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be quiet! Pure Power 12 550W vs Corsair AX1600i: Comparison
What is the difference between be quiet! Pure Power 12 550W and Corsair AX1600i?
Wattage is where these two genuinely part company, be quiet! Pure Power 12 550W 550 W against Corsair AX1600i 1600 W, a 66% lead for Corsair AX1600i. Pcie 8-pin connectors runs the same way, 2 on the be quiet! Pure Power 12 550W versus 10 on the Corsair AX1600i, another win for Corsair AX1600i. Add hold-up time to that, 16.6 ms on the be quiet! Pure Power 12 550W versus 26.7 ms on the Corsair AX1600i, and the pattern holds.
be quiet! Pure Power 12 550W vs Corsair AX1600i: which one fits your build
The be quiet! Pure Power 12 550W suits Quiet mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is the wrong buy for anyone wanting fully modular cables and high-end or multi-GPU builds. The Corsair AX1600i is the one to take for Dual/triple-GPU workstation and rendering rigs and overclockers who want per-rail digital telemetry, though it is not the pick for Single-GPU gaming builds (massive overkill) and budget-conscious buyers. It is the wrong buy for anyone wanting a native ATX 3.1 12V-2x6 cable out of the box. 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. Our rating of the Corsair AX1600i (9/10): still the digital-monitoring benchmark for extreme multi-GPU and workstation builds, docked slightly for lacking a native 12V-2x6 connector.
be quiet! Pure Power 12 550W vs Corsair AX1600i price
At the last price check the be quiet! Pure Power 12 550W was $74.99 and the Corsair AX1600i $580, a 673% premium.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Corsair AX1600i differ on fan size?
Yes. Fan Size reads 120 mm on the be quiet! Pure Power 12 550W versus 140 mm on the Corsair AX1600i.
Is the Warranty the same on the be quiet! Pure Power 12 550W and Corsair AX1600i?
It is. Both are listed at 10 years, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Corsair AX1600i
- Corsair
Wattage
- be quiet! Pure Power 12 550W
- 550 W-66%
- Corsair AX1600i
- 1600 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Corsair AX1600i
- Titanium
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Corsair AX1600i
- AX1600i
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Corsair AX1600i
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Corsair AX1600i
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Corsair AX1600i
- 133.3 A
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair AX1600i
- 0
Hold-Up Time
- be quiet! Pure Power 12 550W
- 16.6 ms-38%
- Corsair AX1600i
- 26.7 ms
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Corsair AX1600i
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Corsair AX1600i
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-80%
- Corsair AX1600i
- 10
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 AX1600i
- 1x 24-pin ATX, 2x EPS 4+4, 10x PCIe 6+2-pin, 16x SATA, 9x Molex, 2x FDD adapter
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- Corsair AX1600i
- 140 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Corsair AX1600i
- 140mm NR140P, fluid dynamic bearing
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair AX1600i
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- Corsair AX1600i
- 16
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair AX1600i
- 9
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- Corsair AX1600i
- 24-pin 600mm, EPS 650mm, PCIe 650mm and 680+100mm, SATA 450+110+110+110mm and 550+110mm, Molex 450+100+100mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Corsair AX1600i
- 200 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Corsair AX1600i
- Black
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- Corsair AX1600i
- Fluid Dynamic
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Corsair AX1600i
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Corsair AX1600i
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Corsair AX1600i
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Corsair AX1600i
- 579.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years
- Corsair AX1600i
- 10 years
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 10 years).
Choose Corsair AX1600i if you want the higher wattage (1600 W vs 550 W), the higher Hold-Up time (26.7 ms vs 16.6 ms) and the higher PCIe 8-pin connectors (10 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Corsair AX1600i |
|---|---|---|
| Amazon | $74.99 View on Amazon | $579.99 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 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 AX1600i
9 / 10 Expert Rating
Still the digital-monitoring benchmark for extreme multi-GPU and workstation builds, docked slightly for lacking a native 12V-2x6 connector.




