Best Power Supplies
17 products ranked across 220 cited reviews, videos and discussions · Updated 13 Sept 2026
On the stierproducts power supplies board, be quiet! Dark Power 14 1000W ranks #1 in S tier, ahead of Seasonic Prime TX-1600 Noctua Edition (#2, A tier) and be quiet! Pure Power 13 M 850W (#3, A tier). The board ranks 17 power supplies from S (best) to F (avoid), last researched 13 Sept 2026, drawing on 220 cited reviews, videos and discussions. Placed in the bottom tiers as ones to avoid: NZXT C850 SFX Gold, Asus ROG Strix Platinum 1000W White Edition, EVGA SuperNOVA 850 G5, and 3 others.
#14 3 of 8 research runs entered this as a product to avoid rather than a pick. EVGA SuperNOVA 850 G5
#15 5 of 7 research runs entered this as a product to avoid rather than a pick. Corsair CV650
#16 6 of 9 research runs entered this as a product to avoid rather than a pick. Gigabyte GP-P750GM
#17 5 of 8 research runs entered this as a product to avoid rather than a pick. Thermaltake Smart 700W
What moved on this board
24 tier changes recorded between 22 Jul 2026 and 14 Sept 2026. The 5 most recent are below.
- 13 Sept 2026 MSI MAG A750GL PCIE5 moved down from B to C. 2 more research games. 3 sources added.
- 13 Sept 2026 Corsair RM750e moved down from A to B. 2 more research games. 3 sources added.
- 27 Jul 2026 NZXT C850 SFX Gold moved down from C to D. 2 more research games. 1 source added, 1 removed.
- 27 Jul 2026 MSI MAG A850GL PCIE5 moved down from B to C. 1 more research game.
- 27 Jul 2026 be quiet! Dark Power 14 1000W moved up from A to S. 2 more research games. 1 source added, 1 removed.
Each line shows what else changed at the same publish. It is not a statement of cause.
Frequently asked questions
be quiet! Dark Power 14 1000W sits at #1 in the S tier of our consolidated board, ranked across independent research runs over 220 cited reviews, videos and discussions. best overall for noise, reliability, and warranty.
Seasonic Prime TX-1600 Noctua Edition ranks #2 (A tier). Unmatched efficiency and silence for the price of a high-end PSU.
Our research places NZXT C850 SFX Gold, Asus ROG Strix Platinum 1000W White Edition, EVGA SuperNOVA 850 G5, Corsair CV650, Gigabyte GP-P750GM, Thermaltake Smart 700W in the bottom tiers (D/F). NZXT C850 SFX Gold: compact, quiet, and fully-modular.
More in Computers
Cite this board as stierproducts, “Best Power Supplies”, 13 Sept 2026. Free to quote with attribution and a link (terms).
Machine-readable: markdown · JSON · how we rank
Embed this board on your own site. The frame links back here, which is the attribution the terms ask for:
<iframe src="https://stierproducts.com/embed/power-supplies" title="Best Power Supplies, ranked by stierproducts" width="100%" height="456" loading="lazy" style="border:0"></iframe>