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ASUS Pro WS B850M-ACE SE

B850 · AM5 · Micro-ATX
ASUS Pro WS B850M-ACE SE product image

General

ChipsetB850
SocketAM5
Form FactorMicro-ATX
Supported CPU FamiliesRyzen 7000, Ryzen 8000G, Ryzen 9000, Epyc 4005

Highlights

Memory4× DDR5 · max 256 GB · 8000 MT/s
M.2 Slots2× (2× PCIe 5.0)
GPU Slots2× x16 · PCIe 5.0
Fastest USBUSB 20 Gbps
NetworkLAN 10 Gbps + 2.5 Gbps + 1 Gbps
Power Stages8+2+1 phases · 80 A

Manufacturer Links

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

Memory TypeDDR5
Max RAM Speed8000 MT/s
Max RAM256 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportNo

Expansion and Storage

PCIe Version5.0
PCIe x16 Slots2
PCIe x1 Slots0
PCIe Slot Modes
1× PCIe 5.0 x16
1× PCIe 4.0 x16 · electrical: x4
M.2 Slots
M.2_1: PCIe 5.0 x4
M.2_2: PCIe 5.0 x4
SATA Ports4
Highest USBUSB 20 Gbps
RAID0/1/10

Power Delivery (VRM)

Phase Layout8+2+1
CPU Phases4
SoC Phases2
Amps per Phase80 A
MOSFET8x 80A AOZ53071QI (DrMOS)

Connectivity and Audio

Audio CodecRealtek ALC897
LAN ChipRealtek RTL8127 (10Gb/s), Intel I226-LM (2.5Gb/s), Realtek RTL8211F (1Gb/s)
Rear I/O
2× USB 2.0 Type-A
6× USB 10Gbps Type-A
1× USB 10Gbps Type-C
1× USB 20Gbps Type-C
1× HDMI
2× DisplayPort
1× 1 Gbps LAN
1× 2.5 Gbps LAN
1× 10 Gbps LAN
2× Audio jacks (3.5 mm)
Front Panel Headers
5× USB 2.0
2× USB-A 5Gbps
1× USB-C 20Gbps
HD Audio (front audio)
Case Fan Headers
5× 4-pin PWM fan
1× Pump (liquid cooling)
TPM HeaderYes
BIOS Chip64 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
Diagnostic LED (LED indicators)
Diagnostic LED (segment display)
2x M.2 passive heatsink