AMD B550 (Ryzen AM4) micro ATX gaming motherboard with PCIe 4.0, dual M.2, 10 DrMOS power stages, Intel® WiFi 6, 2.5 Gb Ethernet, HDMI, DisplayPort, SATA 6 Gbps, USB 3.2 Gen 2 Type-A and Type-C, and Aura Sync RGB lighting support
- AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ Processors
- Enhanced power solution: 8+2 DrMOS power stages, ProCool connector, military-grade TUF components, and Digi+ VRM for maximum durability
- Comprehensive cooling: VRM heatsinks, PCH fanless heatsink, M.2 heatsink, hybrid fan headers and Fan Xpert 2+ utility
- Next-gen connectivity: PCIe 4.0 M.2, USB 3.2 Gen 2 Type-A and Type-C support
- Made for online gaming: Intel® WiFi 6, 2.5 Gb Ethernet, TUF LANGuard and TurboLAN technology
- AI noise-cancelling microphone: Provides crystal-clear in-game voice communication
CPU
AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors *
* Refer to www.asus.com for CPU support list
* Refer to www.asus.com for CPU support list
Chipset
AMD B550
Memory
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory *
AMD Ryzen™ 4000 G-Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory *
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory *
AMD Ryzen™ 4000 G-Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory *
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Graphic
1 x DisplayPort 1.2
1 x HDMI 2.1(4K@60HZ)
*Graphics specifications may vary between CPU types.
1 x HDMI 2.1(4K@60HZ)
*Graphics specifications may vary between CPU types.
Multi-GPU Support
Supports AMD 2-Way CrossFireX Technology
Expansion Slots
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD Ryzen™ 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 (x4 mode) *1
1 x PCIe 3.0 x1 *1
* Support PCIe bifurcation for RAID on CPU function.
1 x PCIe 4.0 x16 (x16 mode)
AMD Ryzen™ 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 (x4 mode) *1
1 x PCIe 3.0 x1 *1
* Support PCIe bifurcation for RAID on CPU function.
Storage
Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors :
1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support
AMD Ryzen™ 4000 G-Series Desktop Processors :
1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
AMD B550 Chipset :
1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors :
1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support
AMD Ryzen™ 4000 G-Series Desktop Processors :
1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
AMD B550 Chipset :
1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10
LAN
Realtek RTL8125B 2.5Gb Ethernet
TUF LANGuard
TUF LANGuard
Wireless Data Network
Intel® Wi-Fi 6 AX200
2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO
Supports up to 2.4Gbps max data rate
Supports dual band frequency 2.4/5 GHz
Supports channel bandwidth: HT20/HT40/HT80/HT160
Supports PCIe interface
2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO
Supports up to 2.4Gbps max data rate
Supports dual band frequency 2.4/5 GHz
Supports channel bandwidth: HT20/HT40/HT80/HT160
Supports PCIe interface
Bluetooth
Bluetooth v5.1*
*BT 5.1 function will be ready in Windows 10 build 19041 or later.
*BT 5.1 function will be ready in Windows 10 build 19041 or later.
Audio
Realtek ALC S1200A 7.1 Surround Sound High Definition Audio CODEC
– Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
Audio Feature :
– Exclusive DTS Custom for GAMING Headsets.
– Optical S/PDIF out port(s) at back panel
– Audio cover
– Audio Shielding
– Dedicated audio PCB layers
– Premium Japanese audio capacitors
– Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
Audio Feature :
– Exclusive DTS Custom for GAMING Headsets.
