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Item#: N82E16813128443

GIGABYTE GA-870A-UD3 AM3 AMD 870 SATA 6Gb/s USB 3.0 ATX AMD Motherboard

neweggOUT OF STOCK.

  • AMD 870
  • Phenom II / Athlon II / Sempron 100 Series
  • DDR3 1866(OC)/1333/1066
  • *To reach DDR3 1866MHz or above, you must install two memory modules and install them in the DDR3_3 and DDR3_4 memory so
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Learn more about the GIGABYTE GA-870A-UD3

Model

Brand
GIGABYTE
Model
GA-870A-UD3

Supported CPU

CPU Socket Type
AM3
CPU Type
Phenom II / Athlon II / Sempron 100 Series
FSB
2600MHz Hyper Transport (5200 MT/s)

Chipsets

Chipset
AMD 870
South Bridge
AMD SB850

Memory

Number of Memory Slots
4×240pin
Memory Standard
DDR3 1866(OC)/1333/1066
*To reach DDR3 1866MHz or above, you must install two memory modules and install them in the DDR3_3 and DDR3_4 memory sockets.
Maximum Memory Supported
16GB
Channel Supported
Dual Channel

Expansion Slots

PCI Express 2.0 x16
1 x PCI Express x16 slot, running at x16 (PCIEX16)
1 x PCI Express x16 slot, running at x4 (PCIEX4)

Note: The PCIEX1_1 and PCIEX1_2 slots share bandwidth with the PCIEX4 slot. When PCIEX4 slot is populated with a x4 card, the PCIEX1_1 and PCIEX1_2 slots become unavailable.
PCI Express x1
2
PCI Slots
3

Storage Devices

PATA
1 x ATA133 2 Dev. Max
SATA 3Gb/s
2
SATA 6Gb/s
6 x SATA 6Gb/s
SATA RAID
SATA 6Gb/s: RAID 0, RAID 1, RAID5, RAID 10, and JBOD
SATA 3Gb/s: RAID 0 and RAID 1 and JBOD

Onboard Video

Onboard Video Chipset
None

Onboard Audio

Audio Chipset
Realtek ALC892
Audio Channels
8 Channels

Onboard LAN

LAN Chipset
Realtek 8111D
Max LAN Speed
10/100/1000Mbps

Rear Panel Ports

PS/2
1
USB 1.1/2.0
8 x USB 2.0
USB 3.0
2 x USB 3.0
IEEE 1394
2 x IEEE 1394a
eSATA
2 x eSATA 3Gb/s
S/PDIF Out
1 x Optical, 1 x Coaxial
Audio Ports
6 Ports

Internal I/O Connectors

Onboard USB
4 x USB 2.0
Onboard 1394
1 x 1394a

Physical Spec

Form Factor
ATX
Dimensions
12" x 9"
Power Pin
24 Pin

Features

Features
Supports new generation of AMD Phenom II X6 processors

Supports newest NEC SuperSpeed USB 3.0 with superfast transfer rates of up to 5 Gbps

3X USB power delivery for greater compatibility and extra power for USB devices

Exclusive Auto Unlock technology provides hardware-based solution for unleash CPU performance

Advanced 8+2 phase CPU VRM power design for AMD high-TDP 140W CPU support

2 PCI-E 2.0 x16 interface for ultimate graphics performance

The Precision OV provides more precision voltage control for system

Manufacturer Warranty

Parts
3 years limited
Labor
3 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of the GIGABYTE GA-870A-UD3

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  • Tripperdude
  • 11/3/2013 9:58:48 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGoing strong over 3 years...

Pros: <KOW> This is the most reliable board I have ever owned. I can only compare it to my Iwill K-266+R, which if not for a lightning strike unprotected power surge would still be in business today.

The GA-870-UD3 runs cool and solid and has more peripherals than today's boards. Slipped in a USB3 and two USB2 brackets and now I have more outlets than I know what to do with. Adding a Toshiba SSD and Radeon HD 7850 from Newegg, my Win7 "Experience" finally hit 7.9...not bad for a 3+ yr old mobo ;-)

Cons: Initially I was disappointed I could not raise the bus over 200 mhz without instability but I got over it by raising the multiplier to x20. I use PhenomMsr to manage steppings and most of the time it runs at 202x10 with an HTT at x12. I raised vcore and vram just slightly to accommodate heavy loads and run all else at default. I use G.Skill PC3-12800 and a 960T: min 20C/max 66C at 100%.

Other Thoughts: I have not upgraded the BIOS in three years, but so what? By not trying to push the board or cpu to the max they have been Rock Solid. I've been through three video cards, three CPUs and five hard drives but this board has managed them all. I couldn't be more pleased, thank you Gigabyte for making such a fine board!

