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be quiet! Pure Power 12 M 850W vs Corsair RM750e: Comparison
What is the difference between be quiet! Pure Power 12 M 850W and Corsair RM750e?
Start with wattage, because it is the widest measured gap between them: be quiet! Pure Power 12 M 850W 850 W against Corsair RM750e 750 W, 12% in favour of be quiet! Pure Power 12 M 850W. be quiet! Pure Power 12 M 850W also leads on warranty, 10 years on the be quiet! Pure Power 12 M 850W versus 7 years on the Corsair RM750e. be quiet! Pure Power 12 M 850W also leads on hold-up time, 20.6 ms on the be quiet! Pure Power 12 M 850W versus 16.7 ms on the Corsair RM750e.
Who each one is for
Buy the be quiet! Pure Power 12 M 850W for high-end single-GPU gaming builds (RTX 4080/4090-class cards) and builders who want Gold-tier efficiency with future GPU upgrade headroom, though it is the wrong buy for budget builds where a 550-650W unit would be sufficient and extreme dual-GPU or workstation rigs needing 1200W+. The Corsair RM750e suits Quiet builds where fan-off idle and light-load silence matters and single RTX 5070 Ti-class GPU builds on a budget, though it is not the pick for RTX 5080 or 5090 builds, wattage isn't enough. It is not the one for RX 9070 XT builds needing 3 PCIe 8-pin connectors without checking cable count first.
be quiet! Pure Power 12 M 850W vs Corsair RM750e price
The be quiet! Pure Power 12 M 850W asks 44% more, $130 against $89.99 for the Corsair RM750e.
Frequently asked questions
Do the be quiet! Pure Power 12 M 850W and Corsair RM750e differ on atx standard?
Yes. ATX Standard reads ATX 3.0 on the be quiet! Pure Power 12 M 850W versus ATX 3.1 on the Corsair RM750e.
Is the Modularity the same on the be quiet! Pure Power 12 M 850W and Corsair RM750e?
It is. Both are listed at Fully Modular, so it is not a reason to pick one over the other.
Which is cheaper, be quiet! Pure Power 12 M 850W or Corsair RM750e?
The be quiet! Pure Power 12 M 850W asks 44% more, $130 against $89.99 for the Corsair RM750e.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 M 850W
- be quiet!
- Corsair RM750e
- Corsair
Wattage
- be quiet! Pure Power 12 M 850W
- 850 WBest
- Corsair RM750e
- 750 W-12%
80 PLUS Rating
- be quiet! Pure Power 12 M 850W
- Gold
- Corsair RM750e
- Gold
Model Number
- be quiet! Pure Power 12 M 850W
- Pure Power 12 M 850W
- Corsair RM750e
- CP-9020295-NA (black) / CP-9020292-NA (white)
ATX Standard
- be quiet! Pure Power 12 M 850W
- ATX 3.0
- Corsair RM750e
- ATX 3.1
Form Factor
- be quiet! Pure Power 12 M 850W
- ATX
- Corsair RM750e
- ATX
Single +12V Rail
- be quiet! Pure Power 12 M 850W
- No
- Corsair RM750e
- Yes
Cybenetics Efficiency
- be quiet! Pure Power 12 M 850W
- Platinum
- Corsair RM750e
- Gold
Cybenetics Noise
- be quiet! Pure Power 12 M 850W
- A-
- Corsair RM750e
- A
PCIe CEM Standard
- be quiet! Pure Power 12 M 850W
- PCIe 5.0
- Corsair RM750e
- PCIe 5.1
12V-2x6 Connectors
- be quiet! Pure Power 12 M 850W
- 1
- Corsair RM750e
- 1
Hold-Up Time
- be quiet! Pure Power 12 M 850W
- 20.6 ms
- Corsair RM750e
- 16.7 ms-19%
Zero-RPM Mode
- be quiet! Pure Power 12 M 850W
- No
- Corsair RM750e
- Yes
Sleeved Cables
- be quiet! Pure Power 12 M 850W
- Yes
- Corsair RM750e
- No
Connector Count
- be quiet! Pure Power 12 M 850W
- 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12VHPWR (600W), 4x PCIe 6+2-pin, 6x SATA, 2x Molex
- Corsair RM750e
- 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6, 6x SATA, 2x Molex
Fan Size
- be quiet! Pure Power 12 M 850W
- 120 mm
- Corsair RM750e
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 M 850W
- 120mm rifle bearing (BQ QF2-12025-HS)
- Corsair RM750e
- Rifle
OEM / Platform
- be quiet! Pure Power 12 M 850W
- HEC
- Corsair RM750e
- HEC
EPS 8-pin Connectors
- be quiet! Pure Power 12 M 850W
- 2
- Corsair RM750e
- 2
SATA Connectors
- be quiet! Pure Power 12 M 850W
- 6
- Corsair RM750e
- 6
Molex Connectors
- be quiet! Pure Power 12 M 850W
- 2
- Corsair RM750e
- 2
Cable Lengths
- be quiet! Pure Power 12 M 850W
- 24-pin 550mm, EPS 600mm, 12VHPWR 600mm, PCIe 500+150mm, SATA 500+150+150+150mm
- Corsair RM750e
- 24-pin 610mm, EPS 750-850mm, 12V-2x6 650mm
Length
- be quiet! Pure Power 12 M 850W
- 160 mm
- Corsair RM750e
- 140 mm
Colour
- be quiet! Pure Power 12 M 850W
- Black
- Corsair RM750e
- Black
MTBF
- be quiet! Pure Power 12 M 850W
- 100000 hours
- Corsair RM750e
- 100000 hours
Modularity
- be quiet! Pure Power 12 M 850W
- Fully Modular
- Corsair RM750e
- Fully Modular
Protections
- be quiet! Pure Power 12 M 850W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Corsair RM750e
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 M 850W
- 129.99 USD
- Corsair RM750e
- 89.99 USD
Warranty
- be quiet! Pure Power 12 M 850W
- 10 yearsBest
- Corsair RM750e
- 7 years-30%
Which one should you pick?
Choose be quiet! Pure Power 12 M 850W if you want the higher wattage (850 W vs 750 W), the higher 12V-2x6 connectors (1 vs 1) and the higher Hold-Up time (20.6 ms vs 16.7 ms).
Choose Corsair RM750e if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | be quiet! Pure Power 12 M 850W | Corsair RM750e |
|---|---|---|
| Amazon | $129.99 View on Amazon | $89.99 View on Amazon |
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.
Corsair RM750e
8 / 10 Expert Rating
The quietest thing at this money by a real margin, but MSI gives you a better fan, more cables and three more years of warranty for five dollars.