AMD B550 Ryzen AM4 Gaming ATX motherboard with PCIe® 4.0, 12+2 teamed power stages, Intel® 2.5 Gb Ethernet, WiFi 6E, Two-Way AI Noise Cancelation, dual M.2 slots with heatsinks, SATA 6 Gbps, USB 3.2 Gen 2 and Aura Sync RGB lighting
AM4 socket: Ready for AMD Ryzen™ 3000 and 5000 series, plus 5000 and 4000 G-series desktop processors
Best gaming connectivity: PCIe® 4.0-ready, dual M.2 slots, USB 3.2 Gen 2 Type-C®, plus HDMI® 2.1 and DisplayPort™ 1.2 output
Smooth networking: On-board WiFi 6E (802.11ax) and Intel® 2.5 Gb Ethernet with ASUS LANGuard
Robust power solution: 12+2 teamed power stages with ProCool power connector, high-quality alloy chokes and durable capacitors
Renowned software: Intuitive dashboards for UEFI BIOS and ASUS AI Networking for easy configuration
DIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack™, Q-LEDs and SafeSlot
Unmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB and addressable Gen 2 RGB headers
Industry-leading gaming audio: Two-Way AI Noise Cancelation, SupremeFX S1220A codec, DTS® Sound Unbound™ and Sonic Studio III for immersive sound
CPU
AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
*Refer to www.asus.com for the AMD® CPU support list.
Chipset
B550
Memory
AMD Ryzen™ 5000 and 3000 Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4666(O.C.)/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.)/3400(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory *
AMD Ryzen™ 5000 and 4000 G-Series Processors
4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4866(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz, Un-buffered Memory *
ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Graphics
1 x DisplayPort 1.2
1 x HDMI® 2.1
*Graphics specifications may vary between CPU types.
Expansion Slots
AMD Ryzen™ 5000 and 3000 Series/ 5000 and 4000 G-Series Desktop Processors
1 x PCIe 4.0 x16 SafeSlot (supports x16 mode)
AMD B550 chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)*
3 x PCIe 3.0 x1 slots
*Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3
Storage
Supports 2 x M.2 slots and 6 x SATA 6Gb/s ports
Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports
AMD Ryzen™ 5000 and 3000 Series/ 5000 and 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
AMD B550 Chipset:
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)*
6 x SATA 6Gb/s ports
Support RAID 0, 1, 10
* When the M.2_2 Slot is populated , SATA6G_5/6 ports will be disabled.
Ethernet
1 x Intel® 2.5Gb Ethernet
1 x Intel® I225-V 2.5Gb Ethernet
ASUS LANGuard
Wireless & Bluetooth
Wi-Fi 6E
2x2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Supports 2.4/5/6GHz frequency band*
Bluetooth v5.2
* WiFi 6E 6GHz regulatory may vary between countries, and function will be ready in Windows 11 or later.
USB
Rear USB:
Total 8 ports
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports
Front USB:
Total 6 ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Audio
ROG SupremeFX 7.1-Channel High Definition Audio CODEC S1220A
- Impedance sense for front and rear headphone outputs
- Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input
- Supports up to 32-Bit/192kHz playback*
Audio Features
- SupremeFX Shielding Technology
- Dual OP Amplifiers
- Premium audio capacitors
- Audio cover
* Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 8-Channel audio.
Back Panel I/O Ports
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports
1 x Wi-Fi Module
1 x DisplayPort
1 x HDMI® port
1 x Intel® I225-V 2.5G Ethernet
1 x Optical S/PDIF out
5 x Audio jacks
1 x BIOS FlashBackTM button
Internal I/O Connectors
Fan and cooling related
1 x 4-Pin AIO_Pump header
1 x 4-Pin CPU fan header
1 x 4-Pin CPU_OPT fan header
3 x 4-Pin Chassis fan headers
Power related
1 x 24-pin main power connector
1 x 8-pin +12V power connector
1 x 4-pin +12V power connector
Storage related
2 x M.2 slots (Key M)
6 x SATA 6Gb/s ports
USB ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Miscellaneous
1 x Addressable Gen 2 header
2 x AURA RGB headers
1 x Clear CMOS header
1 x Front panel audio header (AAFP)
1 x 20-3 pin System Panel header with Chassis intrude function
1 x Thermal sensor header
1 x Thunderbolt™ header
Special Features
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-LED (DRAM [yellow],CPU [red], VGA [white], Boot Device [yellow green)
- ASUS Q-Slot
ASUS Thermal Solution
- M.2 heatsink
AURA Sync
- AURA RGB headers
- Addressable Gen 2 RGB headers
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS header
- ProCool
- Pre-mounted I/O shield
- SafeSlot
Software Features
ROG Exclusive Software
- RAMCache III
- ROG CPU-Z
- GameFirst VI
- Sonic Studio III + Sonic Studio Virtual Mixer
- Sonic Radar III
- DTS® Sound Unbound
- Overwolf
- Anti-virus software
ASUS Exclusive Software Features
Armoury Crate
- AIDA64 Extreme (60 days free trial)
- Aura Creator
- Aura Sync
- Two-Way AI Noise Cancelation
AI Suite 3:
- Performance And Power Saving Utility
EPU
DIGI+ VRM
Fan Xpert 4
TurboV EVO
- EZ update
WinRAR
DAEMON Tools
Norton Anti-virus software (Free Trial version)
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories
Cables
1 x Addressable RGB extension cable
4 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS Wi-Fi moving antennas
1 x Cable ties pack
1 x M.2 Rubber Package
1 x M
