ASRock B550 Phantom Gaming ITX / ax is a mid-budget chipset motherboard with a lot of advantages. It has an excellent power system, providing auto-overclocking even for flagship processors like the Ryzen 9 5950X, while adhering to the AMD PBO framework. The Mini-ITX form factor allows you to install this board in any of the smallest PCs.
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f we dive into the specifications for the Phantom Gaming, we start at the top with what ASRock is calling “Gaming Armor”. This includes Hi-Density power connections for the 24 and 8Pin and gold contacts for the VGA and DIMM slots. Additionally, the Phantom Gaming uses ASRocks Super Alloy power delivery with 90A Power Chokes and 90A Dr.MOS along with Premium memory chokes that reduce core power loss 70%. Nichicon 12K caps outline the board’s power design along with I/O Armor, an 8-layer PCB, and 2oz copper.
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Priced at just over 200 bucks, meet one of the smaller B550 Chipset based motherboards we review, the Mini-ITX based B550 Phantom Gaming-ITX/ax review, at 17x17cm AROCK loaded this B550 motherboard with some good features including dual M2 slots, 2.5 GigE Ethernet, AX WIFI and a pleasantly devised VRM. Well, simply put it’s nearly a huge motherboard at a mini size.
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Well, the ASRock B550 Phantom Gaming-ITX/ax is the only ITX motherboard that I’ve seen that features two M.2 slots for SSDs. One Hyper M.2 (PCIE 4.0/Gen4) and the other, Ultra M.2 (PCIE 3.0/Gen3). Most mini-ITX motherboards that I’ve come across only come with one M.2 slot.
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The ASRock B550 Phantom Gaming-ITX/AX delivers strong out of the box performance in multi-threaded tests. Whilst this is a clear positive, the performance results are clearly skewed by the aggressive stock voltages and erroneous sensor readings that likely drive the PB2 algorithm to higher CPU frequencies.
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