Consumercarts is reader-supported. Learn more
be quiet! Pure Power 12 M 750W vs Corsair CX650M: Comparison
be quiet! Pure Power 12 M 750W vs Corsair CX650M: the warranty difference
Start with warranty, because it is the widest measured gap between them: be quiet! Pure Power 12 M 750W 10 years against Corsair CX650M 5 years, 50% in favour of be quiet! Pure Power 12 M 750W. Add wattage to that, 750 W on the be quiet! Pure Power 12 M 750W versus 650 W on the Corsair CX650M, and the pattern holds.
Which should you buy, be quiet! Pure Power 12 M 750W or Corsair CX650M?
The be quiet! Pure Power 12 M 750W is the one to take for anyone who wants fully modular cabling with native 12V-2x6 support and systems where a 5-year warranty and Gold-tier efficiency matter, though it is the wrong buy for builds needing more than 750W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. It also earns its place with builders targeting a popular RTX 4070 Ti / RTX 5070-class gaming build. Buy the Corsair CX650M for builders targeting a mainstream single-GPU gaming build and anyone who wants semi-modular cabling with standard PCIe connectors, though it is not the pick for builds needing more than 650W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint.
be quiet! Pure Power 12 M 750W vs Corsair CX650M price
At the last price check the Corsair CX650M was $69.99 and the be quiet! Pure Power 12 M 750W $99.99, a 43% premium.
What be quiet! Pure Power 12 M 750W and Corsair CX650M have in common
The common ground is wider than the gap: fan size, form factor, zero-rpm mode, pcie 8-pin connectors and eps 8-pin connectors are identical here. They match on 3 further specifications as well.
Frequently asked questions
Do the be quiet! Pure Power 12 M 750W and Corsair CX650M differ on modularity?
Yes. Modularity reads Fully Modular on the be quiet! Pure Power 12 M 750W versus Semi-Modular on the Corsair CX650M.
Is the Colour the same on the be quiet! Pure Power 12 M 750W and Corsair CX650M?
It is. Both are listed at Black, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 M 750W
- be quiet!
- Corsair CX650M
- Corsair
Wattage
- be quiet! Pure Power 12 M 750W
- 750 WBest
- Corsair CX650M
- 650 W-13%
80 PLUS Rating
- be quiet! Pure Power 12 M 750W
- Gold
- Corsair CX650M
- Bronze
Model Number
- be quiet! Pure Power 12 M 750W
- Pure Power 12 M 750W
- Corsair CX650M
- CX650M
ATX Standard
- be quiet! Pure Power 12 M 750W
- ATX 3.0
- Corsair CX650M
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 M 750W
- ATX
- Corsair CX650M
- ATX
Single +12V Rail
- be quiet! Pure Power 12 M 750W
- No
- Corsair CX650M
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 M 750W
- 1
- Corsair CX650M
- 0
Zero-RPM Mode
- be quiet! Pure Power 12 M 750W
- No
- Corsair CX650M
- No
Sleeved Cables
- be quiet! Pure Power 12 M 750W
- Yes
- Corsair CX650M
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 M 750W
- 2
- Corsair CX650M
- 2
Connector Count
- be quiet! Pure Power 12 M 750W
- 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12VHPWR (600W), 2x PCIe 6+2-pin, 5x SATA, 2x Molex
- Corsair CX650M
- 1x 24-pin ATX (fixed), 2x EPS 4+4 (1 fixed, 1 modular), 2x PCIe 6+2-pin, 6x SATA, 4x Molex
Fan Size
- be quiet! Pure Power 12 M 750W
- 120 mm
- Corsair CX650M
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 M 750W
- 120mm rifle bearing
- Corsair CX650M
- 120mm rifle bearing (HA1225H12F-Z)
EPS 8-pin Connectors
- be quiet! Pure Power 12 M 750W
- 2
- Corsair CX650M
- 2
SATA Connectors
- be quiet! Pure Power 12 M 750W
- 5
- Corsair CX650M
- 6
Molex Connectors
- be quiet! Pure Power 12 M 750W
- 2
- Corsair CX650M
- 4
Length
- be quiet! Pure Power 12 M 750W
- 160 mm
- Corsair CX650M
- 140 mm
Colour
- be quiet! Pure Power 12 M 750W
- Black
- Corsair CX650M
- Black
Fan Bearing
- be quiet! Pure Power 12 M 750W
- Rifle
- Corsair CX650M
- Rifle
MTBF
- be quiet! Pure Power 12 M 750W
- 100000 hours
- Corsair CX650M
- 100000 hours
Modularity
- be quiet! Pure Power 12 M 750W
- Fully Modular
- Corsair CX650M
- Semi-Modular
Protections
- be quiet! Pure Power 12 M 750W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Corsair CX650M
- OCP, OVP, OPP, SCP, OTP
Price
- be quiet! Pure Power 12 M 750W
- 99.99 USD
- Corsair CX650M
- 69.99 USD
Warranty
- be quiet! Pure Power 12 M 750W
- 10 yearsBest
- Corsair CX650M
- 5 years-50%
Which one should you pick?
Choose be quiet! Pure Power 12 M 750W if you want the higher wattage (750 W vs 650 W), the higher PCIe 8-pin connectors (2 vs 2) and the higher MTBF (100000 hours vs 100000 hours).
Choose Corsair CX650M if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | be quiet! Pure Power 12 M 750W | Corsair CX650M |
|---|---|---|
| Consumercarts listing | $99.99 View on Consumercarts listing | |
| Newegg | $69.99 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 M 750W
8.2 / 10 Expert Rating
A solid 750W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
Corsair CX650M
7 / 10 Expert Rating
A solid 650W Bronze-rated ATX unit for a mainstream single-GPU gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.




