Samsung MZ-ALQ5120 M.2 NVMe SSD vs Western Digital Black SN770
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Powered by Claude AIWestern Digital Black SN770 narrowly beats the Samsung MZ-ALQ5120 M.2 NVMe SSD in the ssd storage category, especially in battery life, scoring 41 vs 33. 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.Faster read speed: 5,000MB/s vs 3,400MB/s
- 2.Faster write speed: 4,000MB/s vs 2,300MB/s
- 3.Higher endurance: 500 TBW vs 300 TBW
- 4.Better performance score: 35 vs 23
- 5.Better display rating: 32 vs 18
What are you giving up?
Picking Western Digital Black SN770 over Samsung MZ-ALQ5120 M.2 NVMe SSD means trading these off.
You give up
- −$74 cheaper ($54.99 vs $129)
You gain
Specs are roughly matched — winner decided on overall scoring, not a specific spec advantage.
Spec Comparison
Samsung MZ-ALQ5120 M.2 NVMe SSDWestern Digital Black SN770
Score Breakdown
Samsung MZ-ALQ5120 M.2 NVMe SSDWestern Digital Black SN770
98
Price20% weight
88Samsung MZ-ALQ5120 M.2 NVMe SSD Winner
23
Read Speed30% weight
35Western Digital Black SN770 Winner
18
Write Speed20% weight
32Western Digital Black SN770 Winner
12
Capacity15% weight
35Western Digital Black SN770 Winner
6
Endurance15% weight
11Tie
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.
Samsung MZ-ALQ5120 M.2 NVMe SSD
✓ Pros
- ●Lower price: $54.99 vs $129
- ●Better value for money
✗ Cons
- ●Weaker battery score
- ●Lower display score
- ●Lower performance score
Western Digital Black SN770
Winner✓ Pros
- ●Higher performance score
- ●Better display score
- ●Better battery score
✗ Cons
- ●Higher price: $129 vs $54.99
- ●Higher price relative to value
Spec Comparison
| Spec | Samsung MZ-ALQ5120 M.2 NVMe SSD | Western Digital Black SN770W |
|---|---|---|
| Price | 54.99$✓ | 129$ |
| Storage | 512GB | — |
| Weight | 10g | — |
| Dimensions | 80 x 22 x 2.38 mm | — |
Who Should Buy
Buy Samsung MZ-ALQ5120 M.2 NVMe SSD if…
Choose the Samsung MZ-ALQ5120 M.2 NVMe SSD if budget is your top priority — it offers competitive specs at a lower price point.
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.
Samsung MZ-ALQ5120 M.2 NVMe SSD vs Western Digital Black SN770 — FAQ
Samsung MZ-ALQ5120 M.2 NVMe SSD vs Western Digital Black SN770: which is better?
Western Digital Black SN770 narrowly beats the Samsung MZ-ALQ5120 M.2 NVMe SSD in the ssd storage category, especially in battery life, scoring 41 vs 33. If you want the better overall ssd storage, Western Digital Black SN770 is the recommended choice.
Is Samsung MZ-ALQ5120 M.2 NVMe SSD better than Western Digital Black SN770?
No, Western Digital Black SN770 scores higher (51 vs 28).
Which is cheaper, Samsung MZ-ALQ5120 M.2 NVMe SSD or Western Digital Black SN770?
Samsung MZ-ALQ5120 M.2 NVMe SSD is cheaper at $54.99 vs $129 for the Western Digital Black SN770.
Who should buy the Samsung MZ-ALQ5120 M.2 NVMe SSD?
Choose the Samsung MZ-ALQ5120 M.2 NVMe SSD if budget is your top priority — it offers competitive specs at a lower price point.
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 Samsung MZ-ALQ5120 M.2 NVMe SSD review →Full Western Digital Black SN770 review →All Samsung 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.