Sony Tough M 128GB Memory Card vs WD Black SN850X NVMe SSD
Verdict: These products serve fundamentally different purposes—one is a rugged SD card for cameras, the other a high-speed internal SSD for PCs—so direct comparison is limited. The WD Black SN850X leads in performance metrics with 7300 MB/s reads (per WD) versus the Sony's 170 MB/s. The Sony Tough M excels only in portable durability scenarios like action cameras where an M.2 SSD cannot be used.
How we scored it
Spec verificationOwner sentimentLive pricing (4h refresh)Editorial review
Our methodology
Winner: WD Black SN850X NVMe SSD
Sony Tough M 128GB Memory Card: 5.5/10
WD Black SN850X NVMe SSD: 8/10
Spec-by-spec comparison
| Sony Tough M 128GB Memory Card | WD Black SN850X NVMe SSD | |
|---|---|---|
| Capacity | 128 GB | 2000 gigabytes |
| Sequential Read | 170 MB/s | 7300 MB/s |
| Sequential Write | 90 MB/s | 6600 MB/s |
| Durability Rating | IP68, 5m drop | — |
Sony Tough M 128GB Memory Card
What works
- Rugged IP68 and drop-proof design for outdoor use
- Compact form factor fits cameras and drones
- Fast enough for 4K video recording in compatible devices
What doesn't
- Limited to 128 GB capacity
- Much slower than internal SSDs for large file transfers
WD Black SN850X NVMe SSD
What works
- Extremely high sequential speeds for gaming and content creation
- Available in 1 TB to 4 TB capacities
- PCIe 4.0 interface maximizes modern motherboard performance
What doesn't
- Requires M.2 slot and heatsink in most builds
- Not suitable for portable or camera use
Bottom line
Our pick: WD Black SN850X NVMe SSD.
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