Looking for an honest Asustor Drivestor 4 Pro vs Western Digital PR4100 comparison in 2026? We scored both nas 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 Asustor Drivestor 4 Pro comes out ahead 54/100 to 49/100 — a 5-point gap. The widest gap is in performance, where the Asustor Drivestor 4 Pro pulls noticeably ahead. On price the Asustor Drivestor 4 Pro undercuts the Western Digital PR4100 by 50% ($399 vs $599), which materially changes the value calculus for budget-conscious buyers.

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Asustor Drivestor 4 Pro narrowly beats the Western Digital PR4100 in the nas storage category, especially in value ($399 vs $599), scoring 54 vs 49. If you want the better overall nas storage, Asustor Drivestor 4 Pro is the recommended choice.
Picking Asustor Drivestor 4 Pro over Western Digital PR4100 means trading these off.
Nothing meaningful — specs are roughly matched
Asustor
$399
Scores are relative within the nas storagecategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
| Spec | Asustor Drivestor 4 ProW | Western Digital PR4100 |
|---|---|---|
| Price | 399$✓ | 599$ |
| RAM | 4GB | 4GB |
| OS | ADM 4.0 | My Cloud OS 3 |
| Weight | 1100g | 1100g |
| Dimensions | 200 x 180 x 220 mm | 170 x 150 x 220 mm |
| Colors | Black | Black |
Buy Asustor Drivestor 4 Pro if…
Buy the Asustor Drivestor 4 Pro if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Western Digital PR4100 if…
The Western Digital PR4100 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Asustor Drivestor 4 Pro narrowly beats the Western Digital PR4100 in the nas storage category, especially in value ($399 vs $599), scoring 54 vs 49. If you want the better overall nas storage, Asustor Drivestor 4 Pro is the recommended choice.
Yes, Asustor Drivestor 4 Pro scores higher overall (54 vs 49).
Asustor Drivestor 4 Pro is cheaper at $399 vs $599 for the Western Digital PR4100.
Buy the Asustor Drivestor 4 Pro if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Western Digital PR4100 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Reviewed by VersusMatrix Editorial Team
Last updated: May 10, 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.