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Intel Motherboards > 
Item#: N82E16813128371

GIGABYTE GA-EP45T-UD3LR LGA 775 Intel P45 ATX Intel Motherboard

  • Intel P45
  • Core 2 Quad / Core 2 Extreme / Core 2 Duo
  • DDR3 2200(O.C)/1333
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Learn more about the GIGABYTE GA-EP45T-UD3LR



Supported CPU

CPU Socket Type
LGA 775
CPU Type
Core 2 Quad / Core 2 Extreme / Core 2 Duo


Intel P45
South Bridge
Intel ICH10R


Number of Memory Slots
Memory Standard
DDR3 2200(O.C)/1333
Maximum Memory Supported
Channel Supported
Dual Channel

Expansion Slots

PCI Express 2.0 x16
PCI Express x1
PCI Slots

Storage Devices

1 x ATA100 2 Dev. Max
SATA 3Gb/s

Onboard Video

Onboard Video Chipset

Onboard Audio

Audio Chipset
Realtek ALC888
Audio Channels
8 Channels

Onboard LAN

LAN Chipset
Realtek 8111C
Max LAN Speed

Rear Panel Ports

USB 1.1/2.0
8 x USB 2.0
1 x Optical, 1 x Coaxial
Audio Ports
6 Ports

Internal I/O Connectors

Onboard USB
4 x USB 2.0

Physical Spec

Form Factor
12.0" x 8.3"
Power Pin
24 Pin

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


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

Customer Reviews of the GIGABYTE GA-EP45T-UD3LR

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  • Michael D.
  • 6/29/2011 10:59:54 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsDon't honor warranty

Pros: Cheap

Cons: The board corroded and failed in under 2 years. Gigabyte would not honor the warranty due to "physical damage" even though the user did not do anything to cause the damage. It was not used in an extreme or moist environment. It was not near or exposed to water or any source of moisture. No other computers or components in this household have ever experienced any type of corrosion. This is obviously an issue with their board. Either cheap components and/or metal, or a coating failure in the manufacturing process.

One of the main reason I purchased this over another manufacturer was because of the three year warranty. So much for that. If they can void the warranty at will, buying an extended warranty is a waste of money. Go with a company that will stand behind their product.

2 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 2/9/2011 3:30:29 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent board for the money

Pros: I have purchased this board for my personal computer ,as well as multiple machines I have built for my father's business. I have had 0 issues with this board on every single machine I have assembled (I'd have to look back for the exact number, but I've built at least 6 machines using this board now).

I've used this board with the same memory every time (DDR3 1333 PC3 10666 Dual-channel G.Skill 2GB chips) and have had 0 RAM problems. If you use what the board suggests properly: voltage, timing, etc., you will not have any problems. I do not believe most people look into this, as they should when building their computers.

The board is a good price for a budget build, much less expensive than a comparative ASUS board. It has only one PCI-E 2.0 slot, so this is not an SLI capable board (for hardcore gamers).

I have used this board with a variety of video cards without a problem, ranging from NVidia 8500GT to ATI Radeon 5850 to Nvidia GTX470 Fermi.

Cons: Sometimes, I wish it had a second PCI-E 2.0 slot, but I knew that it only had one before purchase.

I also wish it had another USB connection for front facing USB ports which many cases have now, instead of firewire.

Other Thoughts: SOLID board, solid buy. I have had a problem in the past with Gigabyte, having received a DOA board from them, but that was a few years ago, and a different model motherboard.

I have not had a problem with this line of motherboards, and will stand behind it having used it for my father's business.

Other more expensive boards may outperform this one, but for the price of the board, this may be or may have been one of the best available at the time.

Did you find this review helpful? Yes No

  • Philip N.
  • 8/30/2010 7:18:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsMuch happier

Pros: Fast - stable - heavy - solid

Cons: Only 1 PCI 2.0 x 16 slot. No eSATA (not cons, but it made me put something in here)

Other Thoughts: I got this to replace an Intel MOBO that was freezing once a day (even with latest BIOS). Since I bought this, I forgot about it even being here and that's a good MOBO, in my opinion. It works, so I don't notice it and that's a good thing. I don't know how it fares with overclocking or anything like that, I am a stock-is-fine person. It's really heavy for a mobo. Everything I've thrown at it works well. I wish it had an eSATA, but I can manage without one. I now have two machines running this MOBO: one has been running nonstop for 1 year and another I've had for 4 months and it gets turned off every day and both work without flaw. You can get a cheaper board, but this thing is proving to be solid.

Did you find this review helpful? Yes No

  • Matthew M.
  • 8/29/2010 11:06:04 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Motherboard

Pros: Great Mother board, worked well for what I needed, love all the USB ports, I have a ATI HD5850, I do some mild gaming, GTA, Crysis, L4D have had no problems with the motherboard playing games

Cons: Awkward size NOT standard ATX

Did you find this review helpful? Yes No

  • Daniel W.
  • 8/29/2010 2:53:09 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood board for the money

Pros: Yeah all some of u guys need to read the ram requirement before saying the board is picky about ram. Also make sure the bios recognizes the timing on it ram automatically. I had to manually set the bios to 8-8-8-21 because it had my ram at 9-9-9 for some reason. But after adjustment it flew with no issues.

