Looking for an honest Samsung 990 Pro 4TB vs Samsung 990 PRO M.2 2280 Internal SSD comparison in 2026? We scored both ssd storage on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Samsung 990 PRO M.2 2280 Internal SSD comes out ahead 36/100 to 54/100 — a 18-point gap. The widest gap is in battery life, where the Samsung 990 PRO M.2 2280 Internal SSD pulls noticeably ahead. On price the Samsung 990 Pro 4TB undercuts the Samsung 990 PRO M.2 2280 Internal SSD by 6% ($499 vs $529), which materially changes the value calculus for budget-conscious buyers.

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Samsung 990 PRO M.2 2280 Internal SSD clearly outperforms the Samsung 990 Pro 4TB in the ssd storage category, especially in battery life, scoring 54 vs 36. If you want the better overall ssd storage, Samsung 990 PRO M.2 2280 Internal SSD is the recommended choice.
Picking Samsung 990 PRO M.2 2280 Internal SSD over Samsung 990 Pro 4TB means trading these off.
Specs are roughly matched — winner decided on overall scoring, not a specific spec advantage.
$499
Scores are relative within the ssd storagecategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Samsung 990 Pro 4TB | Samsung 990 PRO M.2 2280 Internal SSDW |
|---|---|---|
| Price | 499$✓ | 529$ |
| Storage | — | 4000GB |
| Weight | — | 9g |
| Dimensions | — | 80 x 22 x 2.3 mm |
Buy Samsung 990 Pro 4TB if…
The Samsung 990 Pro 4TB is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Samsung 990 PRO M.2 2280 Internal SSD if…
Buy the Samsung 990 PRO M.2 2280 Internal SSD if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Samsung 990 PRO M.2 2280 Internal SSD clearly outperforms the Samsung 990 Pro 4TB in the ssd storage category, especially in battery life, scoring 54 vs 36. If you want the better overall ssd storage, Samsung 990 PRO M.2 2280 Internal SSD is the recommended choice.
No, Samsung 990 PRO M.2 2280 Internal SSD scores higher (54 vs 36).
Samsung 990 Pro 4TB is cheaper at $499 vs $529 for the Samsung 990 PRO M.2 2280 Internal SSD.
The Samsung 990 Pro 4TB is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the Samsung 990 PRO M.2 2280 Internal SSD if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Reviewed by VersusMatrix Editorial Team
Last updated: May 11, 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.