Samsung
Samsung 990 EVO Plus 2TB
PCIe 4.0/5.0 · 7,250 MB/s · Affordable
88
/ 100
From $159
VS
WD_BLACK SN850X 2 TB wins by 2
Western Digital
WD_BLACK SN850X 2 TB
PCIe 4.0 · 7300 MB/s · Heatsink option
90
/ 100
From $219
Specdex verdict
WD_BLACK SN850X 2 TB takes it — here’s why.
In our weighted Specdex score, Samsung 990 EVO Plus 2TB lands at 88 and WD_BLACK SN850X 2 TB at 90. That puts WD_BLACK SN850X 2 TB ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Samsung 990 EVO Plus 2TB if…
- ✓PCIe 5.0 capable (half-speed)
- ✓Great value
- ✓Samsung Magician software
Pick WD_BLACK SN850X 2 TB if…
- ✓Best PCIe 4.0 sustained speed under load
- ✓5-year warranty
- ✓Excellent gaming/load times
Samsung 990 EVO Plus 2TB 88
vs 90 WD_BLACK SN850X 2 TB
Score breakdown
Samsung 990 EVO Plus 2TB
88 read 92
write 88
endurance 84
value 94
speed 0
software 0
reliability 0
WD_BLACK SN850X 2 TB
90 read 0
write 0
endurance 92
value 88
speed 92
software 86
reliability 96
Specs side-by-side
| Spec | Samsung 990 EVO Plus 2TB | WD_BLACK SN850X 2 TB |
|---|---|---|
| Interface | PCIe 4.0 x4 / 5.0 x2 NVMe | PCIe 4.0 x4 NVMe 1.4 |
| Read speed | 7,250 MB/s | — |
| Write speed | 6,300 MB/s | — |
| TBW | 1200 | — |
| Capacity | — | 1 / 2 / 4 / 8 TB |
| Sequential read | — | 7300 MB/s |
| Sequential write | — | 6600 MB/s |
| NAND | — | BiCS5 TLC |
| Endurance | — | 1200 TBW (2TB) |
| Warranty | — | 5 years |
Samsung 990 EVO Plus 2TB
Pros
- +PCIe 5.0 capable (half-speed)
- +Great value
- +Samsung Magician software
Cons
- −Half-speed on PCIe 5.0
- −TBW lower than Pro
- −Write speed behind 990 Pro
WD_BLACK SN850X 2 TB
Pros
- +Best PCIe 4.0 sustained speed under load
- +5-year warranty
- +Excellent gaming/load times
Cons
- −PCIe 4.0 not 5.0
- −Game Mode 2.0 is software gimmick
- −Premium pricing per TB
FAQ: Samsung 990 EVO Plus 2TB vs WD_BLACK SN850X 2 TB
Which is better, Samsung 990 EVO Plus 2TB or WD_BLACK SN850X 2 TB? +
WD_BLACK SN850X 2 TB scores 90 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Samsung 990 EVO Plus 2TB worth the price? +
At $159, Samsung 990 EVO Plus 2TB delivers a Specdex score of 88 — strongest in value.
Is WD_BLACK SN850X 2 TB worth the price? +
At $219, WD_BLACK SN850X 2 TB delivers a Specdex score of 90 — strongest in reliability.
Does Samsung 990 EVO Plus 2TB or WD_BLACK SN850X 2 TB 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.