Did you find this review helpful? Yes No

  • N/A
  • 5/4/2013 10:45:55 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsVideo card issues

Pros: AMD - Cheap, worked as advertised

Cons: Unfortunately, bought this 8/24/2010 and over the last several months, I've had random blue screens, video card related issues. Well, after swapping out 3 video cards, running memtest, the problem still exists and it appears to be the motherboard. I read that other reviewers noted they also had video troubles stemming from the board.

Other Thoughts: Frustrating to diagnose. Counting on the RMA.

0 out of 1 people found this review helpful. Did you? Yes No

  • Endurance
  • 4/7/2013 5:26:51 AM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsbefore i buy a new board..

Pros: lets just say im an AMD fan and i luv newegg! before i buy a new board i figured i'd leave a little review of my experience with it.. although it works fine for me theres several things wrong with this board:

Cons: 1. i have a geforce 660 gtx which i plan on adding SLI in the future BUT stated in the manual, one PCI-E performs at 16x while the other performs at 4x, and that 4x slot shares bandwith with the PCI-E 1x which is where my Asus Xonar Essence STX sound card is.. SLI would make the sound card not operate and the sound card doesnt work in a regular PCI slot

2. although i havent had trouble with the raid controller, the one provided by gigabyte is not very good at all and not only that, the SATA connectors are placed in a awkward position on the board which makes it hard to SLI two long video cards.. REMOVING them is even more of a hassle

3. the overclocking capabilities is not very good at all.. im speaking about the voltage increments since its very limited and makes overclocking very frustrating

4. the gigabyte software provided with it conflicts with many online games anti-cheat protection like gameguard or nprotect and can get u banned from some online games if its not closed from the system tray

5. while starting my computer and booting to windows 7 i've noticed the power to my keyboard and mouse temporarily shuts off and then back on.. i know this is not a PSU issue because i already replaced my old one with a Corsair HX750.. the cause is most likely the USB

6. i havent had any problems with the ethernet port but many people have

Other Thoughts: if you wanted to SLI or you have several hard drives or SSD and want to do a RAID configuration i recommend you dont get this board.. the newer gigabyte boards also seem to have the same problems

Did you find this review helpful? Yes No

  • N/A
  • 1/24/2013 1:33:38 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsCrashes video card

Pros: Average

Cons: Tried numerous boards and video cards and kept getting video crashes. Piece of junk

1 out of 1 people found this review helpful. Did you? Yes No

  • DannyC
  • 11/24/2012 12:59:54 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsBad experience with this Gigabyte purchase

Pros: Was great while it "worked".

Cons: Started having issues after a few months. USB ports started dying, tons of Windows 7 blue screens, just awful. Resolved issue with a new motherboard from another vendor. Been solid since. Guess I was one of the unlucky buyers.

Did you find this review helpful? Yes No

  • ChrisA
  • 10/11/2012 12:35:52 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsGood while it worked

Pros: It worked out of the box and was easy to setup.

Cons: Within the last 2 months the board has gotten really flaky. I have a 50/50 chance of booting past the bios when starting up and it's also recently decided that it doesn't like USB devices plugged in while booting.

Oh, and Gigabyte's website is absolutely horrible.

Other Thoughts: Honestly, a motherboard should last more than 2 years. Bad form Gigabyte!

1 out of 1 people found this review helpful. Did you? Yes No

  • N/A
  • 9/7/2012 8:54:27 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsgreat Board

Pros: I have had this card for over 2 years and have not had 1 problem. The only reason I may change it is because I am thinking about upgrading video card and it might not be compatible

Cons: None son

Did you find this review helpful? Yes No

  • N/A
  • 8/14/2012 7:42:52 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggs

Pros: Worked great at first.

Cons: went bad in less than a year

Did you find this review helpful? Yes No

  • Squirrel
  • 6/28/2012 8:30:26 PM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsGreat at first

Pros: When it worked it was great and computer ran very smoothly and I was impressed

Cons: After a month or so I began experiencing random crashes of applications and blue screens of death. There was nothing in event logs so I began trouble shooting. I reinstalled windows, replaced the hard drive, replaced the memory, and replaced the video card and the issue continued. A year into this process the on board NIC stops working so I RMA the motherboard explaining the NIC problem and the crashing. I go without a computer for a few weeks (hard to do for and IT\Gamer guy) and get it back and the crashes are still happening just as frequently. On the plus side the NIC now works so when it inst crashing I can get on the internet. I always thought Gigabyte was a good brand and I bought this motherboard specifically for the warranty and guarantee and that seems to have gotten me no where. I guess i will have to give up and pay for another motherboard, since they didn't fix it like they were supposed to.

Did you find this review helpful? Yes No

  • N/A
  • 6/20/2012 10:25:54 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggswonderful

Pros: I have had this for almost 2 years and Not one issue.

Cons: None really

Did you find this review helpful? Yes No

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