Why you can trust Tom's Hardware Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test.
Performance Rating
The overall performance is close enough to the Asus Rog Thor 1200. Nonetheless, Corsair's HX1200 scores almost 2% higher.
Noise Rating
The graph below depicts the cooling fan's average noise over the PSU's operating range, with an ambient temperature between 30 to 32 degrees Celsius (86 to 89.6 degrees Fahrenheit).
This is a noisy power supply. Sure it has 1200W max power, but there are similar capacity units with much lower overall noise output, as you can see in the chart above.
Efficiency Rating
The following graph shows the PSU's average efficiency throughout its operating range with an ambient temperature close to 30 degrees Celsius.
The overall efficiency is on par with the competition.
MORE: Best Power Supplies
MORE: How We Test Power Supplies
MORE: All Power Supply Content
Intel's next-gen desktop CPUs have leaked — Arrow Lake Core Ultra 200 series share similar core counts with Raptor Lake Refresh
Sabrent debuts 5GB/s Rocket Nano 2242 Gen 4 SSD — a good fit for Lenovo Legion Go, laptops, and NUCs
AMD takes CPU market share from Intel in desktops and servers, but Intel fights back in laptops
