Pro WS B850M-ACE SE
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Pro WS B850M-ACE SE
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*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
* Refer to https://www.asus.com/support/download-center/ for CPU support list.
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
configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based
on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports
On-Die ECC function.
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
configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based
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.
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.
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.
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.
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.
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™
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.
- 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
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 Connectors
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
1 x USB 2.0 port (1 x Type-A)
Miscellaneous
1 x BIOS FlashBack™ button
1 x Chassis Intrusion header
1 x COM Port header
1 x Reset button
1 x Front Panel Audio header (F_AUDIO)
1 x SPI TPM header (14-1 pin)
1 x Start button
1 x 10-1 pin Front Panel System header
1 x RTC Battery header
1 x Thermal Sensor header
1 x Thunderbolt™ (USB4®) header
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
1 x USB 2.0 port (1 x Type-A)
Miscellaneous
1 x BIOS FlashBack™ button
1 x Chassis Intrusion header
1 x COM Port header
1 x Reset button
1 x Front Panel Audio header (F_AUDIO)
1 x SPI TPM header (14-1 pin)
1 x Start button
1 x 10-1 pin Front Panel System header
1 x RTC Battery header
1 x Thermal Sensor header
1 x Thunderbolt™ (USB4®) header
Special Features
ASUS 5X PROTECTION III
- DIGI+ VRM (- Digital power design with DrMOS)
- ESD Guards
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- M.2 Q-Latch
- Q-Code
- Q-Connector
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- Aluminum heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- Dual DIMM clips
- ProCool II
- SafeSlot
- SafeDIMM
Bespoke Motherboard Design & Business Focused Features
- 24/7 reliability
- Overcurrent protection
- DIGI+ VRM (- Digital power design with DrMOS)
- ESD Guards
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- M.2 Q-Latch
- Q-Code
- Q-Connector
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- Aluminum heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- Dual DIMM clips
- ProCool II
- SafeSlot
- SafeDIMM
Bespoke Motherboard Design & Business Focused Features
- 24/7 reliability
- Overcurrent protection
Software Features
ASUS Exclusive Software
Armoury Crate
- Fan Xpert 4
ASUS DriverHub
- ASUS CPU-Z
TurboV Core
Adobe Creative Cloud (Free Trial)**
Norton 360 Deluxe (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUSTeK. EzFlash Utility
* For more software features, please visit the asus support site or refer to www.asus.com/support for additional information.
** For detailed information on the supported models and restricted regions for this redemption offer, please refer
to https://www.asus.com/content/asus-offers-adobe-creative-cloud/.
Armoury Crate
- Fan Xpert 4
ASUS DriverHub
- ASUS CPU-Z
TurboV Core
Adobe Creative Cloud (Free Trial)**
Norton 360 Deluxe (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUSTeK. EzFlash Utility
* For more software features, please visit the asus support site or refer to www.asus.com/support for additional information.
** For detailed information on the supported models and restricted regions for this redemption offer, please refer
to https://www.asus.com/content/asus-offers-adobe-creative-cloud/.
Remote Management Features
IT Management software supported
- ASUS Control Center Express(ACCE)
BMC Related
1 x BMC switch
1 x BMC LAN fixed IP switch
1 x Message LED header
1 x microSD card socket
1 x Location LED header
1 x Location button header
1 x PSU_SMB header
1 x SMART_PSU switch
1 x VGA switch
1 x VPP_I2C header
BMC LED Design
- 1 x BMC LED
- 1 x Message LED
- 1 x Location LED
- ASUS Control Center Express(ACCE)
BMC Related
1 x BMC switch
1 x BMC LAN fixed IP switch
1 x Message LED header
1 x microSD card socket
1 x Location LED header
1 x Location button header
1 x PSU_SMB header
1 x SMART_PSU switch
1 x VGA switch
1 x VPP_I2C header
BMC LED Design
- 1 x BMC LED
- 1 x Message LED
- 1 x Location LED
BIOS
512 Mb Flash ROM, UEFI AMI BIOS(text-based)
Manageability
WOL by PME, PXE
Accessories
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x I/O shield
1 x Q-connector
1 x M.2 rubber package(s)
Documentation
1 x ACC Express activation key card
1 x Quick start guide
2 x SATA 6Gb/s cables
Miscellaneous
1 x I/O shield
1 x Q-connector
1 x M.2 rubber package(s)
Documentation
1 x ACC Express activation key card
1 x Quick start guide
Operating System
Windows 11, Windows 10 64-bit (with AMD Ryzen™ Desktop Processors)
Form Factor
micro-ATX Form Factor
9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
- Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
- All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
- Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
- PCB color and bundled software versions are subject to change without notice.
- Brand and product names mentioned are trademarks of their respective companies.
- The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
- Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
- *Precise specifications and features vary by model. Please refer to the specification page
- The product (electrical , electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
- The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.
- Learn more about battery usage, removal, replacement, and related safety guidelines
**Product specifications and battery design may vary depending on the model. For any questions, please contact ASUS official customer service.