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MSI 870A-G55 AM3 AMD 770 USB 3.0 ATX AMD Motherboard

(25) Write a Review
  • AMD 770
  • Phenom II
  • DDR3 800/1066/1333/1600 (OC)
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
Specs
Reviews (25)
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Learn more about the MSI 870A-G55

Model
Brand MSI
Model 870A-G55
Supported CPU
CPU Socket Type AM3
CPU Type Phenom II
FSB 2600 MHz
Chipsets
Chipset AMD 770
South Bridge AMD SB710
Memory
Number of Memory Slots 4x240pin
Memory Standard DDR3 800/1066/1333/1600 (OC)
Maximum Memory Supported 16GB
Channel Supported Dual Channel
Expansion Slots
PCI Express 2.0 x16 2 (x16, x4)
PCI Express x1 1 x PCI Express x1
PCI Slots 3 x PCI Slots
Storage Devices
PATA 1 x ATA133 2 Dev. Max
Serial ATA (SATA) 2 x SATA III (7~8) ports by Marvell 88SE9128
SATA RAID SATA II 1~6 support RAID 0, 1, 10 mode by AMD SB710
SATA III 7~8 support RAID 0, 1 mode by Marvell 88SE9128
Onboard Video
Onboard Video Chipset None
Onboard Audio
Audio Chipset Realtek ALC892
Audio Channels 8 Channels
Onboard LAN
LAN Chipset Realtek 8111E
Max LAN Speed 1Gbps
Rear Panel Ports
Back I/O Ports 1 x Optical S/PDIF Out / 1 x S/PDIF Coaxial Out / 1 x USB 3.1 Gen 1 / 2 x PS/2 / 6 x Audio Jacks / 6 x USB 2.0/1.1
PS/2 2
USB 3.0 1 x USB 3.0
USB 1.1/2.0 6 x USB 2.0
IEEE 1394 1 x IEEE 1394
S/PDIF Out 1 x Optical, 1 x Coaxial
Audio Ports 6 Ports
Internal I/O Connectors
Onboard USB 2 x USB 3.0 + 4 x USB 2.0
Onboard 1394 1 x 1394
Physical Spec
Form Factor ATX
Dimensions (W x L) 12" x 8.86"
Power Pin 24 Pin
Features
Features Auto OC Genie

Unlock CPU Core

APS - Active Phase Switching

CrossFireX Support

i-Charger
Additional Information
Date First Available January 06, 2011

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

Manufacturer Contact Info

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