the default.

WD Blue SN5000 vs WD_BLACK SN7100: price by capacity

Capacity	WD Blue SN5000	WD_BLACK SN7100
2 TB	$295 · $147.50/TB	$290 · $145.00/TB	Full comparison →
4 TB	—	$570 · $142.50/TB

Spec comparison (2 TB models)

Generation

Gen 4

Interface

PCIe 4.0 x4

Sequential read

5,500 MB/s

7,250 MB/s

Sequential write

5,000 MB/s

6,900 MB/s

Controller

SanDisk

SanDisk A101

DRAM cache

No (HMB)

Warranty

5 years

PS5 compatible

Yes

FAQ

WD Blue SN5000 vs WD_BLACK SN7100 — common questions

Which is cheaper per TB, WD Blue SN5000 or WD_BLACK SN7100?

As of July 27, 2026, the WD_BLACK SN7100 family offers the better $/TB: its best configuration is $142.50/TB versus $147.50/TB for the WD Blue SN5000. The exact winner varies by capacity — see the capacity table for per-size pricing.

Which capacity of the WD Blue SN5000 or WD_BLACK SN7100 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 WD Blue SN5000 and WD_BLACK SN7100 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.