ASUS ROG STRIX B550-A GAMING - Motherboard - ATX - Socket AM4 - AMD B550 Chipset - USB-C Gen2, USB 3.2 Gen 1, USB 3.2 Gen 2 - 2.5 Gigabit LAN - onboard graphics (CPU required) -...

General

Product Type

Motherboard - ATX

Compatible Processors

Ryzen (supports 3rd Generation Ryzen)

Chipset Type

AMD B550

Processor Socket

Socket AM4

Max Processors Qty

1

Expansion / Connectivity

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

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

Power Connectors

4-pin ATX12V connector, 24-pin main power connector, 8-pin ATX12V connector

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

Internal Interfaces

4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x Thunderbolt - header ¦ 1 x audio - header

Miscellaneous

Width

30.5 cm

Depth

24.4 cm

Compliant Standards

DisplayPort 1.2

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

Cables Included

4 x Serial ATA cable

Included Accessories

Cable ties, 1 x M.2 screw, ROG fan stickers, ROG thank you card, RGB Addressable LED extension cable, rubber pad

Audio

Type

HD Audio (8-channel)

Compliant Standards

High Definition Audio, DTS Sound Unbound

Audio Codec

SupremeFX (S1220A)

Features

BIOS Type

AMI

BIOS Features

BIOS FlashBack, UEFI BIOS

Sleep / Wake Up

Wake on LAN (WOL), wake on PME

Hardware Features

Jack retasking, ASUS Q-Design, 12+2 Phase Power Design, Q-DIMM, ASUS EZ DIY, Q-LED, Q-Slot, CrashFree BIOS 3, audio jack detect technology, ASUS EPU (Energy Processing Unit), ASUS DIGI+ VRM, SupremeFX Shielding technology, AMD CrossFireX technology support, Preboot eXecution Environment (PXE), LANGuard, ASUS Fan Xpert 4, ASUS SafeSlot, Sonic Radar III, Sonic Studio III, ASUS ProCool, pre-mounted I/O shield, ASUS Aura Sync, ASUS OptiMem II, Armoury Crate, GameFirst VI

LAN

Network Interfaces

2.5 Gigabit Ethernet

Network Controller

Intel I255-V

Supported RAM

Technology

DDR4

Features

Dual channel memory architecture

Supported RAM Integrity Check

Non-ECC, ECC

Max Size

128 GB

Bus Clock

2400 MHz, 2133 MHz, 2800 MHz, 3000 MHz, 2666 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.), 3200 MHz

Registered or Buffered

Unbuffered