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ASUS ROG Thor 1000W Platinum II vs Corsair CX550M: Comparison
What is the difference between ASUS ROG Thor 1000W Platinum II and Corsair CX550M?
Start with wattage, because it is the widest measured gap between them: ASUS ROG Thor 1000W Platinum II 1000 W against Corsair CX550M 550 W, 45% in favour of ASUS ROG Thor 1000W Platinum II. Pcie 8-pin connectors runs the same way, 8 on the ASUS ROG Thor 1000W Platinum II versus 2 on the Corsair CX550M, another win for ASUS ROG Thor 1000W Platinum II. Add hold-up time to that, 26.1 ms on the ASUS ROG Thor 1000W Platinum II versus 11.1 ms on the Corsair CX550M, and the pattern holds. ASUS ROG Thor 1000W Platinum II also leads on mtbf, 120000 hours on the ASUS ROG Thor 1000W Platinum II versus 100000 hours on the Corsair CX550M. There is a split on cybenetics efficiency as well, Platinum on the ASUS ROG Thor 1000W Platinum II versus Silver on the Corsair CX550M.
ASUS ROG Thor 1000W Platinum II vs Corsair CX550M: which one fits your build
Buy the ASUS ROG Thor 1000W Platinum II for high-end single-GPU gaming builds and builds wanting a visible power draw readout, though it is not the pick for small form factor cases. The Corsair CX550M suits entry-level gaming builds under $700 total and GTX 1660 Super or RX 6600-class GPUs, though it is not built for high-end GPUs or multi-GPU setups and anyone wanting a fully modular 24-pin/EPS. Our rating of the Corsair CX550M (6.9/10): A safe, unglamorous budget Bronze pick for entry-level gaming PCs that don't need Gold efficiency or full modularity.
Frequently asked questions
Do the ASUS ROG Thor 1000W Platinum II and Corsair CX550M differ on fan size?
Yes. Fan Size reads 135 mm on the ASUS ROG Thor 1000W Platinum II versus 120 mm on the Corsair CX550M.
Is the Single +12V Rail the same on the ASUS ROG Thor 1000W Platinum II and Corsair CX550M?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- ASUS ROG Thor 1000W Platinum II
- ASUS
- Corsair CX550M
- Corsair
Wattage
- ASUS ROG Thor 1000W Platinum II
- 1000 WBest
- Corsair CX550M
- 550 W-45%
80 PLUS Rating
- ASUS ROG Thor 1000W Platinum II
- Platinum
- Corsair CX550M
- Bronze
Model Number
- ASUS ROG Thor 1000W Platinum II
- ROG-THOR-1000P2-GAMING
- Corsair CX550M
- CX550M
Form Factor
- ASUS ROG Thor 1000W Platinum II
- ATX
- Corsair CX550M
- ATX
+12V Rail Amperage
- ASUS ROG Thor 1000W Platinum II
- 83 A
- Corsair CX550M
- 45.8 A
Single +12V Rail
- ASUS ROG Thor 1000W Platinum II
- Yes
- Corsair CX550M
- Yes
Cybenetics Efficiency
- ASUS ROG Thor 1000W Platinum II
- Platinum
- Corsair CX550M
- Silver
Cybenetics Noise
- ASUS ROG Thor 1000W Platinum II
- A++
- Corsair CX550M
- A
12V-2x6 Connectors
- ASUS ROG Thor 1000W Platinum II
- 1
- Corsair CX550M
- 0
Hold-Up Time
- ASUS ROG Thor 1000W Platinum II
- 26.1 ms
- Corsair CX550M
- 11.1 ms-57%
Zero-RPM Mode
- ASUS ROG Thor 1000W Platinum II
- Yes
- Corsair CX550M
- No
Measured Avg Efficiency
- ASUS ROG Thor 1000W Platinum II
- 89.88 %Best
- Corsair CX550M
- 85.91 %
PCIe 8-pin Connectors
- ASUS ROG Thor 1000W Platinum II
- 8
- Corsair CX550M
- 2-75%
Measured Average Noise
- ASUS ROG Thor 1000W Platinum II
- 11.39 dBABest
- Corsair CX550M
- 20.2 dBA
Connector Count
- ASUS ROG Thor 1000W Platinum II
- 1x 24/20-pin ATX, 2x EPS 4+4-pin, 1x PCIe 16-pin, 8x PCIe 6+2-pin, 12x SATA, 6x Peripheral
- Corsair CX550M
- 1x 24-pin ATX (fixed), 1x EPS 4+4 (fixed), 2x PCIe 6+2-pin, 6x SATA, 4x Molex
Fan Size
- ASUS ROG Thor 1000W Platinum II
- 135 mm
- Corsair CX550M
- 120 mm
Fan Model / Bearing
- ASUS ROG Thor 1000W Platinum II
- 135mm double ball bearing (CF1325H12D)
- Corsair CX550M
- 120mm rifle bearing (HA1225H12F-Z)
OEM / Platform
- ASUS ROG Thor 1000W Platinum II
- Seasonic
- Corsair CX550M
- CWT
EPS 8-pin Connectors
- ASUS ROG Thor 1000W Platinum II
- 2
- Corsair CX550M
- 1
SATA Connectors
- ASUS ROG Thor 1000W Platinum II
- 12
- Corsair CX550M
- 6
Molex Connectors
- ASUS ROG Thor 1000W Platinum II
- 6
- Corsair CX550M
- 4
Length
- ASUS ROG Thor 1000W Platinum II
- 190 x 150 x 86 mm
- Corsair CX550M
- 140 mm
Fan Bearing
- ASUS ROG Thor 1000W Platinum II
- Ball
- Corsair CX550M
- Rifle
MTBF
- ASUS ROG Thor 1000W Platinum II
- 120000 hours
- Corsair CX550M
- 100000 hours-17%
Modularity
- ASUS ROG Thor 1000W Platinum II
- Fully Modular
- Corsair CX550M
- Semi-Modular
Protections
- ASUS ROG Thor 1000W Platinum II
- OPP, OVP, UVP, SCP, OCP, OTP
- Corsair CX550M
- OCP, OVP, SCP, OTP
Which one should you pick?
Choose ASUS ROG Thor 1000W Platinum II if you want the higher wattage (1000 W vs 550 W), the higher Hold-Up time (26.1 ms vs 11.1 ms) and the higher PCIe 8-pin connectors (8 vs 2).
Choose Corsair CX550M if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | ASUS ROG Thor 1000W Platinum II | Corsair CX550M |
|---|---|---|
| B&H Photo | View on B&H Photo | |
| Amazon | $54.99 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 CX550M
6.9 / 10 Expert Rating
A safe, unglamorous budget Bronze pick for entry-level gaming PCs that don't need Gold efficiency or full modularity.