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ASRock Steel Legend SL-750G vs Corsair AX1600i: Comparison
What is the difference between ASRock Steel Legend SL-750G and Corsair AX1600i?
Wattage is where these two genuinely part company, ASRock Steel Legend SL-750G 750 W against Corsair AX1600i 1600 W, a 53% lead for Corsair AX1600i. Add pcie 8-pin connectors to that, 2 on the ASRock Steel Legend SL-750G versus 10 on the Corsair AX1600i, and the pattern holds. Hold-up time runs the same way, 16.3 ms on the ASRock Steel Legend SL-750G versus 26.7 ms on the Corsair AX1600i, another win for Corsair AX1600i.
Which should you buy, ASRock Steel Legend SL-750G or Corsair AX1600i?
Take the ASRock Steel Legend SL-750G for buyers building a Steel Legend-themed system who want matching PSU aesthetics. A genuine visual differentiator within the category. The same goes for anyone who wants efficiency performance that exceeds the official badge. The independently verified Cybenetics Platinum result here is a real bonus over the Gold certification alone. Avoid it for builds needing more than 750W of headroom. An 850W or higher unit, several covered elsewhere on this site, is the right tier for more demanding GPU pairings. The Corsair AX1600i suits Dual/triple-GPU workstation and rendering rigs and overclockers who want per-rail digital telemetry, though it is the wrong buy 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.
ASRock Steel Legend SL-750G vs Corsair AX1600i price
At the last price check the ASRock Steel Legend SL-750G was $69.99 and the Corsair AX1600i $580, a 729% premium.
Frequently asked questions
Do the ASRock Steel Legend SL-750G and Corsair AX1600i differ on fan size?
Yes. Fan Size reads 135 mm on the ASRock Steel Legend SL-750G versus 140 mm on the Corsair AX1600i.
Is the Modularity the same on the ASRock Steel Legend SL-750G and Corsair AX1600i?
It is. Both are listed at Fully Modular, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- ASRock Steel Legend SL-750G
- ASRock
- Corsair AX1600i
- Corsair
Wattage
- ASRock Steel Legend SL-750G
- 750 W-53%
- Corsair AX1600i
- 1600 WBest
80 PLUS Rating
- ASRock Steel Legend SL-750G
- Gold
- Corsair AX1600i
- Titanium
Model Number
- ASRock Steel Legend SL-750G
- Steel Legend SL-750G
- Corsair AX1600i
- AX1600i
ATX Standard
- ASRock Steel Legend SL-750G
- ATX 3.1
- Corsair AX1600i
- ATX 2.x
Form Factor
- ASRock Steel Legend SL-750G
- ATX
- Corsair AX1600i
- ATX
+12V Rail Amperage
- ASRock Steel Legend SL-750G
- 62.5 A
- Corsair AX1600i
- 133.3 A
Cybenetics Efficiency
- ASRock Steel Legend SL-750G
- Platinum
- Corsair AX1600i
- Titanium
Cybenetics Noise
- ASRock Steel Legend SL-750G
- A+
- Corsair AX1600i
- A-
12V-2x6 Connectors
- ASRock Steel Legend SL-750G
- 1
- Corsair AX1600i
- 0
Hold-Up Time
- ASRock Steel Legend SL-750G
- 16.3 ms-39%
- Corsair AX1600i
- 26.7 ms
Zero-RPM Mode
- ASRock Steel Legend SL-750G
- Yes
- Corsair AX1600i
- Yes
Sleeved Cables
- ASRock Steel Legend SL-750G
- No
- Corsair AX1600i
- No
Measured Avg Efficiency
- ASRock Steel Legend SL-750G
- 90.08 %
- Corsair AX1600i
- 92.22 %Best
PCIe 8-pin Connectors
- ASRock Steel Legend SL-750G
- 2-80%
- Corsair AX1600i
- 10
Measured Average Noise
- ASRock Steel Legend SL-750G
- 18.76 dBABest
- Corsair AX1600i
- 25.6 dBA
Connector Count
- ASRock Steel Legend SL-750G
- 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 9x SATA, 3x Molex
- Corsair AX1600i
- 1x 24-pin ATX, 2x EPS 4+4, 10x PCIe 6+2-pin, 16x SATA, 9x Molex, 2x FDD adapter
Fan Size
- ASRock Steel Legend SL-750G
- 135 mm
- Corsair AX1600i
- 140 mm
Fan Model / Bearing
- ASRock Steel Legend SL-750G
- 135mm striped axial fluid dynamic bearing (RL4ZS1352512HH)
- Corsair AX1600i
- 140mm NR140P, fluid dynamic bearing
Japanese Capacitors
- ASRock Steel Legend SL-750G
- Yes
- Corsair AX1600i
- Yes
EPS 8-pin Connectors
- ASRock Steel Legend SL-750G
- 2
- Corsair AX1600i
- 2
SATA Connectors
- ASRock Steel Legend SL-750G
- 9
- Corsair AX1600i
- 16
Molex Connectors
- ASRock Steel Legend SL-750G
- 3
- Corsair AX1600i
- 9
Length
- ASRock Steel Legend SL-750G
- 150 mm
- Corsair AX1600i
- 200 mm
Colour
- ASRock Steel Legend SL-750G
- Black
- Corsair AX1600i
- Black
Fan Bearing
- ASRock Steel Legend SL-750G
- Fluid Dynamic
- Corsair AX1600i
- Fluid Dynamic
Zero-RPM Switchable
- ASRock Steel Legend SL-750G
- Yes
- Corsair AX1600i
- Yes
MTBF
- ASRock Steel Legend SL-750G
- 100000 hours
- Corsair AX1600i
- 100000 hours
Modularity
- ASRock Steel Legend SL-750G
- Fully Modular
- Corsair AX1600i
- Fully Modular
Protections
- ASRock Steel Legend SL-750G
- OCP, SCP, OVP, UVP, OTP, OPP
- Corsair AX1600i
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- ASRock Steel Legend SL-750G
- 69.99 USD
- Corsair AX1600i
- 579.99 USD
Warranty
- ASRock Steel Legend SL-750G
- 10 years
- Corsair AX1600i
- 10 years
Which one should you pick?
Choose ASRock Steel Legend SL-750G 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 750 W), the higher Hold-Up time (26.7 ms vs 16.3 ms) and the higher PCIe 8-pin connectors (10 vs 2).
Price comparison
| Retailer | ASRock Steel Legend SL-750G | Corsair AX1600i |
|---|---|---|
| Newegg | $69.99 View on Newegg | |
| 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
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.