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be quiet! Pure Power 12 550W vs Thermaltake Toughpower iRGB Plus 850W Platinum: Comparison
be quiet! Pure Power 12 550W and Thermaltake Toughpower iRGB Plus 850W Platinum separate most on pcie 8-pin connectors: be quiet! Pure Power 12 550W at 2, Thermaltake Toughpower iRGB Plus 850W Platinum at 4, 50% in favour of Thermaltake Toughpower iRGB Plus 850W Platinum. Wattage splits them by another 35%, again favouring Thermaltake Toughpower iRGB Plus 850W Platinum. They match on form factor, sleeved cables and colour. On price, be quiet! Pure Power 12 550W sits at $74.99 against $169.99 for Thermaltake Toughpower iRGB Plus 850W Platinum.
$169.99
Consumercarts listing
@ Consumercarts listing ›Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Thermaltake |
| Wattage | 550 W-35% | 850 W |
| 80 PLUS Rating | Gold | Platinum |
| ATX Standard | ATX 3.1 | ATX 2.x |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | true |
| 12V-2x6 Connectors | 1 | 0 |
| Hold-Up Time | 16.6 ms-2% | 17 |
| Zero-RPM Mode | No | true |
| Sleeved Cables | Yes | Yes |
| PCIe 8-pin Connectors | 2-50% | 4 |
| 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, 4x PCIe 6+2-pin, 8x SATA, 4x Molex |
| Fan Size | 120 mm | 140 |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 140mm RGB fan, hydraulic bearing |
| OEM / Platform | HEC | Channel Well Technology |
| Cable Lengths | 24-pin 600mm, max cable length 550mm | 24-pin 600mm, EPS 650mm, PCIe 650mm, SATA 750mm |
| Length | 160 mm | 180 |
| 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 550W | Toughpower iRGB Plus 850W Platinum |
| Typical Price | $74.99 | $169.99 |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Thermaltake Toughpower iRGB Plus 850W Platinum |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Newegg | View on Newegg | |
| Consumercarts listing | $169.99 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.
Thermaltake Toughpower iRGB Plus 850W Platinum
8.7 / 10 Expert Rating
Thermaltake's older but still-current iRGB Plus flagship pairs Platinum efficiency with a software-controlled RGB fan and sleeved cables, aimed at builders who want lighting alongside high efficiency.
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