Corsair CX650 550W vs SilverStone ET-HG Essential 550W
CorsairCX650 550W550 W · ATX · 80 Plus Bronze
SilverStoneET-HG Essential 550W550 W · ATX · 80 Plus GoldLeads on Efficiency
In short
SilverStone ET-HG Essential 550W is at least the equal of the other on every measure that decides this, and ahead on at least one.
| Specification | CorsairCX650 550W | SilverStoneET-HG Essential 550W |
|---|---|---|
| Wattage (W) | 550 | 550 |
| Form factor | ATX | ATX |
| Efficiency | 80 Plus Bronze | 80 Plus Goldbetter |
| Current best price | £47.99at Amazon.co.uk · captured 2026-09-13 | — |
How these two compare
Efficiency
Corsair CX650 550W carries an 80 Plus Bronze rating; SilverStone ET-HG Essential 550W 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
SilverStone ET-HG Essential 550W. It gives up nothing to the other on the measures the site tracks and leads on at least one, so there is no trade to weigh — the sections above show where the margin is.
Common questions about this pair
- Which is more efficient, Corsair CX650 550W or SilverStone ET-HG Essential 550W?
- Corsair CX650 550W carries an 80 Plus Bronze rating; SilverStone ET-HG Essential 550W 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 Corsair CX650 550W or SilverStone ET-HG Essential 550W?
- SilverStone ET-HG Essential 550W. It gives up nothing to the other on the measures the site tracks and leads on at least one, so there is no trade to weigh — the sections above show where the margin is.