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be quiet! Pure Power 12 550W vs Seasonic Core GM-650: Comparison
be quiet! Pure Power 12 550W and Seasonic Core GM-650 separate most on warranty: be quiet! Pure Power 12 550W at 10 years, Seasonic Core GM-650 at 7 years, 30% in favour of be quiet! Pure Power 12 550W. Wattage splits them by another 15%, this time favouring Seasonic Core GM-650. They match on 8 other specifications, including 80 plus rating, form factor and single +12v rail. On price, be quiet! Pure Power 12 550W sits at $74.99 against $79.99 for Seasonic Core GM-650.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Seasonic |
| Wattage | 550 W-15% | 650 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.1 | ATX 2.x |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | Yes |
| 12V-2x6 Connectors | 1 | 0 |
| 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, 3x Molex |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm sleeve bearing with Smart and Silent Fan Control |
| OEM / Platform | HEC | Seasonic in-house |
| SATA Connectors | 5 | 6 |
| Molex Connectors | 1 | 3 |
| Cable Lengths | 24-pin 600mm, max cable length 550mm | 24-pin 500mm, EPS 500mm, PCIe 450mm, SATA 500-650mm |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Sleeve |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Semi-Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 7 years-30% |
| Model | Pure Power 12 550W | Core GM-650 |
| Typical Price | $74.99 | $79.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://seasonic.com/core-gm/ |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Seasonic Core GM-650 |
|---|---|---|
| Amazon | $74.99 View on Amazon | $79.99 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.
Seasonic Core GM-650
7.6 / 10 Expert Rating
The cheapest legitimate route to 80 PLUS Gold in Seasonic's lineup, good for mainstream builds that don't need full modularity.
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