ASRock B850M Pro RS WiFi vs ASRock B860M Pro RS WiFi

Key differences

  • ASRock B860M Pro RS WiFi: max memory speed 8,666 MT/s vs 8,000 MT/s (8% higher)

Same on both: usb4 No, wi-fi Wi-Fi 6E, pcie 5.0 m.2 slots 1, ethernet 2.5 Gbps, m.2 slots 3, m.2 slots (detail) 1× PCIe 5.0 x4, 2× PCIe 4.0 x4, rear usb-c 1, pcie slots 1× PCIe 5.0 x16, 1× PCIe 4.0 x4, sata ports 4, audio Realtek ALC897, form factor Micro-ATX, memory type DDR5, gpu slot PCIe 5.0, rgb headers 3× ARGB, 1× RGB, internal usb headers 1× USB-C 5Gb/s, 2× USB 5Gb/s (4 ports), 2× USB 2.0 (4 ports), max memory 256 GB, memory slots 4, bios flashback Yes, ethernet controller Realtek RTL8125BG 2.5Gb, video outputs 1× HDMI 2.1, 1× DisplayPort 1.4, front usb-c header 5Gb/s.

ASRock B850M Pro RS WiFiASRock B860M Pro RS WiFi
Released20252025
USB4NoNo
Wi-FiWi-Fi 6EWi-Fi 6E
PCIe 5.0 M.2 slots11
SocketAM5LGA1851
ChipsetB850B860
Ethernet2.5 Gbps2.5 Gbps
M.2 slots33
Rear USB1× 10Gb/s Type-C, 1× 10Gb/s Type-A, 2× 5Gb/s Type-A, 4× USB 2.01× 20Gb/s Type-C, 3× 5Gb/s Type-A, 2× USB 2.0
M.2 slots (detail)1× PCIe 5.0 x4, 2× PCIe 4.0 x41× PCIe 5.0 x4, 2× PCIe 4.0 x4
Rear USB-A75
Rear USB-C11
Bluetooth5.25.3
PCIe slots1× PCIe 5.0 x16, 1× PCIe 4.0 x41× PCIe 5.0 x16, 1× PCIe 4.0 x4
SATA ports44
AudioRealtek ALC897Realtek ALC897
Fan headers56
Form factorMicro-ATXMicro-ATX
Memory typeDDR5DDR5
GPU slotPCIe 5.0PCIe 5.0
RGB headers3× ARGB, 1× RGB3× ARGB, 1× RGB
Internal USB headers1× USB-C 5Gb/s, 2× USB 5Gb/s (4 ports), 2× USB 2.0 (4 ports)1× USB-C 5Gb/s, 2× USB 5Gb/s (4 ports), 2× USB 2.0 (4 ports)
Max memory256 GB256 GB
Memory slots44
Thunderbolt / USB4
BIOS flashbackYesYes
Ethernet controllerRealtek RTL8125BG 2.5GbRealtek RTL8125BG 2.5Gb
Video outputs1× HDMI 2.1, 1× DisplayPort 1.41× HDMI 2.1, 1× DisplayPort 1.4
Front USB-C header5Gb/s5Gb/s
Max memory speed8,000 MT/s8,666 MT/s