ASRock A75 Pro4 AMD Socket FM1 Motherboard Review

Manufacturer ASRock
Name A75 Pro4
Type / Chipset Socket FM1 CPU / AMD A75 Chipset
Dimensions +++ 22 mm (44 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. 35 mm (55 mm radius). The overall size of this ATX mainboard is 305 x 224 mm.
Slots ++++ 3x pci, 4x PCIe 2.0: 2×16/2×1, 4x DDR3-800 – DDR3-1866 max 32GB RAM
Connectors

++++ 1x PS/2, 1x IR (optional), 1x CIR (optional), 5x SATA3, 1x eSATA3, 1x serial (optional), 1x 10/100/1000 Mbps base-T Ethernet (Realtek RTL8111E), 4x USB 3.0, 8x USB 2.0 (6x of them internal, slot bracket for additional ports is not included), 2x IEEE1394 (1x of them internal, slot bracket for additional ports is not included), 8-Channel ALC 892 onboard 7.1 sound with 5x 3.5 mm connectors (1x optical S/PDIF out, 1x coaxial S/PDIF out, 1x int. HDMI S/PDIF out, 1x int. Aux, ext. Line in, ext. Mic, ext. Front out, ext. Rear out, ext. Center/Subwoofer) and 6x fan connectors (2x 4-pin and 4x 3-pin).

Vcore ++++ BIOS between 0.6000 Volt and 2.0000 Volt in steps of 0.0125 Volt
Multiplier ++++ BIOS between 16x and 47x (max. multiplier depends on CPU)
Host Frequency ++++ BIOS between 75 and 250 MHz (PCIe 75 – 250 MHz)
VIO/VDD ++++ VMem (DDR3 voltage) 1.250 – 2.065 Volt, APU PCIE 1.208 – 1.804 V, APU DRAM PHY 1.200 – 1.400 V, CPU NB 0.6000 – 2.000 V, GPU 0.6000 – 2.000 V, SB: 1.10 – 1.40 Volt.
Performance* ++++ Benchmark ratings with some video cards and benchmark tools.

SiSoftware Sandra 2012 Benchmark ratings with AMD A8-3870K Llano processor. SiSoftware Sandra 2012 Arithmetik Processorperformance in Windows 7 RC: 42.1 GOPS SiSoftware Sandra 2012 Multimedia Processorperformance in Windows 7 RC: 48.9 MPixel/s

3DMark11 Entry Benchmark ratings with AMD A8-3870K Llano processor. 1x Sapphire HD6870 1024MB AMD Radeon HD6870 PCIe 2.0 video card: 3DMark11 Entry Test in Windows 7: E5071 (GPU: 6182 / Physics: 3731 / Combined Score: 3295) 1x onBoard AMD Radeon HD6550D GPU: 3DMark11 Entry Test in Windows 7: E1501 (GPU: 1370 / Physics: 3645 / Combined Score: 1000)

3DMark Vantage Entry Test Benchmark values with AMD A8-3870K Llano processor. 1x Sapphire HD6870 1024MB AMD Radeon HD6870 PCIe 2.0 video card: 3DMark Vantage Entry Test in Windows 7: E23989 (GPU: 44631 / CPU: 10047) 1x Sapphire HD4870 512MB AMD Radeon HD4870 PCIe 2.0 video card: 3DMark Vantage Entry Test in Windows 7: E21656 (GPU: 35175 / CPU: 10058) 1x onBoard AMD Radeon HD6550D GPU: 3DMark Vantage Entry Test in Windows 7: E15103 (GPU: 18035 / CPU: 10152)

3DMark06 Benchmark values with AMD A8-3870K Llano processor. 1x Sapphire HD6870 1024MB AMD Radeon HD6870 PCIe 2.0 video card: 3DMark06 in Windows 7: 16282 3DMarks 1x Sapphire HD4870 512MB AMD Radeon HD4870 PCIe 2.0 video card: 3DMark06 in Windows 7: 15020 3DMarks 1x onBoard AMD Radeon HD6550D GPU: 3DMark06 in Windows 7: 6181 3DMarks

3DMark03 Benchmark values with AMD A8-3870K Llano processor. 1x Sapphire HD6870 1024MB AMD Radeon HD6870 PCIe 2.0 video card: 3DMark03 in Windows 7: 66402 3DMarks 1x Sapphire HD4870 512MB AMD Radeon HD4870 PCIe 2.0 video card: 3DMark03 in Windows 7: 51969 3DMarks 1x onBoard AMD Radeon HD6550D GPU: 3DMark03 in Windows 7: 17409 3DMarks

Manual and Labeling

+++ Complete and well placed motherboard description and good manual. This mainboard comes with a detailed manual in different languages. ASRock followed our often mentioned suggestion about the missing BIOS section in the manual and now offers a seperated Software Setup Guide with UEFI BIOS Setup section. Additionally an ASRock XFast USB quick reference guide was included.