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Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

Designed for those seeking to get the most out of their build, ROG Strix B550 Gaming series motherboards offer a feature-set usually found in the higher-end Gaming series. ROG Strix B550-A Gaming is well-equipped, offering robust power delivery and effective cooling. As an added bonus, outstanding performance is complemented by a stunning finish and cyberpunk-inspired aesthetics that present a standout look.


Specification Summary

Product Description
ASUS ROG STRIX B550-A GAMING - motherboard - ATX - Socket AM4 - AMD B550
Product Type
Motherboard - ATX
Chipset Type
AMD B550
Processor Socket
1 x Socket AM4
Compatible Processors
Ryzen (supports 3rd Generation Ryzen)
Max RAM Size
128 GB
RAM Supported
4 DIMM slots - DDR4, ECC, non-ECC, unbuffered
Storage Ports
6 x SATA-600 (RAID), 2 x M.2
USB / FireWire Ports
1 x USB-C Gen 2 + 1 x USB 3.2 Gen 2 + 4 x USB 3.2 Gen 1 + 2 x USB 2.0 + (2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers)
Audio
HD Audio (8-channel)
LAN
2.5 Gigabit Ethernet

Specifications

EAN / GTIN:
4718017826594
General
Product Type
Motherboard - ATX
Chipset Type
AMD B550
Processor Socket
Socket AM4
Max Processors Qty
1
Compatible Processors
Ryzen (supports 3rd Generation Ryzen)
Supported RAM
Max Size
128 GB
Technology
DDR4
Bus Clock
2400 MHz, 2133 MHz, 2800 MHz, 3000 MHz, 2666 MHz, 3200 MHz, 3466 MHz (O.C.), 3600 MHz (O.C.), 3866 MHz (O.C.), 4000 MHz (O.C.), 4133 MHz (O.C.), 4400 MHz (O.C.), 4600 MHz (O.C.)
Supported RAM Integrity Check
ECC, non-ECC
Registered or Buffered
Unbuffered
Features
Dual channel memory architecture
Audio
Type
HD Audio (8-channel)
Audio Codec
SupremeFX (S1220A)
Compliant Standards
High Definition Audio, DTS Sound Unbound
LAN
Network Controller
Intel I255-V
Network Interfaces
2.5 Gigabit Ethernet
Expansion / Connectivity
Expansion Slots
1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 (PCIe 4.0 x16 mode (Ryzen series CPUs Matisse); PCIe 3.0 x16 mode (Ryzen series APUs)) ¦ 1 x PCIe 3.0 x16 (x4 mode) ¦ 3 x PCIe 3.0 x1
Storage Interfaces
SATA-600 -connectors: 6 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ SATA-600 / PCIe 4.0 -connectors: 1 x M.2 ¦ SATA-600 / PCIe 3.0 -connectors: 1 x M.2
Interfaces
1 x LAN (2.5Gigabit Ethernet) ¦ 4 x USB 3.2 Gen 1 ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x USB-C Gen2 ¦ 1 x USB 3.2 Gen 2 ¦ 1 x TOSLINK ¦ 1 x audio line-out (center/subwoofer) - mini-jack ¦ 1 x audio line-out (rear) - mini-jack ¦ 2 x USB 2.0 ¦ 1 x DisplayPort ¦ 1 x HDMI
Internal Interfaces
4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x Thunderbolt - header ¦ 1 x audio - header
Power Connectors
4-pin ATX12V connector, 24-pin main power connector, 8-pin ATX12V connector
Features
BIOS Type
AMI
BIOS Features
BIOS FlashBack, UEFI BIOS
Sleep / Wake Up
Wake on LAN (WOL), wake on PME
Hardware Features
Preboot eXecution Environment (PXE), ASUS OptiMem II, AMD CrossFireX technology support, LANGuard, SupremeFX Shielding technology, audio jack detect technology, jack retasking, GameFirst VI, Sonic Studio III, Sonic Radar III, Armoury Crate, ASUS Aura Sync, ASUS EPU (Energy Processing Unit), ASUS DIGI+ VRM, ASUS Fan Xpert 4, CrashFree BIOS 3, ASUS Q-Design, Q-DIMM, Q-LED, Q-Slot, pre-mounted I/O shield, ASUS ProCool, ASUS SafeSlot, ASUS EZ DIY, 12+2 Phase Power Design
Miscellaneous
Included Accessories
ROG fan stickers, cable ties, RGB Addressable LED extension cable, ROG thank you card, rubber pad, 1 x M.2 screw
Cables Included
4 x Serial ATA cable
Software Included
Drivers & Utilities, ROG CPU-Z, ASUS AI Suite III, ASUS EZ Update, Overwolf, ASUS EZ Flash 3, Antivirus, WinRAR, ASUS ROG RAMCache III, Sonic Studio Virtual Mixer, ROG GameFirst VI
Compliant Standards
DisplayPort 1.2
Width
30.5 cm
Depth
24.4 cm

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