Fanxiang M.2 SSD PCIe Gen3 vs Western Digital Black SN770
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AI Matrix
Powered by Claude AIWestern Digital Black SN770 clearly outperforms the Fanxiang M.2 SSD PCIe Gen3 in the ssd storage category, especially in value ($129 vs $695.95), scoring 41 vs 10. If you want the better overall ssd storage, Western Digital Black SN770 is the recommended choice.
5 Reasons Why Western Digital Black SN770 Is Better
- 1.Lower price: $129 vs $695.95
- 2.Faster read speed: 5,000MB/s vs 2,000MB/s
- 3.Faster write speed: 4,000MB/s vs 1,500MB/s
- 4.Higher endurance: 500 TBW vs 200 TBW
- 5.Better performance score: 35 vs 13
What are you giving up?
Picking Western Digital Black SN770 over Fanxiang M.2 SSD PCIe Gen3 means trading these off.
You give up
Nothing meaningful — specs are roughly matched
You gain
- +$567 cheaper ($129 vs $695.95)
Spec Comparison
Fanxiang M.2 SSD PCIe Gen3Western Digital Black SN770
Score Breakdown
Fanxiang M.2 SSD PCIe Gen3Western Digital Black SN770
14
Price20% weight
88Western Digital Black SN770 Winner
13
Read Speed30% weight
35Western Digital Black SN770 Winner
11
Write Speed20% weight
32Western Digital Black SN770 Winner
6
Capacity15% weight
35Western Digital Black SN770 Winner
3
Endurance15% weight
11Western Digital Black SN770 Winner
Scores are relative within the ssd storagecategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
Fanxiang M.2 SSD PCIe Gen3
✗ Cons
- ●Higher price: $695.95 vs $129
- ●Higher price relative to value
- ●Weaker battery score
Western Digital Black SN770
Winner✓ Pros
- ●Lower price: $129 vs $695.95
- ●Higher performance score
- ●Better display score
Spec Comparison
| Spec | Fanxiang M.2 SSD PCIe Gen3 | Western Digital Black SN770W |
|---|---|---|
| Price | 695.95$ | 129$✓ |
| Storage | 256GB | — |
| Weight | 8g | — |
| Dimensions | 80 x 22 x 3.5 mm | — |
Who Should Buy
Buy Fanxiang M.2 SSD PCIe Gen3 if…
The Fanxiang M.2 SSD PCIe Gen3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Western Digital Black SN770 if…
Buy the Western Digital Black SN770 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Fanxiang M.2 SSD PCIe Gen3 vs Western Digital Black SN770 — FAQ
Fanxiang M.2 SSD PCIe Gen3 vs Western Digital Black SN770: which is better?
Western Digital Black SN770 clearly outperforms the Fanxiang M.2 SSD PCIe Gen3 in the ssd storage category, especially in value ($129 vs $695.95), scoring 41 vs 10. If you want the better overall ssd storage, Western Digital Black SN770 is the recommended choice.
Is Fanxiang M.2 SSD PCIe Gen3 better than Western Digital Black SN770?
No, Western Digital Black SN770 scores higher (51 vs 48).
Which is cheaper, Fanxiang M.2 SSD PCIe Gen3 or Western Digital Black SN770?
Western Digital Black SN770 is cheaper at $129 vs $695.95 for the Fanxiang M.2 SSD PCIe Gen3.
Who should buy the Fanxiang M.2 SSD PCIe Gen3?
The Fanxiang M.2 SSD PCIe Gen3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Who should buy the Western Digital Black SN770?
Buy the Western Digital Black SN770 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Full Fanxiang M.2 SSD PCIe Gen3 review →Full Western Digital Black SN770 review →All Fanxiang SSD Storage →All WD SSD Storage →
Reviewed by VersusMatrix Editorial Team
Last updated: April 28, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.