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be quiet! Pure Power 12 M 850W vs Thermaltake Toughpower iRGB Plus 850W Platinum: Comparison
be quiet! Pure Power 12 M 850W and Thermaltake Toughpower iRGB Plus 850W Platinum differ on 80 plus rating: be quiet! Pure Power 12 M 850W at Gold, Thermaltake Toughpower iRGB Plus 850W Platinum at Platinum. They match on 6 other specifications, including wattage, form factor and sleeved cables. On price, be quiet! Pure Power 12 M 850W sits at $129.99 against $169.99 for Thermaltake Toughpower iRGB Plus 850W Platinum.

$169.99
Consumercarts listing
@ Consumercarts listing ›Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | be quiet! | Thermaltake |
| Wattage | 850 W | 850 W |
| 80 PLUS Rating | Gold | Platinum |
| ATX Standard | ATX 3.0 | ATX 2.x |
| Form Factor | ATX | ATX |
| Single +12V Rail | No | true |
| 12V-2x6 Connectors | 1 | 0 |
| Hold-Up Time | 20.6 ms | 17-17% |
| Zero-RPM Mode | No | true |
| Sleeved Cables | Yes | Yes |
| PCIe 8-pin Connectors | 4 | 4 |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12VHPWR (600W), 4x PCIe 6+2-pin, 6x SATA, 2x Molex | 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 rifle bearing (BQ QF2-12025-HS) | 140mm RGB fan, hydraulic bearing |
| OEM / Platform | HEC | Channel Well Technology |
| Cable Lengths | 24-pin 550mm, EPS 600mm, 12VHPWR 600mm, PCIe 500+150mm, SATA 500+150+150+150mm | 24-pin 600mm, EPS 650mm, PCIe 650mm, SATA 750mm |
| Length | 160 mm | 180 |
| Colour | Black | Black |
| MTBF | 100000 hours | 100000 |
| Modularity | Fully 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 M 850W | Toughpower iRGB Plus 850W Platinum |
| Typical Price | $129.99 | $169.99 |
Price comparison
| Retailer | be quiet! Pure Power 12 M 850W | Thermaltake Toughpower iRGB Plus 850W Platinum |
|---|---|---|
| Consumercarts listing | $129.99 View on 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 M 850W
8.2 / 10 Expert Rating
The 850W Pure Power 12 M tops out the modular M-series, giving budget-focused builders a native 12V-2x6 connector and Gold efficiency without stepping up to the pricier Straight Power line.
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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