ASUS AM4 ROG STRIX B550-A GAMING ATX Motherboard

36 months

AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Best gaming connectivity: PCIe^® 4.0-ready, dual M.2, USB 3.2 Gen 2 Type-C® plus HDMI™ 2.1 and DisplayPort 1.2 output support
Smooth networking: Intel^® 2.5Gb Ethernet with ASUS LANGuard
Robust power solution: 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 make it easy to configure gaming builds
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 header and addressable Gen 2 RGB header
Industry-leading gaming audio: AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS^® Sound Unbound™ and Sonic Studio III for immersive audio

Specifications

CPU	AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors
Chipset	AMD B550
Memory	3rd Gen AMD Ryzen™ Processors 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(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 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors 4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(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 Dual Channel Memory Architecture OptiMem II ECC Memory (ECC mode) support varies by CPU.
Graphic	Integrated Graphics Processor 1 x DisplayPort 1.2 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	3rd Gen AMD Ryzen™ Processors 1 x PCIe 4.0 x16 (x16 mode) 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x16 (x4 mode) 3 x PCIe 3.0 x1
Storage	Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports 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) 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors : 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 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 x 4 mode) 6 x SATA 6Gb/s port(s), Support Raid 0, 1, 10
LAN	Intel® I225-V 2.5Gb Ethernet ASUS LANGuard
Audio	ROG SupremeFX 8-Channel High Definition Audio CODEC S1220A - Dual OP Amplifiers - Impedance sense for front and rear headphone outputs - Supports : 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 Feature : - SupremeFX Shielding™ Technology - Gold-plated jacks - Optical S/PDIF in port(s) at back panel - Audio Shielding - Premium Japanese audio capacitors - Audio Cover Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.
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) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port(s) 4 x USB 2.0 port(s)
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
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
Internal I/O Ports	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 Strip Header(s) 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 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) 1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s connector(s) 1 x Thunderbolt header(s) 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) 1 x System panel(s) 1 x Thermal sensor connector(s) 1 x Clear CMOS jumper(s)
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)
BIOS	256 Mb Flash ROM, UEFI AMI BIOS
Manageability	WOL by PME, PXE
Operating System	Windows® 10 64-bit
Form Factor	ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Note	Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3 When the M.2_2 Socket 3 is populated , SATA6G_5/6 ports will be disabled.