ASRock Z390 Phantom Gaming X Motherboard Review

The technical data …

Manufacturer ASRock
Name Z390 Phantom Gaming X
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, 2×1, 4x DDR4-800 – DDR4-2666, max 128GB RAM
Connectors +++++ 8x SATA3, 3x Ultra M.2, 2x 10/100/1000 Mbps base-T Ethernet (Intel I219V/I211AT), 1x 10/100/1000/2500 Mbps base-T Ethernet (Dragon RTL8125AG), 1x Front USB 3.1 Gen2 Typ-C, 1x USB 3.1 Gen2 Typ-C, 3x USB 3.1 Gen2 Typ-A, 8x USB 3.1 Gen1 (4x of them internal, slot bracket for additional ports is not included), 3x 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 HDMI and 8x fan (8x 4Pin).
VCore +++++ In the VCore BIOS of 0.9000V up to 1.800V and -0.100 – +0.300 Volt Offset.
Multiplier +++++ In BIOS from 8x to 120x (maximum multi depending on CPU).
BCLK +++++ In BIOS from 90 – 1000 MHz.
VIO/VDD +++++ DRAM Voltage (DDR4 Voltage) 1.000 to 2.300V, VTT DDR Voltage 0.500 to 1.500, 1.0V PCH Voltage 0.900 to 1.500, VCCIO Voltage 0.850 to 2.000, VCCSA Voltage 0.900 to 2.000, GT PLL Voltage 0.9175 to 1.2500, CPU PLL Voltage 1/2 0.936 to 2.613, CPU Internal PLL Voltage 0.9175 to 1.2500, CPU Cold Bug Killer Voltage 0,936 to 2.613, CLK VDD Voltage 1.034 to 4.042, DMI Voltage 0.864 to 2.036, 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 benchmark values with Intel Core i9-9900K CPU.
SiSoftware Sandra Arithmetic Processor Performance: 320.8 GOPS
SiSoftware Sandra Multimedia Processor Performance: 920.18 MPixel/s

Benchmark results with Intel Core i9-9900K processor.
1x MSI Radeon R9 280 Twin Frozr gaming 3 GB PCIe 3.0 graphics card:
3DMark: Fire Strike 7473, Cloud Gate 34804, Ice Storm 115316
PCMark10: Overall 4258, Essentials 6767, Produktivität 6223, Digital Content Creation 4975

OnBoard Intel UHD Graphics 630 GPU (9900K):
3DMark: Fire Strike 1354, Cloud Gate 12907, Ice Storm 86343

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 Phantom Gaming X Layout, Design and Features …