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be quiet! Straight Power 12 1500W vs Corsair HX1500i: Comparison
What is the difference between be quiet! Straight Power 12 1500W and Corsair HX1500i?
Fan size is the dividing line, be quiet! Straight Power 12 1500W 135 mm against Corsair HX1500i 140 mm. be quiet! Straight Power 12 1500W also leads on 12v-2x6 connectors, 2 on the be quiet! Straight Power 12 1500W versus 1 on the Corsair HX1500i. Corsair HX1500i also leads on pcie 8-pin connectors, 4 on the be quiet! Straight Power 12 1500W versus 7 on the Corsair HX1500i.
Which should you buy, be quiet! Straight Power 12 1500W or Corsair HX1500i?
The be quiet! Straight Power 12 1500W is the one to take for 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 the wrong buy for builds needing more than 1500W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. Buy the Corsair HX1500i for 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.
What be quiet! Straight Power 12 1500W and Corsair HX1500i have in common
Where they agree, they agree completely, wattage, modularity, warranty, 80 plus rating and form factor included, so the decision does not turn on any of those. They match on 7 further specifications as well.
be quiet! Straight Power 12 1500W vs Corsair HX1500i price
The Corsair HX1500i asks 27% more, $380 against $300 for the be quiet! Straight Power 12 1500W.
Frequently asked questions
Do the be quiet! Straight Power 12 1500W and Corsair HX1500i differ on hold-up time?
Yes. Hold-Up Time reads 20.1 ms on the be quiet! Straight Power 12 1500W versus 21.8 ms on the Corsair HX1500i.
Is the +12V Rail Amperage the same on the be quiet! Straight Power 12 1500W and Corsair HX1500i?
It is. Both are listed at 125 A, so it is not a reason to pick one over the other.
Which is cheaper, be quiet! Straight Power 12 1500W or Corsair HX1500i?
The Corsair HX1500i asks 27% more, $380 against $300 for the be quiet! Straight Power 12 1500W.
Specs and benchmarks
Brand
- be quiet! Straight Power 12 1500W
- be quiet!
- Corsair HX1500i
- Corsair
Wattage
- be quiet! Straight Power 12 1500W
- 1500 W
- Corsair HX1500i
- 1500 W
80 PLUS Rating
- be quiet! Straight Power 12 1500W
- Platinum
- Corsair HX1500i
- Platinum
Model Number
- be quiet! Straight Power 12 1500W
- Straight Power 12 1500W
- Corsair HX1500i
- HX1500i
ATX Standard
- be quiet! Straight Power 12 1500W
- ATX 3.0
- Corsair HX1500i
- ATX 3.1
Form Factor
- be quiet! Straight Power 12 1500W
- ATX
- Corsair HX1500i
- ATX
+12V Rail Amperage
- be quiet! Straight Power 12 1500W
- 125 A
- Corsair HX1500i
- 125 A
PCIe CEM Standard
- be quiet! Straight Power 12 1500W
- PCIe 5.1
- Corsair HX1500i
- PCIe 5.1
12V-2x6 Connectors
- be quiet! Straight Power 12 1500W
- 2
- Corsair HX1500i
- 1-50%
Hold-Up Time
- be quiet! Straight Power 12 1500W
- 20.1 ms-8%
- Corsair HX1500i
- 21.8 ms
Sleeved Cables
- be quiet! Straight Power 12 1500W
- Yes
- Corsair HX1500i
- No
PCIe 8-pin Connectors
- be quiet! Straight Power 12 1500W
- 4-43%
- Corsair HX1500i
- 7
Connector Count
- be quiet! Straight Power 12 1500W
- 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 2x 12V-2x6, 4x PCIe 6+2-pin, 9x SATA, 2x Molex
- 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! Straight Power 12 1500W
- 135 mm
- Corsair HX1500i
- 140 mm
Fan Model / Bearing
- be quiet! Straight Power 12 1500W
- 135mm Silent Wings, fluid dynamic bearing, 6-pole motor
- Corsair HX1500i
- 140mm NR140P, fluid dynamic bearing
Japanese Capacitors
- be quiet! Straight Power 12 1500W
- Yes
- Corsair HX1500i
- Yes
EPS 8-pin Connectors
- be quiet! Straight Power 12 1500W
- 2
- Corsair HX1500i
- 2
SATA Connectors
- be quiet! Straight Power 12 1500W
- 9
- Corsair HX1500i
- 8
Molex Connectors
- be quiet! Straight Power 12 1500W
- 2
- Corsair HX1500i
- 8
Length
- be quiet! Straight Power 12 1500W
- 180 mm
- Corsair HX1500i
- 200 mm
Colour
- be quiet! Straight Power 12 1500W
- Black
- Corsair HX1500i
- Black
Fan Bearing
- be quiet! Straight Power 12 1500W
- Fluid Dynamic
- Corsair HX1500i
- Fluid Dynamic
MTBF
- be quiet! Straight Power 12 1500W
- 100000 hours
- Corsair HX1500i
- 100000 hours
Modularity
- be quiet! Straight Power 12 1500W
- Fully Modular
- Corsair HX1500i
- Fully Modular
Protections
- be quiet! Straight Power 12 1500W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Corsair HX1500i
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Straight Power 12 1500W
- 299.99 USD
- Corsair HX1500i
- 379.99 USD
Warranty
- be quiet! Straight Power 12 1500W
- 10 years
- Corsair HX1500i
- 10 years
Which one should you pick?
Choose be quiet! Straight Power 12 1500W if you want the higher wattage (1500 W vs 1500 W), the higher 12V-2x6 connectors (2 vs 1) and the higher MTBF (100000 hours vs 100000 hours).
Choose Corsair HX1500i if you want the higher Hold-Up time (21.8 ms vs 20.1 ms) and the higher PCIe 8-pin connectors (7 vs 4).
Price comparison
| Retailer | be quiet! Straight Power 12 1500W | Corsair HX1500i |
|---|---|---|
| Amazon | $299.99 View on Amazon | View on Amazon |
| Newegg | View on 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! Straight Power 12 1500W
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.
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.




