Corsair MP700 PRO XT
PCIe 5.0 NVMe · 14,900 MB/s read · PassMark #3
Samsung 990 EVO Plus 4TB
PCIe 4.0/5.0 · 7250/6300 MB/s · 4TB
Corsair MP700 PRO XT takes it — here’s why.
In our weighted Specdex score, Corsair MP700 PRO XT lands at 88 and Samsung 990 EVO Plus 4TB at 86. That puts Corsair MP700 PRO XT ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Corsair MP700 PRO XT if…
- ✓Top 3 on PassMark Disk Score — flagship-tier sequential + random performance
- ✓Pro-tier controller and DRAM cache for sustained throughput
- ✓PCIe 5.0 interface for next-gen platforms (AM5, LGA 1851)
Pick Samsung 990 EVO Plus 4TB 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
Corsair MP700 PRO XTSpecdex score per dollar at MSRP
Corsair MP700 PRO XT more score per dollar ($249 vs $360).
Score breakdown
Specs side-by-side
| Spec | Corsair MP700 PRO XT | Samsung 990 EVO Plus 4TB |
|---|---|---|
| Form factor | M.2 2280 | — |
| Interface | PCIe 5.0 x4 NVMe 2.0 | PCIe 4.0/5.0 |
| Sequential read | 14,900 MB/s | — |
| Sequential write | 14,500 MB/s | — |
| Random read | 2,700,000 IOPS | — |
| Random write | 3,300,000 IOPS | — |
| Controller | Phison E28 (6nm) | — |
| NAND | 218-layer Kioxia BiCS8 3D TLC | — |
| DRAM | yes (dedicated DRAM cache chip) | — |
| Endurance | 1,400 TBW | — |
| Warranty | 5 years | — |
| PassMark Disk Score | 93,137 | — |
| PassMark rank | #3 of 100 consumer SSDs | — |
| Spec basis | 2TB reference SKU — TBW/IOPS vary by capacity | — |
| Capacity | — | 4TB |
| Read/Write | — | 7250/6300 MB/s |
Corsair MP700 PRO XT
- +Top 3 on PassMark Disk Score — flagship-tier sequential + random performance
- +Pro-tier controller and DRAM cache for sustained throughput
- +PCIe 5.0 interface for next-gen platforms (AM5, LGA 1851)
- −PCIe 5.0 drives run hot — heatsink or motherboard M.2 cooling recommended
- −Pricing varies — confirm current retail before purchase
Samsung 990 EVO Plus 4TB
- +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: Corsair MP700 PRO XT vs Samsung 990 EVO Plus 4TB
Which is better, Corsair MP700 PRO XT or Samsung 990 EVO Plus 4TB? +
Corsair MP700 PRO XT scores 88 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Corsair MP700 PRO XT worth the price? +
At $249, Corsair MP700 PRO XT delivers a Specdex score of 88 — strongest in passmark_disk.
Is Samsung 990 EVO Plus 4TB worth the price? +
At $360, Samsung 990 EVO Plus 4TB delivers a Specdex score of 86 — strongest in read.
Does Corsair MP700 PRO XT or Samsung 990 EVO Plus 4TB 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, Corsair MP700 PRO XT or Samsung 990 EVO Plus 4TB? +
Corsair MP700 PRO XT — more score per dollar ($249 vs $360). Specdex score per dollar at MSRP.