The technical data …
| Manufacturer | ASRock |
| Name | Z390 Extreme4 |
| Type / Chipset | Intel LGA 1151 v2 CPU / Intel Z390 chipset |
| Dimensions | +++ 13 mm (31 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. 32 mm (50 mm radius). The overall size of this ATX motherboard is 305 x 244 mm. |
| Slots | +++++ PCIe 3.0: 3×16, 3×1, 4x DDR4-800 – DDR4-2666, max 64GB RAM |
| Connectors | ++++ 8x SATA3, 2x Ultra M.2, 1x M.2, 1x PS/2, 1x 10/100/1000 Mbps base-T Ethernet (Intel I219V), 1x USB 3.1 Gen2 Typ-C, 1x USB 3.1 Gen2 Typ-A, 8x USB 3.1 Gen1 (4x of them internal, slot bracket for additional ports is not included), 4x USB 2.0 (all of them internal, slot bracket for additional ports is not included), 8-Channel Realtek ALC 1220 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 D-Sub, 1x HDMI and 5x fan (5x 4Pin). |
| VCore | ++++ In the VCore BIOS of 0.9000V up to 1.520V. |
| Multiplier | ++++ In BIOS from 8x to 83x (maximum multi depending on CPU). |
| BCLK | +++++ In BIOS from 100 – 500 MHz. |
| VIO/VDD | +++++ DRAM Voltage (DDR4 Voltage) 1.100 to 1.800V, 1.0V PCH Voltage 0.900 to 1.300, VCCIO Voltage 0.850 to 1.350, VCCST Voltage 0.900 to 1.250, VCCSA Voltage 0.900 to 1.350, GT PLL Voltage 0.9175 to 1.2500, CPU Internal PLL Voltage 0,9175 to 1.2500, Ring PLL Voltage 0.9175 to 1.2500, SA PLL Voltage 0.9175 to 1.2500, Memory Controller PLL Voltage 0.9175 to 1.2500, CPU Load Line Calibration 1 to 5. |
| Performance* | ++++ Benchmark values comparison with different graphics cards and benchmark tools.
SiSoftware Sandra 2013 benchmark values with Intel Core i7-8700K CPU. Benchmark results with Intel Core i7-8700K processor. OnBoard Intel UHD Graphics 630 GPU (8700K): |
| Manual and Labeling | +++ 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. The manual comes in different languages. In addition a separated Software Setup Guide with UEFI settings is contained. |
ASRock Z390 Extreme4 Layout, Design and Features …