ASUS ROG STRIX B550-A GAMING AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard

• Series: ROG
• Model: STRIX B550-A GAMING
• CPU Socket Type: AM4
• CPU Type: Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors
Refer to www.asus.com for CPU support list.
BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU.
• Chipset: AMD B550
• Number of Memory Slots: 4×288pin
• Memory Standard: DDR4 5100(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) /
3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 4000 G-Series Processors)
DDR4 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133
• Maximum Memory Supported: 128GB 128GB
• Channel Supported: Dual Channel
Dual Channel
• ECC Supported: ECC Memory (ECC mode) support varies by CPU. ECC Memory (ECC mode)
support varies by CPU.
• Buffer Supported: Un-buffered Un-buffered
• PCI Express 4.0 x16: 1 x PCI Express 4.0 x16
Actual support may vary by CPU.
• PCI Express 3.0 x16: 1 x PCIe 3.0 x16*
Supports x4 mode.
PCIEX16_2 shares bandwidth with PCIE x1_1, PCIE x1_2, and PCIE x1_3.
• PCI Express x1: 3 x PCIe 3.0 x1
• SATA 6Gb/s: 6 x SATA 6Gb/s
• M.2: 3rd Gen AMD Ryzen Processors:
1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)
AMD B550 Chipset:1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)
When the M.2_2 Socket 3 is populated, SATA6G_5/6 ports will be disabled
• SATA RAID: 6 x SATA 6Gb/s 0/1/10
• Onboard Video Chipset: Supported only by CPU with integrated graphic
• Audio Chipset: ROG SupremeFX High Definition Audio CODEC S1220A
• Audio Channels: 8 Channels
Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio .
• LAN Chipset: Intel I225-V
• Max LAN Speed: 10/100/1000/2500Mbps
• Back I/O Ports: 1 x Intel I225-V 2.5Gb Ethernet
1 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
4 x USB 3.2 Gen 1
2 x USB 2.0
1 x Optical S/PDIF out
1 x BIOS FlashBack Button(s)
5 x Gold-plated audio jacks
• Onboard USB: 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)
• Other Connectors: 1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
3 x Chassis Fan connector(s)1 x AIO_PUMP connector
1 x AAFP connector
2 x Aura RGB Stri
Header(s)
1 x Addressable Gen 2 header(s)
1 x Thunderbolt header(s)
1 x System panel(s)
1 x Thermal sensor connector(s)
1 x Clear CMOS jumper(s)
• Form Factor: ATX
• LED Lighting: RGB
• Dimensions (W x L): 12.0" x 9.6"
• Power Pin: 1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)
1 x 4-pin ATX 12V Power connector(s)
• Windows 11: Supported
• Features: Multi-GPU Support:
Supports AMD 2-Way CrossFireX Technology
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
- Aura Creator
- Aura Sync- AI Noise Cancelling Microphone
AI Suite 3:
- PPSU
EPU
DIGI+ VRM
Fan Xpert 4
TurboV EVO
- EZ update
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
ASUS Special Features:
Aura Sync
- Standard RGB header(s)
- Addressable Gen 2 RGB header(s)
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
- Aluminum M.2 heatsink
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS header
- ProCool
- Pre-mounted I/O shield
- SafeSlot
• BIOS:256MB Flash ROM, UEFI AMI BIOS
• Manageability:WOL by PME, PXE
• Operating System:Windows 10 64-bit
• Accessories:User's manual
4 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x ROG Strix stickers
1 x Cable ties pack(s)
1 x Extension cable for Addressable LED
1 x ROG Thank you card
1 x M.2 SSD screw package(s)
1 x M.2 Rubber Package(s