Samsung 990 PRO vs WD Blue SN5000 at every capacity: prices, $/TB, speeds, endurance. Which to buy in July 2026 — full family comparison.
This page compares the Samsung 990 PRO and WD Blue SN5000 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 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 Blue SN5000: $147.50/TB at its best capacity, against $194.00/TB for the Samsung 990 PRO. If budget drives the decision, the WD Blue SN5000 is the default.
The cache design differs: Samsung 990 PRO carries on-board DRAM, WD Blue SN5000 borrows system RAM via HMB. This matters for database-style workloads and long video-editing sessions, not for everyday use.
| Capacity | Samsung 990 PRO | WD Blue SN5000 | |
|---|---|---|---|
| 1 TB | $239 · $239.00/TB | — | |
| 2 TB | $388 · $194.00/TB | $295 · $147.50/TB | Full comparison → |
| 4 TB | $825 · $206.25/TB | — |