Model

Brand

ASUS

Model

A55BM-A/USB3

Supported CPU

CPU Socket Type

FM2+ / FM2

CPU Type

Athlon/A- Series (FM2+)

Chipsets

North Bridge

AMD A55 (Hudson D2)

Memory

Number of Memory Slots

2×240pin

Memory Standard

DDR3 2133/1866/1600/1333

Maximum Memory Supported

32GB

Channel Supported

Dual Channel

Expansion Slots

PCI Express x16

1 x PCIe 3.0 x16

PCI Express x1

1

PCI Slots

1

Storage Devices

SATA 3Gb/s

6

SATA RAID

0/1/10/JBOD

Onboard Audio

Audio Chipset

Realtek ALC887-VD

Audio Channels

8 Channels

Onboard LAN

LAN Chipset

Realtek 8111G

Max LAN Speed

10/100/1000Mbps

Rear Panel Ports

PS/2

1 x PS/2 keyboard 
1 x PS/2 mouse

Video Ports

1 x DVI
1 x D-Sub

HDMI

1 x HDMI

USB 1.1/2.0

2 x USB 2.0

USB 3.0

2 x USB 3.0

Audio Ports

3 Ports

Internal I/O Connectors

Onboard USB

4 x USB 2.0

Other Connectors

1 x COM port(s) connector(s)
1 x CPU Fan connector(s) 
1 x Chassis Fan connector(s) 
1 x S/PDIF out header(s)
1 x 24-pin EATX Power connector(s)
1 x 4-pin ATX 12V Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x Internal speaker connector(s)
1 x System panel(s)

Physical Spec

Form Factor

Micro ATX

Dimensions

8.9" x 7.2"

Power Pin

24 Pin

Features

Features

New UEFI BIOS - Friendlier, easier, and more intuitive with helpful info added

USB 3.0 Boost (UASP Support) - 170% faster transfer speeds than traditional USB 3.0

Network iControl - Real-time network bandwidth management

ASUS 5X Protection :
- ASUS DIGI+ VRM - 3 + 1 Phase digital power design
- ASUS Enhanced DRAM Overcurrent Protection - Short circuit damage prevention 
- ASUS ESD Guards - Enhanced ESD protection 
- ASUS High-Quality 5K-Hour Solid Capacitors - 2.5x long lifespan with excellent durability 
- ASUS Stainless Steel Back I/O - 3x more durable corrosion-resistant coating 

ASUS EPU :
- EPU 

ASUS Exclusive Features :
- AI Suite 3
- Ai Charger+
- Anti-Surge
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface 
- Network iControl
- USB 3.0 Boost
- Disk Unlocker

ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert 

ASUS EZ DIY :
- ASUS CrashFree BIOS 3 
- ASUS EZ Flash 2 
- ASUS MyLogo 2 

ASUS Q-Design :
- ASUS Q-Slot

Packaging

Package Contents

ASUS A55BM-A/USB3 Motherborad
User's manual
I/O Shield
2 x SATA 3Gb/s cable(s)