Consumercarts is reader-supported. Learn more
be quiet! Pure Power 12 550W vs Corsair CX550M: Comparison
be quiet! Pure Power 12 550W and Corsair CX550M separate most on warranty: be quiet! Pure Power 12 550W at 10 years, Corsair CX550M at 5 years, 50% in favour of be quiet! Pure Power 12 550W. Hold-Up Time splits them by another 33%, again favouring be quiet! Pure Power 12 550W. They match on 11 other specifications, including wattage, form factor and +12v rail amperage. On price, Corsair CX550M sits at $54.99 against $74.99 for be quiet! Pure Power 12 550W.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Corsair |
| Wattage | 550 W | 550 W |
| 80 PLUS Rating | Gold | Bronze |
| ATX Standard | ATX 3.1 | ATX 2.x |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 45.8 A | 45.8 A |
| Single +12V Rail | Yes | Yes |
| 12V-2x6 Connectors | 1 | 0 |
| Hold-Up Time | 16.6 ms | 11.1 ms-33% |
| Zero-RPM Mode | No | No |
| Sleeved Cables | Yes | No |
| PCIe 8-pin Connectors | 2 | 2 |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed) | 1x 24-pin ATX (fixed), 1x EPS 4+4 (fixed), 2x PCIe 6+2-pin, 6x SATA, 4x Molex |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm rifle bearing (HA1225H12F-Z) |
| OEM / Platform | HEC | CWT |
| EPS 8-pin Connectors | 1 | 1 |
| SATA Connectors | 5 | 6 |
| Molex Connectors | 1 | 4 |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Rifle |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Semi-Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, SCP, OTP |
| Warranty | 10 years | 5 years-50% |
| Model | Pure Power 12 550W | CX550M |
| Typical Price | $74.99 | $54.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://www.corsair.com/us/en/p/psu/cp-9020220-na/cx-m-series-cx550m-550-watt-80-plus-bronze-semi-modular-atx-psu-cp-9020220-na |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Corsair CX550M |
|---|---|---|
| Amazon | $74.99 View on Amazon | $54.99 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
be quiet! Pure Power 12 550W
7.8 / 10 Expert Rating
A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.
Corsair CX550M
6.9 / 10 Expert Rating
A safe, unglamorous budget Bronze pick for entry-level gaming PCs that don't need Gold efficiency or full modularity.
More comparisons in Power Supplies
- be quiet! Pure Power 12 550W vs EVGA SuperNOVA 750 GT
- be quiet! Pure Power 12 550W vs Deepcool PX1000G
- be quiet! Pure Power 12 550W vs MSI MEG Ai1600T PCIE5
- ASUS ROG Loki SFX-L 750W Platinum vs Corsair CX550M
- be quiet! Pure Power 12 550W vs Silverstone SX800-LTI
- be quiet! Pure Power 12 550W vs XPG Pylon 650W