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be quiet! Pure Power 12 550W vs Seasonic Prime 1000 Platinum: Comparison
be quiet! Pure Power 12 550W and Seasonic Prime 1000 Platinum separate most on pcie 8-pin connectors: be quiet! Pure Power 12 550W at 2, Seasonic Prime 1000 Platinum at 6, 67% in favour of Seasonic Prime 1000 Platinum. Wattage splits them by another 45%, again favouring Seasonic Prime 1000 Platinum. They match on 4 other specifications, including form factor, single +12v rail and colour.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Seasonic |
| Wattage | 550 W-45% | 1000 W |
| 80 PLUS Rating | Gold | Platinum |
| ATX Standard | ATX 3.1 | ATX 2.x |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 45.8 A | 83 A |
| Single +12V Rail | Yes | Yes |
| 12V-2x6 Connectors | 1 | 0 |
| Zero-RPM Mode | No | Yes |
| Sleeved Cables | Yes | No |
| PCIe 8-pin Connectors | 2-67% | 6 |
| 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, 2x EPS 4+4-pin, 6x PCIe 6+2-pin, 14x SATA, 5x Molex |
| Fan Size | 120 mm | 135 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 135mm fluid dynamic bearing |
| OEM / Platform | HEC | Seasonic |
| EPS 8-pin Connectors | 1 | 2 |
| SATA Connectors | 5 | 14 |
| Molex Connectors | 1 | 5 |
| Length | 160 mm | 170 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Fluid Dynamic |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years-17% | 12 years |
| Model | Pure Power 12 550W | Prime PX-1000 (Prime 1000 Platinum) |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://seasonic.com/prime-px/ |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Seasonic Prime 1000 Platinum |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| 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.
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