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be quiet! Pure Power 12 850W vs Seasonic Vertex GX-850: Comparison
be quiet! Pure Power 12 850W and Seasonic Vertex GX-850 separate most on pcie 8-pin connectors: be quiet! Pure Power 12 850W at 3, Seasonic Vertex GX-850 at 4, 25% in favour of Seasonic Vertex GX-850. They match on 5 other specifications, including wattage, 80 plus rating and form factor. On price, be quiet! Pure Power 12 850W sits at $94.99 against $139.99 for Seasonic Vertex GX-850.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Seasonic |
| Wattage | 850 W | 850 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.1 | ATX 3.0 |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | true |
| 12V-2x6 Connectors | 1 | 1 |
| Zero-RPM Mode | No | true |
| Sleeved Cables | Yes | No, flat ribbon/standard cables |
| PCIe 8-pin Connectors | 3-25% | 4 |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 6x SATA, 1x Molex | 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6 (600W), 4x PCIe 6+2-pin, 8x SATA, 3x Molex |
| Fan Size | 120 mm | 135 |
| Fan Model / Bearing | 120mm rifle bearing, 4-pole motor | 135mm fluid dynamic bearing, Hybrid Silent fan control |
| OEM / Platform | HEC | Seasonic (in-house) |
| Japanese Capacitors | No | true |
| Length | 160 mm | 140 |
| Colour | Black | Black |
| MTBF | 100000 hours | 100000 |
| Modularity | Non-Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 10 |
| Model | Pure Power 12 850W | Vertex GX-850 |
| Typical Price | $94.99 | $139.99 |
Price comparison
| Retailer | be quiet! Pure Power 12 850W | Seasonic Vertex GX-850 |
|---|---|---|
| Consumercarts listing | $94.99 View on Consumercarts listing | $139.99 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
Seasonic Vertex GX-850
8.3 / 10 Expert Rating
A solid 850W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
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