ASRock B450M Steel Legend AMD AM4 Motherboard Review

Energy consumption …

PC energy consumption varies depending on hardware and PC load. We have listed some interesting system configurations in the following table. The power consumption of the test PC with 2x Crucial 4GB DDR4-2400 memory, SSD and Cooler Master Silent Pro M 600W power supply was without overclocking depending on the load at the following consumption values:

Motherboard CPU GPU Idle Full load
ASRock B450M Steel Legend AMD Ryzen 2400G
Socket AM4
MSI Radeon R9 280 graphics card 43.1W 259.0W
ASRock B450M Steel Legend AMD Ryzen 2400G
Socket AM4
AMD Radeon Vega GPU 28.5W 88.1W
ASRock Z390 Taichi Intel Core i9-9900K
LGA1151 v2
MSI Radeon R9 280 graphics card 46.6W 275.5W
ASRock Z390 Taichi Intel Core i9-9900K
LGA1151 v2
Intel UHD Graphics 630 GPU 27.3W 148.4W
ASRock H370 Performance Intel Core i7-8700K
LGA1151 v2
MSI Radeon R9 280 graphics card 49.7W 284.1W
ASRock H370 Performance Intel Core i7-8700K
LGA1151 v2
Intel UHD Graphics 630 GPU 29.1W 126.0W
ASRock Z270 Killer SLI Intel Core i5-7600K
Kaby Lake LGA1151
MSI Radeon R9 280 45.7W 262.9W
ASRock Z270 Killer SLI Intel Core i5-7600K
Kaby Lake LGA1151
Intel HD Graphics 630 GPU 34.8W 117.4W
ASRock X299 Taichi Intel Core i9-7900X
Skylake-X LGA2066
MSI Radeon R9 280 graphics card 82.5W 345.4W
ASRock X399 Taichi AMD Threadripper
1950X Socket TR4
MSI Radeon R9 280 77.5W 305.3W
ASRock X370 Taichi AMD Ryzen 1600
Socket AM4
MSI Radeon R9 280 graphics card 52.5W 265.1W
ASRock X370 Taichi AMD Ryzen 1800X
Socket AM4
MSI Radeon R9 280 graphics card 55.1W 284.8W
ASRock Z170 Extreme6 Intel Core i5-6600K
Skylake LGA1151
MSI Radeon R9 280 50.5W 259.1W
ASRock Z170 Extreme6 Intel Core i5-6600K
Skylake LGA1151
Intel HD Graphics 530 GPU 36.0W 70.7W
ASRock X99 Extreme6 Intel Core i7-5930K
LGA 2011-3
MSI Radeon R9 280 60.5W 290.4W
ASRock Z97 Extreme6 Intel Core i5-4670K
LGA1151
MSI Radeon R9 280 53.1W 270.7W
ASRock Z97 Extreme6 Intel Core i5-4670K
LGA1151
Sapphire HD6870 55.8W 219.5W
ASRock Z97 Extreme6 Intel Core i5-4670K
LGA1151
Intel HD Graphics 4600 GPU 33.5W 94.5W
ASRock FM2A88X+ Killer AMD A10-7850K
Kaveri Socket FM2+
Sapphire HD6870 56.3W 233.5W
ASRock FM2A88X+ Killer AMD A10-7850K
Kaveri Socket FM2+
AMD Radeon R7 GPU 30.2W 118.8W
ASRock FM2A85X-ITX AMD A10-5800K
Trinity Socket FM2
Sapphire HD6870 52.9W 221.0W
ASRock FM2A85X-ITX AMD A10-5800K
Trinity Socket FM2
AMD Radeon HD7660D GPU 29.4W 120.4W

How high the power costs of the PC are with or without overclocking depending on the performance and running time can be calculated with our interactive PC power cost calculator:


Interactive power consumption Calculator

ASRock B450M Steel Legend Result and general impression …