Viper PV593 1TB
1TB · PCIe 5.0 NVMe · 14,000 MB/s read · PassMark #39
Samsung 990 EVO Plus 4TB · bare
PCIe 4.0/5.0 · 7250/6300 MB/s · 4TB
Samsung 990 EVO Plus 4TB · bare takes it — here’s why.
In our weighted Specdex score, Viper PV593 1TB lands at 76 and Samsung 990 EVO Plus 4TB · bare at 86. That puts Samsung 990 EVO Plus 4TB · bare ahead by 10 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Viper PV593 1TB if…
- ✓Strong PCIe 5.0 performance at PassMark rank #39
Pick Samsung 990 EVO Plus 4TB · bare if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Viper PV593 1TBSpecdex score per dollar at MSRP
Viper PV593 1TB more score per dollar ($75 vs $360).
Score breakdown
Specs side-by-side
| Spec | Viper PV593 1TB | Samsung 990 EVO Plus 4TB · bare |
|---|---|---|
| Form factor | M.2 2280 | — |
| Interface | PCIe 5.0 x4 NVMe 2.0 | PCIe 4.0/5.0 |
| Sequential read | 14,000 MB/s | — |
| Sequential write | 10,000 MB/s | — |
| Controller | Silicon Motion SM2508 (TSMC 6nm, 8-channel) | — |
| NAND | 232-layer Micron B58R 3D TLC | — |
| DRAM | yes (DRAM cache) | — |
| Endurance | 700 TBW | — |
| Warranty | 5 years | — |
| PassMark Disk Score | 80,079 | — |
| PassMark rank | #39 of 100 consumer SSDs | — |
| Capacity | — | 4TB |
| Read/Write | — | 7250/6300 MB/s |
Viper PV593 1TB
- +Strong PCIe 5.0 performance at PassMark rank #39
- −DRAM-less controllers on lower-tier variants may throttle under sustained writes
- −Pricing varies — confirm current retail before purchase
Samsung 990 EVO Plus 4TB · bare
- +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: Viper PV593 1TB vs Samsung 990 EVO Plus 4TB · bare
Which is better, Viper PV593 1TB or Samsung 990 EVO Plus 4TB · bare? +
Samsung 990 EVO Plus 4TB · bare scores 86 on our weighted rubric — ahead by 10. Your best pick depends on the sub-scores above.
Is Viper PV593 1TB worth the price? +
At $75, Viper PV593 1TB delivers a Specdex score of 76 — strongest in passmark_disk.
Is Samsung 990 EVO Plus 4TB · bare worth the price? +
At $360, Samsung 990 EVO Plus 4TB · bare delivers a Specdex score of 86 — strongest in read.
Does Viper PV593 1TB or Samsung 990 EVO Plus 4TB · bare 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.
Which is the better value, Viper PV593 1TB or Samsung 990 EVO Plus 4TB · bare? +
Viper PV593 1TB — more score per dollar ($75 vs $360). Specdex score per dollar at MSRP.