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be quiet! Pure Power 12 550W vs be quiet! Pure Power 12 850W: Comparison
be quiet! Pure Power 12 550W and be quiet! Pure Power 12 850W separate most on wattage: be quiet! Pure Power 12 550W at 550 W, be quiet! Pure Power 12 850W at 850 W, 35% in favour of be quiet! Pure Power 12 850W. PCIe 8-pin Connectors splits them by another 33%, again favouring be quiet! Pure Power 12 850W. They match on 18 other specifications, including 80 plus rating, atx standard and form factor. On price, be quiet! Pure Power 12 550W sits at $74.99 against $94.99 for be quiet! Pure Power 12 850W.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | be quiet! |
| Wattage | 550 W-35% | 850 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.1 | ATX 3.1 |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 45.8 A | 70.9 A |
| Single +12V Rail | Yes | Yes |
| PCIe CEM Standard | PCIe 5.1 | PCIe 5.1 |
| 12V-2x6 Connectors | 1 | 1 |
| Hold-Up Time | 16.6 ms-4% | 17.3 ms |
| Zero-RPM Mode | No | No |
| Sleeved Cables | Yes | Yes |
| PCIe 8-pin Connectors | 2-33% | 3 |
| 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, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 6x SATA, 1x Molex |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm rifle bearing, 4-pole motor |
| OEM / Platform | HEC | HEC |
| EPS 8-pin Connectors | 1 | 2 |
| SATA Connectors | 5 | 6 |
| Molex Connectors | 1 | 1 |
| Length | 160 mm | 160 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Rifle |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Non-Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OTP, OCP, OPP, SCP, OVP, UVP, SIP |
| Warranty | 10 years | 10 years |
| Model | Pure Power 12 550W | Pure Power 12 850W |
| Typical Price | $74.99 | $94.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://www.bequiet.com/en/powersupply/5676 |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | be quiet! Pure Power 12 850W |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Newegg | View on Newegg | |
| Consumercarts listing | $94.99 View on Consumercarts listing |
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.
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