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1.2 Specifications
Platform
CPU
Chipset
Memory
Expansion
Slot
Audio
6
• ATX Form Factor
• Supports AMD AM4 Socket Ryzen CPUs (Summit Ridge)
• IR Digital PWM
• 16 Power Phase design
• Supports 300W EX OC
• Supports ASRock Hyper BCLK Engine II
• AMD Promontory X370
• Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• Supports DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC
& non-ECC, un-buffered memory*
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
* Please refer to page 23 for DDR4 UDIMM maximum
frequency support.
• Max. capacity of system memory: 64GB
• 15μ Gold Contact in DIMM Slots
• 2 x PCI Express 3.0 x16 Slots (single at x16 (PCIE2); dual at
x8 (PCIE2) / x8 (PCIE3))*
* Supports NVMe SSD as boot disks
• 1 x PCI Express 2.0 x16 Slot (PCIE5 @ x4 mode)
* If PCIE5 slot is occupied, M2_2 will be disabled
• 2 x PCI Express 2.0 x1 Slots
• Supports AMD Quad CrossFireX
• Supports NVIDIA® Quad SLI
• 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-
802.11ac module (on the rear I/O)
• 15μ Gold Contact in VGA PCIe Slot (PCIE2)
• 7.1 CH HD Audio with Content Protection (Realtek
ALC1220 Audio Codec)
• Premium Blu-ray Audio support
• Supports Surge Protection
TM
TM
and CrossFireX
TM
TM
and SLI
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