ASRock B850 Pro RS

ASRock B850 Pro RS AM5 ATX DDR5 256 GB Motherboard

ASRock Motherboard $159.99

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SocketAM5

ChipsetB850

Form FactorATX

MemoryDDR5

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The ASRock B850 Pro RS is a ATX motherboard for AM5. It supports DDR5 memory up to 8000 MT/s (OC).

ASRock B850 PRO RS AM5 AMD B850 SATA 6Gb/s ATX Motherboard Number of Memory Slots: 4x288pin (DDR5) Memory Standard: Up to 8000+(OC) Audio Chipset: Realtek ALC897 Audio Channels: 7.1 Channels Max LAN Speed: 2.5Gbps Maximum Memory Supported: 256GB Channel Supported: Dual Channel CPU Type: Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

Manufacturer	ASRock
Model Number	B850 Pro RS
Launch Date	January 2025
CPU Socket	AM5
Chipset Model	Intel B850
Board Size / Form Factor	ATX
Supported Memory Type	DDR5
DIMM Slots	4
Maximum RAM Capacity	256 GB
Valid DDR4 Speeds	DDR5-4400 / DDR5-4800 / DDR5-5200 / DDR5-5600 / DDR5-6000 / DDR5-6200 / DDR5-6400 / DDR5-6600 / DDR5-6800 / DDR5-7000 / DDR5-7200 / DDR5-7600 / DDR5-7800 / DDR5-8000 (OC)
ECC Memory Support	No
Expansion Slots (PCIe)	2 × PCIe x16
PCIe x16 (Qty)	2
PCIe x4 (Qty)	0
PCIe x1 (Qty)	0
M.2 Slot Count	5 × M.2
M.2 Device Compatibility	2280 - M Key, 2280 - M Key, 2230 / 2242 / 2260 / 2280 - M Key, 2280 - M Key, 2230 - E Key
SATA III Ports	4 × SATA 6Gbps
SATA Express Ports	0
Wired Networking (LAN)	N/A
Onboard Wi-Fi	No
Wi-Fi Standard	N/A
Rear-Panel USB	USB 3.2 Gen2x2, USB 3.2 Gen1, USB 2.0
Internal USB 3.2 Gen 2x2 Headers	1
Internal USB 3.2 Gen 2 Headers	0
Internal USB 3.2 Gen 1 Headers	2
Internal USB 2.0 Headers	2
NVIDIA SLI	No
AMD CrossFire	No
RAID Capability	Yes
Back-Connect Layout	No
Manufacturer Part Number (MPN)	B850 Pro RS
SKU Code	B850 Pro RS
GTIN / EAN	4711581490161