Consumercarts is reader-supported. Learn more
be quiet! Pure Power 12 550W vs Corsair CX650M: Comparison
be quiet! Pure Power 12 550W vs Corsair CX650M warranty compared
Start with warranty, because it is the widest measured gap between them: be quiet! Pure Power 12 550W 10 years against Corsair CX650M 5 years, 50% in favour of be quiet! Pure Power 12 550W. Add wattage to that, 550 W on the be quiet! Pure Power 12 550W versus 650 W on the Corsair CX650M, and the pattern holds.
Which should you buy, be quiet! Pure Power 12 550W or Corsair CX650M?
The be quiet! Pure Power 12 550W is the one to take for Quiet mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is not the pick for anyone wanting fully modular cables and high-end or multi-GPU builds. 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 built for builds needing more than 650W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. Our rating of the be quiet! Pure Power 12 550W (7.8/10): A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.
be quiet! Pure Power 12 550W vs Corsair CX650M price
The be quiet! Pure Power 12 550W asks 7% more, $74.99 against $69.99 for the Corsair CX650M.
What be quiet! Pure Power 12 550W and Corsair CX650M have in common
Everything else lines up. Fan size, form factor, single +12v rail, zero-rpm mode and pcie 8-pin connectors read the same on both, so those are not worth weighing. They match on 3 further specifications as well.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Corsair CX650M differ on 80 plus rating?
Yes. 80 PLUS Rating reads Gold on the be quiet! Pure Power 12 550W versus Bronze on the Corsair CX650M.
Is the Colour the same on the be quiet! Pure Power 12 550W and Corsair CX650M?
It is. Both are listed at Black, so it is not a reason to pick one over the other.
Which is cheaper, be quiet! Pure Power 12 550W or Corsair CX650M?
The be quiet! Pure Power 12 550W asks 7% more, $74.99 against $69.99 for the Corsair CX650M.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Corsair CX650M
- Corsair
Wattage
- be quiet! Pure Power 12 550W
- 550 W-15%
- Corsair CX650M
- 650 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Corsair CX650M
- Bronze
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Corsair CX650M
- CX650M
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Corsair CX650M
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Corsair CX650M
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Corsair CX650M
- 54 A
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- Corsair CX650M
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair CX650M
- 0
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Corsair CX650M
- No
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Corsair CX650M
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2
- Corsair CX650M
- 2
Connector Count
- be quiet! Pure Power 12 550W
- 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed)
- 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 550W
- 120 mm
- Corsair CX650M
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Corsair CX650M
- 120mm rifle bearing (HA1225H12F-Z)
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- Corsair CX650M
- CWT
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair CX650M
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- Corsair CX650M
- 6
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair CX650M
- 4
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Corsair CX650M
- 140 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Corsair CX650M
- Black
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- Corsair CX650M
- Rifle
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Corsair CX650M
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Corsair CX650M
- Semi-Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Corsair CX650M
- OCP, OVP, OPP, SCP, OTP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Corsair CX650M
- 69.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 yearsBest
- Corsair CX650M
- 5 years-50%
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher PCIe 8-pin connectors (2 vs 2), the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 5 years).
Choose Corsair CX650M if you want the higher wattage (650 W vs 550 W).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Corsair CX650M |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| 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 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.
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.




