ASRock B450M Steel Legend AMD AM4 Motherboard Review

The technical data …

Manufacturer ASRock
Name B450M Steel Legend
Type / Chipset AMD AM4 CPU / AMD B450 Promontory B450 chipset
Dimensions ++++ 23 mm (45 mm radius) around the socket to the next capacitor or other mainboard parts – for further information see Fit for Fan. The space to the next bigger heatsink is approx. 42 mm (64 mm radius). The overall size of this Micro ATX motherboard is 244 x 244 mm.
Slots ++++ PCIe 3.0: 1×16, 1×4, 1×1, 4x DDR4-800 – DDR4-2666, max 64GB RAM
Connectors ++++ 4x SATA3, 1x Ultra M.2, 1x M.2, 1x PS/2, 1x 10/100/1000 Mbps base-T Ethernet (Realtek RTL8111H), 1x USB 3.1 Gen2 Type-C, 1x USB 3.1 Gen2 Type-A, 6x USB 3.1 Gen1 Type-A (2x of them internal, slot bracket for additional ports is not included), 6x USB 2.0 (4x of them internal, slot bracket for additional ports is not included), 8-Channel Realtek ALC892 onboard 7.1 sound with 5x 3.5 mm connectors (1x optical S/PDIF, 1x int. Aux, ext. Line in, ext. Mic, ext. Front out, ext. Rear out, ext. Center/Subwoofer), 1x DisplayPort 1.2, 1x HDMI and 5x Fan (5x 4Pin)
VCore ++++ In the VCore BIOS of 0.87500 volts up to 1.5500 volts or -0.100 to +0.200 Offset
Multiplier ++++ In the BIOS from 16x to 63x (maximum multi depending on the CPU)
BCLK – In the BIOS not directly changeable.
VIO/VDD +++ DRAM Voltage (DDR4 voltage) 1.100 to 1.400V, GPU 0.90000 to 1.55000V, CPU SOC 0.9 to 1.55 Volt, +1.8V Voltage 1.700 to 2.050V, VDDP 0.950 to 1.350V.
Performance* ++++ Benchmark values comparison with different graphics cards and benchmark tools.

SiSoftware Sandra 2017 benchmark values with AMD Ryzen 5 2400G APU.
SiSoftware Sandra 2017 arithmetic processor performance in Windows 10: 120.4 GOPS
SiSoftware Sandra 2017 multimedia processor performance in Windows 10: 236.59 MPixel/s

Benchmark results with AMD Ryzen 5 2400G processor

OnBoard AMD Radeon Vega GPU (AMD Ryzen 5 2400G):
3DMark: Fire Strike 3005, Cloud Gate 13718, Ice Storm 71950

1x MSI Radeon R9 280 Twin Frozr Gaming 3GB PCIe 3.0 graphics card:
3DMark: Fire Strike 6950, Cloud Gate 18099, Ice Storm 87651
PCMark10: Overall 3916, Essentials 7766, Produktivität 6983, Digital Content Creation 3005

Manual and Labeling +++ For an uATX motherboard well placed, complete motherboard description and good manual with a lot of tips about topics like CPU installation, memory installation, etc.. The manual comes in different languages. In addition a separated Software Setup Guide with UEFI settings is contained.

ASRock B450M Steel Legend Layout, Design and Features …