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GIGABYTE GA-EP45T-DS3R LGA 775 Intel P45 ATX Intel Motherboard

  • Intel P45
  • Core 2 Quad / Core 2 Extreme / Core 2 Duo
  • DDR3 1900(O.C.)/1600
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Gigabyte's GA-EP45T-DS3R motherboard has been optimized to work more effciently with today's 45nm processors. The board has dynamic 6 gear power switching. As your system needs more power it gets it and when the power load goes down, so does the supplied power. This lets you have power when you need it, and save energy and money when you don't.

CPU power isn't the only thing that is energy regulated. The Gigabit Ethernet connection tests the connection for length and signal strength and optimizes transmission power for the connection. Dual LAN with teaming allows you to speed up your data transmission by using 2 connections as 1.

System durability and security are as important as ever. Gigabyte's DualBIOS system has a second BIOS chip on the motherboard for quick and painless recovery from crashes and viruses. They also built the motherboard with all conductive polymer aluminum solid capacitors for increased longevity and power efficiency. An Ultra TPM module keeps your data as safe as your system.

  • newegg Intel P45 Express Chipset for Intel LGA 775 CPU Based on the Intel P45 Express chipset, the GIGABYTE GA-EP45T-DS3R supports Intel LGA 775 (Socket T) processors including the Core 2 Extreme, Core 2 Quad, Core 2 Duo and Pentium D series as well as the next generation Intel 45nm processors.
  • newegg ATi CrossFireX Multi-GPU Technology Support ATi CrossFireX is the ultimate multi-GPU performance gaming platform, enabling two or more discrete graphics processors to work together for boosted system performance and a breakthrough gaming experience.
  • newegg DDR3 Memory Support The GIGABYTE GA-EP45T-DS3R features four DDR3 DIMM slots to support up to 8GB of DDR3 1900MHz memory for extreme overclocking performance.
  • newegg SATA II with RAID Support The second generation SATA interface delivers up to 300MB/sec transfer speed, doubling that of the first generation Serial ATA. The on-board six SATA II ports support RAID 0, 1, 5 and 10 for better performance, enhanced data security, and flexible capacity upgrades.
  • newegg Dual Gigabit LAN The integrated dual Gigabit LAN design allows a PC to serve as a network gateway for managing traffic between two separate networks. Dual Gigabit LAN means rapid data transfers from WAN to LAN without any added arbitration or latency.
  • newegg GIGABYTE DualBIOS GIGABYTE DualBIOS technology protects the BIOS from virus attacks. With its innovative backup BIOS design, this platform provides twice the security thus assuring the PC’s stability.

Learn more about the GIGABYTE GA-EP45T-DS3R

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Customer Reviews of the GIGABYTE GA-EP45T-DS3R

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  • Brian F.
  • 11/25/2013 9:10:28 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsreliable board

Pros: has lasted me over 5 years no complications

Cons: none

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  • William C.
  • 6/29/2009 11:04:17 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNo problem motherboard

Pros: Great board, good layout, easy install, tons of features, worked out of the box... what more could you want.

Cons: Comes with a E-SATA card which uses 2 of the six SATA ports. That's ok but if you want more than 2 hard drives and 2 optical drives you'll need to scratch the E-SATA install.

Other Thoughts: I put this in a Silverstone Grandia GD01 HTPC case which fit but was tight. If you are putting this into a flat case make sure the case will fit a full size ATX board. My optical drives just fit over the memory. This is DDR3 memory so the heat sinks need to be on the side not on the top as there would be no room for one of the optical drives. Just make sure to measure everything before you buy.

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

  • Jacob J.
  • 5/8/2009 1:05:42 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGreat board, Great overclocker!

Pros: Overclocks wonderfully, DDR3, Plenty of features. For the money this is one of the best boards you can get! Easily overclocked my E6300 to 3.0ghz with no strain at all. Took my E2160 to 3.2 no problems! Got mine a lot cheaper, bought it open box elsewhere.

Cons: Northbridge cooling could be better, but if you want better get the UD3P.

Other Thoughts: Solid board, good construction, good price.

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

  • CG T.
  • 4/28/2009 1:12:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat board!

Pros: Great board. Beautiful design.
Has pretty much everything you need.
Vendor support is great!
I will definitely buy Gigabyte again!!!

Cons: Needs more pci slots.

Other Thoughts: Hardware:
Intel Core 2 Quad Q9550 Yorkfield 2.83GHz
SAPPHIRE Vapor-X Radeon HD 4870 2GB
CORSAIR XMS3 DHX 4GB (2 x 2GB) DDR3-1600
LG Burner (I don't recommend)
WD Caviar Black 1TB
Vista Ultimate SP1 64-bit
Rosewill RP550-2 550W
Rosewill R901-P BK
All thanks to!!!

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  • Emir M.
  • 4/23/2009 10:46:46 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsseems like a great midrange board

Pros: supports 1600 FSB, so you don't have to purchase expensive X48 boards, IMSM (RAID), 1394, 2xLAN, DDR3.
I'm running it with YKFD 3.2 at 1600 and DDR3 1066. Everything works fine so far, no issues. I'm only listing features that are important to me...board has a lot more features than that.

Cons: Board was dead out of box - powers up but does not POST. I tried yorkfiled, kentsfield, wolfdale, conroe, different DDR3, different PS and nothing. Then I read somewhere that you have to power the board without CMOS battery, power down and then power it up and you can finally get to the BIOS - other than on development prototype boards, I have never had to do this on any production motherboard and one shouldn't have to. That is a shame on Gigabyte, who otherwise has consistently great products. But this board almost got needlesly RMA-ed.
However, featurewise and stabilitywise, it really depends on what you wanted out of this board, but I don't see any so far. can't go wrong with it really.

