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be quiet! Pure Power 12 550W vs Deepcool PK750D: Comparison
be quiet! Pure Power 12 550W and Deepcool PK750D separate most on warranty: be quiet! Pure Power 12 550W at 10 years, Deepcool PK750D at 2 years, 80% in favour of be quiet! Pure Power 12 550W. Wattage splits them by another 27%, this time favouring Deepcool PK750D. They match on 7 other specifications, including form factor, single +12v rail and zero-rpm mode. On price, Deepcool PK750D sits at $54.99 against $74.99 for be quiet! Pure Power 12 550W.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Deepcool |
| Wattage | 550 W-27% | 750 W |
| 80 PLUS Rating | Gold | Bronze |
| 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 |
| 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, 2x EPS 4+4, 2x PCIe 6+2-pin, 4x SATA, 4x Molex (all fixed) |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm Hydro bearing |
| OEM / Platform | HEC | HuntKey |
| EPS 8-pin Connectors | 1 | 2 |
| SATA Connectors | 5 | 4 |
| Molex Connectors | 1 | 4 |
| Cable Lengths | 24-pin 600mm, max cable length 550mm | 24-pin 500mm, EPS 500mm, PCIe 450mm, SATA 500mm |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Hydro |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Non-Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, SCP, OTP |
| Warranty | 10 years | 2 years-80% |
| Model | Pure Power 12 550W | PK750D |
| Typical Price | $74.99 | $54.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://www.deepcool.com/products/PowerSupplyUnits/powersupplyunits/PK750D-80-PLUS-Bronze-Power-Supply/2022/15609.shtml |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Deepcool PK750D |
|---|---|---|
| Amazon | $74.99 View on Amazon | $54.99 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.
Deepcool PK750D
6 / 10 Expert Rating
The cheapest way to 750W of Bronze power here, but the short 2-year warranty makes it a last-resort pick rather than a first choice.
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