The Z390 PGX is a standard ATX form-factor motherboard at 12 x 9.6 inches, and features a black high-density glass fabric PCB design which ASRock says “reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity”.
Read more @ PC Perspective
The main area of difference is the CPU VRM which is improved for Intel’s Core i9 9900KS with its standard 127W TDP, up from 95W on the Core i9 9900K. While Intel’s i9 9900KS wasn’t released until October 2019, ASRock had already released the Phantom Gaming X revision by July 2019 in anticipation of the release that Intel had communicated to its board partners.
Read more @ KitGuru
It seems everyone is talking about AMD right now, but there are still a lot of people buying Intel processors, especially if you are building a machine purely for gaming. With all of these new X570 motherboards with the newest features it is kind of a bummer looking at Z390 boards that have been out for almost a year now. Well ASRock wants to help you out and has recently introduced their Z390 Phantom Gaming X motherboard.
Read more @ ThinkComputers
Today we test on OCinside.de the ASRock Z390 Phantom Gaming X motherboard. Already in our previous ASRock Z390 Taichi and ASRock Z390 Phantom Gaming 9 motherboard reviews we assumed that one cannot surpass the incredibly extensive motherboard equipment, but ASRock once again surpassed themselves and we are absolutely excited!
Read more @ OCInside.de
Now, there are several features that set the ASRock Z390 Phantom Gaming X apart. Firstly, a monstrous 14 phase VRM. Secondly, the ASRock Z390 Phantom Gaming X takes the modern Phantom Gaming style to a new level with an updated aesthetic that includes such luxuries as better RGB illumination, an integrated rear I/O shield, and a metal backplate.
Read more @ TechPowerUp