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be quiet! Pure Power 12 550W vs Lian Li Edge 850W Gold: Comparison
be quiet! Pure Power 12 550W and Lian Li Edge 850W Gold separate most on wattage: be quiet! Pure Power 12 550W at 550 W, Lian Li Edge 850W Gold at 850 W, 35% in favour of Lian Li Edge 850W Gold. PCIe 8-pin Connectors splits them by another 33%, again favouring Lian Li Edge 850W Gold. They match on 11 other specifications, including 80 plus rating, atx standard and form factor. On price, be quiet! Pure Power 12 550W sits at $74.99 against $129.99 for Lian Li Edge 850W Gold.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Lian Li |
| 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 | 70.8 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-2% | 17 ms |
| Zero-RPM Mode | No | Yes |
| Sleeved Cables | Yes | No |
| 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 12V-2x6 (450W), 3x PCIe 6+2-pin, 12x SATA, 4x Molex |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm FDB fan |
| OEM / Platform | HEC | Zhurong/Enhance-derived platform |
| EPS 8-pin Connectors | 1 | 1 |
| SATA Connectors | 5 | 12 |
| Molex Connectors | 1 | 4 |
| Cable Lengths | 24-pin 600mm, max cable length 550mm | 24-pin 620mm, EPS 750mm, 12V-2x6 650mm, PCIe 650mm+100mm, SATA varies |
| Length | 160 mm | 182 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 | 10 years |
| Model | Pure Power 12 550W | Edge Gold 850W |
| Typical Price | $74.99 | $129.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://lian-li.com/product/edge-gold/ |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Lian Li Edge 850W Gold |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Newegg | View on Newegg | |
| Consumercarts listing | $129.99 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.
Lian Li Edge 850W Gold
8.2 / 10 Expert Rating
Lian Li's first PSU line pairs a native ATX 3.0 12V-2x6 cable with the brand's usual case-matching black finish, aimed at builders assembling an all-Lian-Li rig around a Lancool or O11 case.
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