XPG MARS 980 STORM
PCIe 4.0 NVMe · PassMark #62
Samsung 990 Pro 4TB · bare
PCIe 4.0 · 7450/6900 MB/s · 4TB
Samsung 990 Pro 4TB · bare takes it — here’s why.
In our weighted Specdex score, XPG MARS 980 STORM lands at 70 and Samsung 990 Pro 4TB · bare at 86. That puts Samsung 990 Pro 4TB · bare ahead by 16 points — a decisive margin driven mostly by its strengths in the categories below.
Pick XPG MARS 980 STORM if…
- ✓Capable NVMe drive at PassMark rank #62
Pick Samsung 990 Pro 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
XPG MARS 980 STORMSpecdex score per dollar at MSRP
XPG MARS 980 STORM more score per dollar ($200 vs $360).
Score breakdown
Specs side-by-side
| Spec | XPG MARS 980 STORM | Samsung 990 Pro 4TB · bare |
|---|---|---|
| PassMark Disk Score | 74,315 | — |
| PassMark rank | #62 of 100 consumer SSDs | — |
| Interface | — | PCIe 4.0 |
| Capacity | — | 4TB |
| Read/Write | — | 7450/6900 MB/s |
XPG MARS 980 STORM
- +Capable NVMe drive at PassMark rank #62
- −DRAM-less controllers on lower-tier variants may throttle under sustained writes
- −Newer drives out-perform this generation on sequential + random 4K
Samsung 990 Pro 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: XPG MARS 980 STORM vs Samsung 990 Pro 4TB · bare
Which is better, XPG MARS 980 STORM or Samsung 990 Pro 4TB · bare? +
Samsung 990 Pro 4TB · bare scores 86 on our weighted rubric — ahead by 16. Your best pick depends on the sub-scores above.
Is XPG MARS 980 STORM worth the price? +
At $200, XPG MARS 980 STORM delivers a Specdex score of 70 — strongest in passmark_disk.
Is Samsung 990 Pro 4TB · bare worth the price? +
At $360, Samsung 990 Pro 4TB · bare delivers a Specdex score of 86 — strongest in read.
Does XPG MARS 980 STORM or Samsung 990 Pro 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, XPG MARS 980 STORM or Samsung 990 Pro 4TB · bare? +
XPG MARS 980 STORM — more score per dollar ($200 vs $360). Specdex score per dollar at MSRP.