Cons: Ram timing adjustment.

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  • Anonymous
  • 8/3/2010 10:22:21 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsRockin 775 board

Pros: Solid board with pretty up to date features. Install was a piece of cake and started right off the bat no problems. Board wil take a variety of CPU's and is not too finicky about ram.

Cons: SATA RAID is software but what do you expect from an inexpensive board!

Other Thoughts: This board will not support SATA I/II drives only. Will work with a SATA III drive but only at 3.0 GB/s.

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

  • Anonymous
  • 8/1/2010 4:00:46 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Motherboard

Pros: I agree with Facepalm or faceplate, all the poor reviews are 100% american rejects. Computers have a lot of diff features and specs, do research before buying hardware. I have 8gb of DDR3 Ram at 1033 and my computer is incredibly fast I have a Quadcore 2.83Ghz Intel processor

Cons: None yet

Other Thoughts: I was reviewing the specs and was confused, can anybody help me out and let me know if this mobo will support a 6.0gb/s hard drive? It looks like it will but I'm unsure.

1 out of 3 people found this review helpful. Did you? Yes No

  • Ronald K.
  • 7/22/2010 11:17:42 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks for me.

Pros: Socket 775 for Dual Core Intel 3.33 CPU at 1333 1.5 volt ram slots that took Gskill 12800 RAM (4 x 1gb sticks) Finally gets rid of ribbon cable technology. Slightly smaller than the full size motherboard I am used to. Idiot proof for me. Rather simple layout. Not much for me to do prior to first boot. It withstood the Zalman 9700 CPU Cooler install very strong. There is not much else left to do but boot the thing after connecting the sata cables.

I like the 4 little lights near the CPU FAN that show certain colors during Bios Boot Post to indicate normal operation.

Cons: BSOD on Session3_Interrupt blah blah blah because CDROM was using a Ribbon cable. Throw cdrom away, cable throw away and buy a LG 24x SATA DVD; that error goes away for good.

I had to throw away my 20 Pin ATX Power pack for good. The board requires a 20+4 Pin ATX Power. I put in a Antec 650 watt power supply that solved the issue and still provided the 4 pin needed near the CPU on the motherboard.

There is not much I can do with this board. Maybe 2 gig modules, a 4 core socket 775 chip or perhaps a bigger monster PCIe video card. But what does all that matter? It works well enough as it stands now.

Take caution because it has drivers, software and bloat on disk. Take only what you need to make everything work within your Computer's "Device Manager" Don't allow Microsoft Update to install optional software onto it.

READ that Splash screen when you Boot before pushing buttons. There are 4 options availible. One of which will put you into a Bios update flash. CAUTION!!! with t

Other Thoughts: This board is a replacement for the burned out ASUS P4P800-E Deluxe with a failed RAID and bricked bios/CPU. It requires me to toss Ribbon cables, Audio cables and many other old fashioned technology for good.

It took a cheapie Palit 250 GTS Card without any trouble. I reused the Antec 900 Case. I installed the old Retail XP Pro without any trouble. It actually updated itself within a few hours and reactivated on what is essentially a brand new computer without any issue or hassle.

I was careful only to select from the Motherboard disk just enough drivers to satisfy "My computer-properties-device manager" Needs. When all devices are installed I stopped the use of the install. For example I did not install the Energy Saving software that came with the Motherboard DISK.

This board provided a foundation for a simple 700 dollar rebuild of a failed computer. I think this will be the last socket 775 I will build. Upgrade options limited, but computer is for net browsing, older game

2 out of 3 people found this review helpful. Did you? Yes No

  • Jeffrey S.
  • 7/12/2010 8:51:45 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsJunk don't buy

Pros: Cheap

Cons: Something is seriously wrong with the DIMM slots and communications with DDR3. Memtest 86+ locks up but does not report and DDR3 errors.

Other Thoughts: Buy quality not from Taiwan.

0 out of 5 people found this review helpful. Did you? Yes No

  • Kyle G.
  • 7/11/2010 1:52:48 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggs*facepalm*

Pros: Everything. The board itself is 100% stable, and has no problems and plenty of features for the money. Not to mention over-clocking is a complete BREEZE.

Cons: Reading through some of the most uneducated reviews I have ever seen.

Other Thoughts: People keep saying this board is picky about the RAM it requires. Let me clue everyone in on something. Look at what it requires/supports, and then buy THAT RAM. It's not gigabyte's fault the board uses 1.5V and you decided to buy 1.9v. Use your heads.

6 out of 6 people found this review helpful. Did you? Yes No

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Item#: N82E16813128371
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