– Optical S/PDIF out port(s) at back panel
– Audio cover
– Audio Shielding
– Dedicated audio PCB layers
– Premium Japanese audio capacitors
USB Ports
Rear USB Port ( Total 8 )
2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
2 x USB 2.0 port(s)(2 x Type-A)
Front USB Port ( Total 6 )
2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
4 x USB 2.0 port(s)(4 x Type-A)
2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
2 x USB 2.0 port(s)(2 x Type-A)
Front USB Port ( Total 6 )
2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
4 x USB 2.0 port(s)(4 x Type-A)
Software Features
ASUS Exclusive Software
Armoury Crate
– Aura Creator
– Aura Sync
– AI Noise Cancelling Microphone
AI Suite 3
– Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert 2+
– EZ update
TUF GAMING CPU-Z
AI Charger
ASUS Turbo LAN
DAEMON Tools
DTS Custom for GAMING Headsets
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
– ASUS CrashFree BIOS 3
– ASUS EZ Flash 3
– ASUS UEFI BIOS EZ Mode
Armoury Crate
– Aura Creator
– Aura Sync
– AI Noise Cancelling Microphone
AI Suite 3
– Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert 2+
– EZ update
TUF GAMING CPU-Z
AI Charger
ASUS Turbo LAN
DAEMON Tools
DTS Custom for GAMING Headsets
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
– ASUS CrashFree BIOS 3
– ASUS EZ Flash 3
– ASUS UEFI BIOS EZ Mode
ASUS Special Features
ASUS TUF PROTECTION
– ASUS DIGI+ VRM (Digital power design with Dr. MOS)
– ASUS Enhanced DRAM Overcurrent Protection
– ASUS ESD Guards
– TUF LANGuard
– ASUS Overvoltage Protection
– ASUS SafeSlot
– ASUS Stainless-Steel Back I/O
ASUS Q-Design
– ASUS Q-DIMM
– ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
– ASUS Q-Slot
ASUS Thermal Solution
– Aluminum M.2 heatsink
ASUS EZ DIY
– BIOS FlashBack™ button
– BIOS FlashBack™ LED
– Procool
AURA Sync
– Standard RGB headers
– Addressable Gen 2 RGB header
– ASUS DIGI+ VRM (Digital power design with Dr. MOS)
– ASUS Enhanced DRAM Overcurrent Protection
– ASUS ESD Guards
– TUF LANGuard
– ASUS Overvoltage Protection
– ASUS SafeSlot
– ASUS Stainless-Steel Back I/O
ASUS Q-Design
– ASUS Q-DIMM
– ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
– ASUS Q-Slot
ASUS Thermal Solution
– Aluminum M.2 heatsink
ASUS EZ DIY
– BIOS FlashBack™ button
– BIOS FlashBack™ LED
– Procool
AURA Sync
– Standard RGB headers
– Addressable Gen 2 RGB header
Back I/O Ports
1 x PS/2 keyboard/mouse combo port(s)
1 x DisplayPort
1 x HDMI
1 x LAN (2.5G) port(s)
2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C®)
2 x USB 2.0
4 x USB 3.2 Gen 1 (blue) (one port can be switched to USB BIOS FlashBack™)
1 x Optical S/PDIF out
5 x Audio jack(s)
1 x BIOS FlashBack™ Button(s)
1 x ASUS Wi-Fi Module
1 x DisplayPort
1 x HDMI
1 x LAN (2.5G) port(s)
2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C®)
2 x USB 2.0
4 x USB 3.2 Gen 1 (blue) (one port can be switched to USB BIOS FlashBack™)
1 x Optical S/PDIF out
5 x Audio jack(s)
1 x BIOS FlashBack™ Button(s)
1 x ASUS Wi-Fi Module
Internal I/O Ports
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
2 x Chassis Fan connector(s)
2 x Aura RGB Strip Headers
1 x Addressable Gen 2 header(s)
1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode)
1 x SPI TPM header
4 x SATA 6Gb/s connector(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin EATX 12V Power connectors
1 x Front panel audio connector(s) (AAFP)
1 x Clear CMOS jumper(s)
1 x System panel connector
1 x COM port header
1 x Speaker connector
1 x CPU OPT Fan connector(s)
2 x Chassis Fan connector(s)
2 x Aura RGB Strip Headers
1 x Addressable Gen 2 header(s)
1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode)
1 x SPI TPM header
4 x SATA 6Gb/s connector(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin EATX 12V Power connectors
1 x Front panel audio connector(s) (AAFP)
1 x Clear CMOS jumper(s)
1 x System panel connector
1 x COM port header
1 x Speaker connector
Accessories
User´s manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x TUF Gaming Sticker
1 x TUF Certification card(s)
1 x Wi-Fi moving antenna
1 x M.2 SSD screw package(s)
1 x M.2 Rubber Package(s)
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x TUF Gaming Sticker
1 x TUF Certification card(s)
1 x Wi-Fi moving antenna
1 x M.2 SSD screw package(s)
1 x M.2 Rubber Package(s)
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PXE
Operating System
Windows® 10 64-bit
Form Factor
mATX 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 )
Note
*1 PCIEX16_2 will run x2 mode when PCIEX1 is used.