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ASUS Prime B850M-F

B850 · AM5 · Micro-ATX
ASUS Prime B850M-F product image

General

ChipsetB850
SocketAM5
Form FactorMicro-ATX
Supported CPU FamiliesRyzen 7000, Ryzen 8000G, Ryzen 9000

Highlights

Memory2× DDR5 · max 128 GB · 8400 MT/s
M.2 Slots2× (1× PCIe 5.0)
GPU Slots1× x16 · PCIe 5.0
Fastest USBUSB 5 Gbps
NetworkLAN 1 Gbps
Power Stages8+2+1 phases · 58 A

Manufacturer Links

BIOS downloads ↗CPU support list ↗Driver downloads ↗Memory QVL ↗
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Memory

Memory TypeDDR5
Max RAM Speed8400 MT/s
Max RAM128 GB
DIMM Slots2
RAM Form FactorDIMM
ECC SupportYes

Expansion and Storage

PCIe Version5.0
PCIe x16 Slots1
PCIe x1 Slots1
PCIe Slot Modes
1× PCIe 5.0 x16
1× PCIe 4.0 x1
M.2 Slots
M.2_1: PCIe 5.0 x4
M.2_2: PCIe 4.0 x4
SATA Ports4
Highest USBUSB 5 Gbps
RAID0/1/10

Power Delivery (VRM)

Phase Layout8+2+1
CPU Phases4
SoC Phases2
Amps per Phase58 A
PWM ControllerASP2308 (XDPE12284C, max. 8 phases), RT3672EE (max. 2 phases)
MOSFET8x 58A SiRA14BDP/SiRA12BDP (High-/Low-Side)

Connectivity and Audio

Audio CodecRealtek
LAN ChipRealtek (1Gb/s)
Rear I/O
4× USB 2.0 Type-A
2× USB 5Gbps Type-A
1× HDMI
1× 1 Gbps LAN
3× Audio jacks (3.5 mm)
Front Panel Headers
4× USB 2.0
2× USB-A 5Gbps
1× USB-C 5Gbps
HD Audio (front audio)
Case Fan Headers4× 4-pin PWM fan
RGB Header3× ARGB (5V 3-pin)
TPM HeaderYes
BIOS Chip32 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
White Build-compatible (PCB primarily black)
1x M.2 passive heatsink