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earn more about ASUS PRIME B550M-A AC

Model

Brand

ASUS

Model

PRIME B550M-A AC

Supported CPU

CPU Socket Type

AM4

CPU Type

Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Processors* Refer to www.asus.com for CPU support list.

Chipsets

Chipset

AMD B550

Memory

Number of Memory Slots

4x288pin (DDR4)

Memory Standard

DDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133** Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.

Maximum Memory Supported

128GB

Channel Supported

Dual Channel

ECC Supported

ECC Memory (ECC mode) support varies by CPU.

Buffer Supported

Un-buffered

Expansion Slots

PCI Express 4.0 x16

1 x PCI Express 4.0 x16** Actual support may vary by CPU.

PCI Express x1

2 x PCIe 3.0 x1

Storage Devices

SATA 6Gb/s

4 x SATA 6Gb/s

M.2

AMD Ryzen 5000 Series / 3000 Series Desktop Processors:1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 4.0 x4 and SATA modes) storage devices supportAMD Ryzen 5000 G-Series / 4000 G-Series Desktop Processors:1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices supportAMD B550 Chipset:1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

SATA RAID

0/1/10

Onboard Video

Onboard Video Chipset

Supported only by CPU with integrated graphic

Onboard Audio

Audio Chipset

Realtek ALC887/897

Audio Channels

7.1 Channels** A chassis with an HD audio module in the front panel is required to support 7.1-channel audio output.

Onboard LAN

LAN Chipset

Realtek RTL8111H

Max LAN Speed

10/100/1000Mbps

Wireless LAN

Wi-Fi 802.11 a/b/g/n/ac

Bluetooth

Bluetooth 5.0

Rear Panel Ports

Back I/O Ports

1 x PS/2 keyboard/mouse combo port(s)1 x DVI-D1 x D-Sub1 x HDMI1 x LAN (RJ45) port(s)2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)4 x USB 3.2 Gen 1 (blue) Type-A3 x Audio jack(s)1 x ASUS Wi-Fi Module

Internal I/O Connectors

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)2 x Chassis Fan connector(s)2 x Aura RGB Strip Headers1 x Addressable Gen 2 header(s)1 x SPI TPM header1 x S/PDIF out header(s)1 x Front panel audio connector(s) (AAFP)1 x Clear CMOS jumper(s)1 x System panel connector1 x COM port header1 x Speaker connector

Physical Spec

Form Factor

Micro ATX

LED Lighting

RGB

Dimensions (W x L)

9.6″ x 9.6″

Power Pin

1 x 24-pin EATX Power connector(s)1 x 8-pin EATX 12V Power connectors

Features

Features

Software Features:ASUS Exclusive SoftwareArmoury Crate- Aura Creator- Aura SyncAI Suite 3- Performance And Power Saving UtilityTurboV EVOEPUDigi+ VRMFan Xpert 2+- EZ updateASUS CPU-ZAI ChargerDAEMON ToolsNorton Anti-virus software (Free Trial for 60 days)WinRARUEFI BIOSASUS EZ DIY- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS UEFI BIOS EZ ModeASUS Special Features:ASUS 5X PROTECTION III- ASUS DIGI+ VRM- ASUS LANGuard- ASUS Overvoltage Protection- ASUS SafeSlot Core- ASUS Stainless-Steel Back I/OASUS Q-Design- ASUS Q-DIMM- ASUS Q-SlotASUS Thermal Solution- Aluminum heatsink designAURA Sync- Standard RGB headers- Addressable Gen 2 RGB headerASUS Lighting Control BIOS:256 Mb Flash ROM, UEFI AMI BIOSManageability:WOL by PXEOperating System:Windows 10 64-bit