WD BLACK SN8100 4TB
Not rated yet
US launch / reference: $549
Third-party reference ↗WD BLACK SN8100 4TB vs XPG MARS 980 BLADE
An overall editorial verdict is not available for this pair yet. Your priorities and current prices can change the better choice.
XPG MARS 980 BLADE
Not rated yet
US launch / reference: $300
Third-party reference ↗Start with the tradeoffs
Consider WD BLACK SN8100 4TB for
- Interface: PCIe 5.0 x4 NVMe 2.0
- Listed endurance: 2,400 TBW
- Form factor: M.2 2280 (single-sided)
Tradeoff: Check slot compatibility, exact capacity and heatsink clearance before purchase.
Consider XPG MARS 980 BLADE for
- Interface: PCIe 5.0 x4 NVMe 2.0
- Listed endurance: 1,480 TBW
- Form factor: M.2 2280 (passive, heat-spreader label)
Tradeoff: Check slot compatibility, exact capacity and heatsink clearance before purchase.
Scores and judgments are editorial. Specdex does not run an in-house benchmark lab. Manufacturer claims and independent measurements may use different test conditions.
Specifications side by side
Arrows indicate a higher capacity, higher power rating, or lower weight/time for comparable simple quantities. They do not establish overall product quality. Unknown values remain unavailable.
| Specification | WD BLACK SN8100 4TB | XPG MARS 980 BLADE |
|---|---|---|
| Form factor | M.2 2280 (single-sided) | M.2 2280 (passive, heat-spreader label) |
| Interface | PCIe 5.0 x4 NVMe 2.0 | PCIe 5.0 x4 NVMe 2.0 |
| Sequential read | 14,900 MB/s | 14,000 MB/s |
| Sequential write | 14,000 MB/s | 13,000 MB/s |
| Random read | 2,300,000 IOPS | 2,000,000 IOPS |
| Random write | 2,400,000 IOPS | 1,650,000 IOPS |
| Controller | SanDisk-tuned Silicon Motion SM2508 (6nm, quad Cortex-R8) | Silicon Motion SM2508 (TSMC 6nm) |
| NAND | 218-layer BiCS8 CBA 3D TLC | 232-layer Micron 3D TLC |
| DRAM | yes (onboard DRAM) | yes (DRAM cache buffer) |
| Endurance | 2,400 TBW | 1,480 TBW |
| Warranty | 5 years | 5 years |
WD BLACK SN8100 4TB
Prices & availability
US launch / reference: $549. This is not a current retailer offer.
Checking current offers…
Price history
History appears when an approved retailer provides observations.
Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.
XPG MARS 980 BLADE
Prices & availability
US launch / reference: $300. This is not a current retailer offer.
Checking current offers…
Price history
History appears when an approved retailer provides observations.
Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.