Other Thoughts: Why not 5 stars...well it simply wouldn't POST out of the box. Once I performed boot without battery, it started working without any issues. Otherwise, I would have given it a 5 (had it for 1 week only though) - will try some video editing tonight and I'll update if things look differently.
I haven't tried overclocking it. I really don't understand why you'd need that anyways with software being so far behind hardware in this world. Be careful of reviews wich complain about not being able to overclock FSB to more than 1600 - board is certified to work at 1600, if you want more and it doens't work, it is not design/manufacturer fault, furthermore, there is absolutely no way to know (without special equipment) which component is causing the failure when things get OCed. If you want a board to work as certified, this one seems like a really good deal.

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  • Denise S.
  • 4/11/2009 7:35:28 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week

4 out of 5 eggs

Pros: Very easy to assemble first cpu build since window 3.1 and i must say it was much easier setup.drivers loaded without a hitch and OS good to go.once assemble had cpu up and running in 4 hours ;D

Cons: sorry to say not SLI compliant but hey who needs two monitors.

Other Thoughts: running vista ultimate 64 bit OS; intel quadcore Q8300 2.5Ghz;Gforce8500GT(Midrange) videocard w/512mb;
4 Gig Ram

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

  • Jason S.
  • 4/7/2009 5:09:18 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood Board

Pros: This is a good board I cant say much but it was worth it.

Cons: I know people were complaining about the bios being flawed. Mine came with F2 but I flashed to F3 right after I got it up and running. The only draw back I had was the speed of the proc but a simple fix took care of it.

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  • Jason B.
  • 3/19/2009 1:25:30 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsDecent board for the price

Pros: Nice board layout and plenty of expansion slots. The manual does a fair job of explaining what all the BIOS settings mean and how to change them.

Cons: The system clock is not as flexable as I hoped. I bought DDR3 1600 (which it supports) with a Quad Q9550 2.83GHz processor. But with that processor the clock will only let me take the memory up to about 1200 max. So I can't take full use of the memory speed. I could have saved some money and went with slower memory.

Other Thoughts: Plan which processor you want to use and look up it's clock speed and plan your memory accordingly. It might save you from wasting your money.

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  • Anonymous
  • 3/17/2009 12:08:14 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsGigabyte's Major Faceplant

Pros: See the 'Other Thoughts' first. This is the first of two identical systems. This is what you would call that 'stable' system. The first problem is this board cannot run 'stable' with it's optimal setting set. For example, it cannot run the RAM at it's 1600MHz top speed. Period. The only way this board ran stable is with the fail-safe defaults loaded. Not a chipper start. Other than that, it runs fine, it's quick and reasonably reliable, although occasionally, the computer inexpicably doesn't have enough memory to do anything (even though there is 4GB of it, with nothing running). It works for what I need it to do.

Cons: This is the second of the two. I don't know where to begin. As I am writing this for you, the second motherboard is on its way back to Gigabyte for the SECOND time, after returning from Gigabyte supposedly fixed only YESTERDAY. That's right! I got it back, built it up, and in the first part of windows XP installation (inside XP's DOS Shell), the computer keeps forgetting that there's a DVD Drive, and therefore cannot keep copying files from the windows disk. This usually indicates a RAM, DVD Drive, or a scratched CD problem, but after determining that the CD is still in mint condition, and the DVD drive still works perfectly, and so does the RAM (as determined by switching components from the 'Pros' computer), It was determined that the motherboard is still damaged after coming back from being repaired. Summed up, this is a terrible motherboard, I would not recommend this to anyone, period. It's buggy, unreliable, and can't run under optimal settings.

Other Thoughts: The computer from the Pros and the computer from Cons are Identical in every way. Same exact RAM, same Hard drives, video, power supplies, processors. Even the cases and monitor are the EXACT same. I've been supremely disappointed with Gigabyte recently, as the last 3 motherboards that were purchased from them face-planted, and had to be repaired/replaced. I used to buy Gigabyte boards as exclusively as I could, because they were good boards, but this recent streak of bad product is forcing me to switch primary motherboard vendors. System specs:

OCZ OCZ3G16004GK 4GB DDR3 1600MHz
Intel Core 2 Duo E8400
Western Digital Caviar SE WD1600AAJS 160GB SATA3
Microsoft Windows XP SP3
Rosewill Stallion Series RD500-2DB 500W ATX12V Power Supply

As I said, two machines, identical, two completely different results.

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

  • Tony V.
  • 2/22/2009 4:10:21 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsBest motherboard I've ever had

Pros: support for legacy hardwares, 8 USB ports, 2 LAN ports, VERY stable, Dual BIOS, DDR3 support, 45nm CPU support, VERY overclockable!!

I am just amazed at how many features this thing has. It's incredible for the low price of $130.

Cons: None at all =)

Other Thoughts: My current rig:
OS: Windows Vista Home Premium 64-bit
CPU: Core 2 Quad Q6600 G0 @3.2GHz
Cooling: Zalman CNPS9500A LED + Arctic Silver 5
Video: Radeon HD 4850 OC'd 685/2200
Memory: 4Gb Patriot DDR3 1333mhz 5-5-5-15 @1.88v
HDD: 640Gb SATA Western Digital Caviar
Mobo: Gigabyte GA-EP45T-DS3R
PSU: Antec Earthwatts EA500D 500w

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