Western Digital
WD_Black SN8100
$179.99Cheaper
Released 2025-05
Best Internal Ssds · head-to-head
WD_Black SN8100 vs Crucial T705
A sourced, side-by-side comparison. WD_Black SN8100 is cheaper at $179.99. Every spec and price links to its source.
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Crucial
Crucial T705
$239.99
Released 2024-02
Which is better: the WD_Black SN8100 or Crucial T705?
The WD_Black SN8100 wins 2 of the 2 specs we compare head to head; the other wins 0. The WD_Black SN8100 is the cheaper at $179.99. The WD_Black SN8100 both leads on specs and costs less — the straightforward pick.
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Key specs, head to head
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | WD_Black SN8100 | Crucial T705 |
|---|---|---|
| US price | $179.99 | $239.99 |
| Brand | Western Digital | Crucial |
| Released | 2025-05 | 2024-02 |
| Capacity options (TB) | 1, 2, 4, 8 | 1, 2, 4 |
| Form factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 NVMe | PCIe 5.0 x4 NVMe |
| Seq read (Mbps) | 14900 | 14500 |
| Seq write (Mbps) | 14000 | 12700 |
| Random read kiops | 2300 | 1550 |
| Random write kiops | 2300 | 1800 |
| Nand type | TLC | 3D TLC |
| Has dram cache | Yes | Yes |
| Endurance tbw | — | 600 |
| Warranty years | 5 | 5 |
Sources — WD_Black SN8100: sandisk.com (verified 2026-07-11). Crucial T705: crucial.com (verified 2026-07-11).
What's the difference between the WD_Black SN8100 and Crucial T705?
Where the two actually differ on the specs we track (6 of 11). Matching specs are omitted.
- Capacity options (TB): WD_Black SN8100 1, 2, 4, 8 vs Crucial T705 1, 2, 4
- Seq read (Mbps): WD_Black SN8100 14900 vs Crucial T705 14500
- Seq write (Mbps): WD_Black SN8100 14000 vs Crucial T705 12700
- Random read kiops: WD_Black SN8100 2300 vs Crucial T705 1550
- Random write kiops: WD_Black SN8100 2300 vs Crucial T705 1800
- Nand type: WD_Black SN8100 TLC vs Crucial T705 3D TLC
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
WD_Black SN8100
Three whitelisted labs (Tom's Hardware, StorageReview, PCWorld) benchmarked the 2TB WD_Black SN8100 and rate it among the fastest consumer Gen5 SSDs tested, with class-leading synthetic throughput and top-tier random IOPS plus strong power efficiency. Tom's Hardware and PCWorld flag premium pricing; PCWorld also hit write-speed inconsistency on an older motherboard that vanished on a new test bed. (TechPowerUp's review was dropped because only its intro/spec page was retrievable, leaving no verifiable quotes or measurements.) (3 sourced reviews, 3 lab-tested.)
Praised: Fastest consumer Gen5 SSD tested; record-setting synthetic throughput and top-tier random-read IOPS; Power-efficient and runs cool (peak under 50 degrees C in PCWorld's testing); Excellent all-around real-world performance, including gaming, DirectStorage and AI-model loading.
Flagged: Premium pricing versus Gen4 and rival Gen5 drives; Real-world gains over the best drives are small; overkill for most users; Write-speed inconsistency / severe drops on an older motherboard slot.
Crucial T705
Four hands-on testers — Tom's Hardware, StorageReview, PCWorld and TechRadar — each benchmarked the Crucial T705 and agree it is the fastest consumer PCIe 5.0 SSD at launch, with sequential reads near 14,400-14,500 MB/s. All four flag the steep price. Tom's Hardware and TechRadar additionally warn about heavy heat and power draw, while PCWorld and StorageReview note that the synthetic wins seldom translate to real-world or 4K workloads. (4 sourced reviews, 4 lab-tested.)
Praised: Record-setting sequential read speed — fastest consumer PCIe 5.0 SSD tested at launch; Effective bundled heatsink keeps the drive cool enough for full performance; Strong feature set: TCG OPAL/AES256 encryption, software suite, capacities up to 4TB.
Flagged: Very expensive / premium pricing across all capacities; High power consumption and heat output; requires cooling; Synthetic gains rarely translate to real-world / 4K performance.