be quiet! Pure Power 13 M 1200W vs Corsair RMx SHIFT RM1000x 1200W
be quiet!Pure Power 13 M 1200W1200 W · ATX · 80 Plus Gold
CorsairRMx SHIFT RM1000x 1200W1200 W · ATX · 80 Plus Gold
In short
be quiet! Pure Power 13 M 1200W and Corsair RMx SHIFT RM1000x 1200W land level on every measure the site tracks.
| Specification | be quiet!Pure Power 13 M 1200W | CorsairRMx SHIFT RM1000x 1200W |
|---|---|---|
| Wattage (W) | 1200 | 1200 |
| Form factor | ATX | ATX |
| Efficiency | 80 Plus Gold | 80 Plus Gold |
| Current best price | $219.90at Amazon.ca · captured 2026-09-13 | — |
How these two compare
Efficiency
be quiet! Pure Power 13 M 1200W carries an 80 Plus Gold rating; Corsair RMx SHIFT RM1000x 1200W is rated 80 Plus Gold. The rating is the 80 PLUS certification each vendor prints, measured at defined load points — a higher tier wastes less of the wall power it draws as heat, which shows up as a cooler, quieter supply and a little off the running cost.
Which to buy
Either. They come out level on every measure the site tracks, so the day's price is the tiebreaker — take whichever is cheaper when you buy.
Common questions about this pair
- Which is more efficient, be quiet! Pure Power 13 M 1200W or Corsair RMx SHIFT RM1000x 1200W?
- be quiet! Pure Power 13 M 1200W carries an 80 Plus Gold rating; Corsair RMx SHIFT RM1000x 1200W is rated 80 Plus Gold. The rating is the 80 PLUS certification each vendor prints, measured at defined load points — a higher tier wastes less of the wall power it draws as heat, which shows up as a cooler, quieter supply and a little off the running cost.
- Should you buy be quiet! Pure Power 13 M 1200W or Corsair RMx SHIFT RM1000x 1200W?
- Either. They come out level on every measure the site tracks, so the day's price is the tiebreaker — take whichever is cheaper when you buy.