Samsung 990 EVO Plus 1TB
PCIe 4.0/5.0 · 7250/6300 MB/s · 1TB
WD Black SN770 1TB
PCIe 4.0 · 5150/4900 MB/s · 1TB
Dead heat — it comes down to priorities.
In our weighted Specdex score, Samsung 990 EVO Plus 1TB lands at 86 and WD Black SN770 1TB at 86. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Samsung 990 EVO Plus 1TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Pick WD Black SN770 1TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Winner by scenario
Derived from the sub-score breakdown · not a separate testEndurance & reliability
TieWrite endurance and long-term dependability
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | Samsung 990 EVO Plus 1TB | WD Black SN770 1TB |
|---|---|---|
| Interface | PCIe 4.0/5.0 | PCIe 4.0 |
| Capacity | 1TB | 1TB |
| Read/Write | 7250/6300 MB/s | 5150/4900 MB/s |
Samsung 990 EVO Plus 1TB
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
WD Black SN770 1TB
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
FAQ: Samsung 990 EVO Plus 1TB vs WD Black SN770 1TB
Which is better, Samsung 990 EVO Plus 1TB or WD Black SN770 1TB? +
Both score 86 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Samsung 990 EVO Plus 1TB worth the price? +
At $90, Samsung 990 EVO Plus 1TB delivers a Specdex score of 86 — strongest in read.
Is WD Black SN770 1TB worth the price? +
At $90, WD Black SN770 1TB delivers a Specdex score of 86 — strongest in read.
Does Samsung 990 EVO Plus 1TB or WD Black SN770 1TB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.