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be quiet! Pure Power 12 550W vs Corsair HX1500i: Comparison
What is the difference between be quiet! Pure Power 12 550W and Corsair HX1500i?
Wattage is where these two genuinely part company, be quiet! Pure Power 12 550W 550 W against Corsair HX1500i 1500 W, a 63% lead for Corsair HX1500i. Add pcie 8-pin connectors to that, 2 on the be quiet! Pure Power 12 550W versus 7 on the Corsair HX1500i, and the pattern holds. Add hold-up time to that, 16.6 ms on the be quiet! Pure Power 12 550W versus 21.8 ms on the Corsair HX1500i, and the pattern holds.
Who each one is for
Buy the be quiet! Pure Power 12 550W for 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 HX1500i suits builders targeting an extreme multi-GPU or high-core-count workstation and anyone who wants fully modular cabling with native 12V-2x6 support, though it is not the pick for builds needing more than 1500W 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 HX1500i price
At the last price check the be quiet! Pure Power 12 550W was $74.99 and the Corsair HX1500i $380, a 407% premium.
What be quiet! Pure Power 12 550W and Corsair HX1500i have in common
Where they agree, they agree completely, warranty, atx standard, form factor, pcie cem standard and 12v-2x6 connectors included, so the decision does not turn on any of those. They match on 2 further specifications as well.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Corsair HX1500i differ on fan size?
Yes. Fan Size reads 120 mm on the be quiet! Pure Power 12 550W versus 140 mm on the Corsair HX1500i.
Is the Colour the same on the be quiet! Pure Power 12 550W and Corsair HX1500i?
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 550W
- be quiet!
- Corsair HX1500i
- Corsair
Wattage
- be quiet! Pure Power 12 550W
- 550 W-63%
- Corsair HX1500i
- 1500 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Corsair HX1500i
- Platinum
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Corsair HX1500i
- HX1500i
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Corsair HX1500i
- ATX 3.1
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Corsair HX1500i
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Corsair HX1500i
- 125 A
PCIe CEM Standard
- be quiet! Pure Power 12 550W
- PCIe 5.1
- Corsair HX1500i
- PCIe 5.1
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair HX1500i
- 1
Hold-Up Time
- be quiet! Pure Power 12 550W
- 16.6 ms-24%
- Corsair HX1500i
- 21.8 ms
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Corsair HX1500i
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Corsair HX1500i
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-71%
- Corsair HX1500i
- 7
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 HX1500i
- 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6, 7x PCIe 6+2-pin, 8x SATA, 8x Molex
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- Corsair HX1500i
- 140 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Corsair HX1500i
- 140mm NR140P, fluid dynamic bearing
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- Corsair HX1500i
- CWT
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair HX1500i
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- Corsair HX1500i
- 8
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- Corsair HX1500i
- 8
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- Corsair HX1500i
- ATX 600mm, EPS 650mm, PCIe 650mm and 670+100mm, 12V-2x6 650mm, SATA 460+115+115+115mm, Molex 450+100+100+100mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Corsair HX1500i
- 200 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Corsair HX1500i
- Black
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- Corsair HX1500i
- Fluid Dynamic
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Corsair HX1500i
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Corsair HX1500i
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Corsair HX1500i
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Corsair HX1500i
- 379.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years
- Corsair HX1500i
- 10 years
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher 12V-2x6 connectors (1 vs 1), the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 10 years).
Choose Corsair HX1500i if you want the higher wattage (1500 W vs 550 W), the higher Hold-Up time (21.8 ms vs 16.6 ms) and the higher PCIe 8-pin connectors (7 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Corsair HX1500i |
|---|---|---|
| Amazon | $74.99 View on Amazon | View on Amazon |
| Newegg | $379.99 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 HX1500i
8.8 / 10 Expert Rating
A best-in-class 1500W Platinum-rated ATX unit for an extreme multi-GPU or high-core-count workstation, held back only by its premium price.




