AMD AM5 mATX workstation motherboard with BMC for IPMI, dual 10 Gb & 2.5 Gb LAN, PCIe 5.0, ready for USB4®, and support for Ryzen 9000/8000/7000 & EPYC 4005.
Technical Specifications24 specs
General
Model
Pro WS B850M-ACE SE
Cpu
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors and AMD EPYC™ 4005 Series Processors
Chipset
AMD B850 Chipset
Memory
4 x DIMM slots, max. 256GB, DDR5
Supports up to 8000+MT/s(OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC Un-buffered DIMM
Supports up to 5600MT/s with AMD EPYC™ 4005 Series Processors, ECC and Non-ECC Un-buffered DIMM
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory
on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports
On-Die ECC function.
Graphics
1 x DisplayPort
1 x VGA port from AST2600
1 x HDMI™ port
1 x USB 10Gbps port (USB Type-C®) supports
DisplayPort video output
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.
Expansion Slots
AMD Ryzen™ 9000 & 7000 Series Desktop Processors and AMD EPYC™ 4005 Series Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen™ 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/
1037507/).
** Specifications vary by CPU types.
- To ensure compatibility of the device installed, please refer to
https://www.asus.com/support/download-center/
for the list of supported peripherals.
Storage
Total supports 2 x M.2 slots, 1 x MCIO connector, 1 x U.2 connector and 4 x SATA 6Gb/s ports
AMD Ryzen™ 9000 & 7000 Series Desktop Processors and AMD EPYC™ 4005 Series Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
MCIO connector (supports PCIe 5.0 x4 mode)
AMD Ryzen™ 8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode)
MCIO connector (supports PCIe 4.0 x4/x2 mode)
AMD B850 Chipset
U.2_1 connector supports PCIe 3.0 x4 mode via an SFF-8643 adapter cable. The cable is purchased separately.
4 x SATA 6Gb/s ports
* Specifications vary by CPU types.
** MCIO connector shares bandwidth with M.2_2 slot. When MCIO connector is operating, M.2_2 slot will be disabled.
*** U.2 shares bandwidth with SATA ports; Enable U.2 in BIOS menu to support a NVMe storage device, and SATA ports will be disabled.
Raid Support
AMD RAIDXpert2 Technology
Ryzen™ 9000 Series Processors: RAID 0/1/5/10
Ryzen™ 8000 Series Processors: RAID 0/1
Ryzen™ 7000 Series Processors: RAID 0/1/10
* Specifications vary by CPU types.
Ethernet
1 x Realtek 10Gb Ethernet
1 x Intel® 2.5Gb Ethernet
1 x Realtek 1Gb Ethernet
ASUS LANGuard
* This dedicated LAN port is for BMC and IPMI connections only; internet access is not supported.
Usb
Rear USB (Total 7 ports)
5 x USB 10Gbps port(s) (3 x Type-A + 2 x USB Type-C®)
2 x USB 2.0 port(s) (2 x Type-A)
Front USB (Total 7 ports)
1 x USB 20Gbps (supports USB Type-C®)
1 x USB 5Gbps header(s) support(s) 2 additional USB 5Gbps ports
2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports
* USB Type-C® power delivery output: max. 5V/3A Onboard USB port(s)
1 x USB 2.0 port (1 x Type-A) for BIOS FlashBack™
Audio
Realtek 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* Due to limitations in HDA bandwidth
32-Bit/192 kHz is not supported for 7.1 Surround Sound audio.
Back Panel I O Ports
3 x USB 10Gbps port(s) (3 x Type-A)
1 x USB 10Gbps port(s) (USB Type-C®)
1 x USB 10Gbps port(s) (USB Type-C®) supports DisplayPort video output
2 x USB 2.0 port(s) (2 x Type-A)
1 x DisplayPort
1 x VGA port
1 x HDMI™ port
1 x Realtek 10Gb Ethernet port
1 x Intel® 2.5Gb Ethernet ports
1 x Realtek 1Gb Ethernet (Dedicated management LAN for AST2600)
2 x Audio jacks
1 x Clear CMOS button
Internal I O
Fan and Cooling Related
1 x 4-pin CPU Fan header(s)
1 x 4-pin CPU OPT Fan header(s)
3 x 4-pin Chassis Fan header(s)
1 x W_PUMP+ header(s)
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
1 x 4-pin +12V CPU Power connector
Storage Related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
1 x U.2 connector
1 x MCIO connector
USB
1 x USB 20Gbps connector (support(s) USB Type-C® )
1 x USB 5Gbps header(s) support(s) 2 additional USB 5Gbps ports
2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports