# WD_Black SN8100 vs SK Hynix Platinum P41: specs and price compared

A sourced, side-by-side comparison of the WD_Black SN8100 (Western Digital) and SK Hynix Platinum P41 (SK Hynix) among internal ssds. WD_Black SN8100 is the cheaper of the two at $179.99.

## Side by side

| Spec | WD_Black SN8100 | SK Hynix Platinum P41 |
| --- | --- | --- |
| US price | $179.99 | $209.99 |
| Brand | Western Digital | SK Hynix |
| Released | 2025-05 | 2022 |
| Capacity options (TB) | 1, 2, 4, 8 | 0.5, 1, 2 |
| Form factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 NVMe | PCIe 4.0 x4 NVMe |
| Seq read (Mbps) | 14900 | 7000 |
| Seq write (Mbps) | 14000 | 6500 |
| Random read kiops | 2300 | 1400 |
| Random write kiops | 2300 | 1300 |
| Nand type | TLC | 3D TLC |
| Has dram cache | Yes | Yes |
| Endurance tbw | — | 750 |
| Warranty years | 5 | 5 |

## Key differences

- Capacity options (TB): WD_Black SN8100 1, 2, 4, 8 vs SK Hynix Platinum P41 0.5, 1, 2
- Interface: WD_Black SN8100 PCIe 5.0 x4 NVMe vs SK Hynix Platinum P41 PCIe 4.0 x4 NVMe
- Seq read (Mbps): WD_Black SN8100 14900 vs SK Hynix Platinum P41 7000
- Seq write (Mbps): WD_Black SN8100 14000 vs SK Hynix Platinum P41 6500
- Random read kiops: WD_Black SN8100 2300 vs SK Hynix Platinum P41 1400
- Random write kiops: WD_Black SN8100 2300 vs SK Hynix Platinum P41 1300
- Nand type: WD_Black SN8100 TLC vs SK Hynix Platinum P41 3D TLC

## What reviewers say

**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.)

**SK Hynix Platinum P41** — All three whitelisted testers - Tom's Hardware, StorageReview, and TechPowerUp - benchmarked the SK hynix Platinum P41 hands-on. Tom's Hardware and TechPowerUp rate it the fastest/best PCIe 4.0 SSD they had tested at launch, with class-leading power efficiency. StorageReview's results were more uneven but highlighted category-leading 4K random read (its first consumer SSD past 1M IOPS). All note that sequential/random write throughput trails the fastest rivals and that capacity tops out at 2TB. (3 sourced reviews.)

## Sources

- WD_Black SN8100: https://www.sandisk.com/products/ssd/internal-ssd/wd-black-sn8100-ssd (sandisk.com, verified 2026-07-11)
- SK Hynix Platinum P41: https://ssd.skhynix.com/platinum_p41/ (ssd.skhynix.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/internal-ssds/wd-black-sn8100-vs-sk-hynix-platinum-p41/
Cite: Per The Front Desk Review, WD_Black SN8100 ($179.99) vs SK Hynix Platinum P41 ($209.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/internal-ssds/wd-black-sn8100-vs-sk-hynix-platinum-p41/
License: CC BY 4.0.