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GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard

This product can only be exchanged or replaced with the exact same item.
GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard - 1
Actual product may not be exactly as shown.
GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard - 34004_l.jpg GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard - 34004_1.jpg GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard - 34004_2.jpg GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard - 34004_3.jpg Customer Photos (0)
Reg. Price: $132.25  CAD
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   Shipping Weight:   5 lbs
   Part #: GA-EP45-UD3R

Features    [ Edit | History ]

The GA-EP45-UD3R introduces revolutionary GIGABYTE Ultra Durable 3 technology featuring a 2 oz copper PCB to help reduce system temperature and dramatically enhance performance. Based on the Intel P45 chipset the GA-EP45-UD3R delivers a record-setting 1600MHz FSB for the latest Intel Core 2 multi-core processors, and supports dual channel DDR2 memory at speeds of up to 1366MHz and even higher. Additionally, the GA-EP45-UD3R incorporates GIGABYTE DES Advanced technology for industry leading energy saving and enhanced system efficiency.

Quick Specs:
Maximum Memory 16 GB
Form Factor ATX
Processor Supported Core 2 Extreme Quad-Core Core 2 Quad Core 2 Duo Core 2 Extreme Pentium Dual-core Pentium Extreme Edition Pentium D Pentium 4 (Extreme Edition) Pentium 4 Celeron Celeron D
RAID Levels 0 1 JBOD
Total Processor Supported 1
Controller Type Floppy Controller Serial ATA/300 Ultra ATA/133 (ATA-7)
Processor Socket Socket T LGA-775
Memory Technology DDR2 SDRAM
Memory Standard DDR2-1066/PC2-8500 DDR2-800/PC2-6400 DDR2-667/PC2-5300
Width 12"
Depth 9.6"
Front Side Bus 1600 MHz 1333 MHz 1066 MHz 800 MHz
Green Compliant Yes
Green Compliance Certificate/Authority RoHS WEEE
64-bit Processing Yes
Chipset Manufacturer Intel
Chipset Model P45 Express
Number of Memory Slots 4
Number of PCI Slots 2
Audio Channels 7.1
Gigabit Ethernet Yes
Number of IDE Interfaces 1
Number of SATA Interfaces 8
Number of PCI Express x1 Slots 3
RAID Supported Yes
Number of Total Expansion Slots 6
Number of PCI Express x16 Slots 1
Network (RJ-45) Yes
Total Number of USB Ports 8
Total Number of FireWire/i.LINK Ports 2
PS/2 Port Yes
Number of PS/2 Ports 2
Total Number of Onboard USB Ports 2
Total Number of Onboard FireWire/i.LINK Ports 1
Onboard S/PDIF Header Yes
Total Number of PCI Express Slots 4

Specifications    [ Edit | History ]
     Audio Channels: 7.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC889A
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GA-EP45-UD3R
     Manufacturer Website Address:
     Product Model: GA-EP45-UD3R
     Product Name: GA-EP45-UD3R Desktop Motherboard
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Floppy Controller
Serial ATA/300
Ultra ATA/133 (ATA-7)
     RAID Levels: 0
     RAID Supported: Yes
I/O Expansions  
     Number of PCI Express x1 Slots: 3
     Number of PCI Express x16 Slots: 1
     Number of PCI Slots: 2
     Number of Total Expansion Slots: 6
     Total Number of PCI Express Slots: 4
     Audio Line In: Yes
     Audio Line Out: Yes
     Microphone Port: Yes
     Network (RJ-45): Yes
     Number of FireWire/i.LINK 400 Ports: 2
     Number of PS/2 Ports: 2
     Number of S/PDIF Out Ports: 2
     Number of USB 2.0 Ports: 8
     PS/2 Port: Yes
     S/PDIF: Yes
     Total Number of FireWire/i.LINK Ports: 2
     Total Number of USB Ports: 8
     Maximum Memory: 16 GB
     Memory Standard: DDR2-1066/PC2-8500
     Memory Technology: DDR2 SDRAM
     Number of Memory Slots: 4
     Additional Information:
  • Natively support to DDR2 1366+


  • 2 x 8 Mbit flash
  • Use of licensed AWARD BIOS
  • Support for Dual BIOS
  • PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Network & Communication  
     Gigabit Ethernet: Yes
Onboard Interfaces  
     Number of IDE Interfaces: 1
     Number of SATA Interfaces: 8
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Onboard S/PDIF Header: Yes
     Total Number of Onboard FireWire/i.LINK Ports: 1
     Total Number of Onboard USB Ports: 2
Physical Characteristics  
     Depth: 9.6"
     Form Factor: ATX
     Width: 12"
Processor & Chipset  
     64-bit Processing: Yes
     Chipset Manufacturer: Intel
     Chipset Model: P45 Express
     Front Side Bus: 1600 MHz
1333 MHz
1066 MHz
800 MHz
     Processor Socket: Socket T LGA-775
     Processor Supported: Core 2 Extreme Quad-Core
Core 2 Quad
Core 2 Duo
Core 2 Extreme
Pentium Dual-core
Pentium Extreme Edition
Pentium D
Pentium 4 (Extreme Edition)
Pentium 4
Celeron D
     Total Processor Supported: 1

Gigabyte GA-EP45-UD3R Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Gigabyte GA-EP45-UD3R reviews.
Experience: 7 Months
Good Overclock-er
Decent set of features for price
Only one PCIE x16
Great entry level motherboard. Was able to run a 450 MHz FSB with ease (haven't tried to go higher since my RAM is limiting me).

Only buy if you plan to always use 1 video card as it only has 1 slot.

Experience: 20 Days
 Verified Owner
Fast, Lots of space, Good for one GPU setup.
None so far, except for the software on CD was not functional, It was not needed.
Great Motherboard, easy to install and setup. Bios easy to interpret and comes with cd packed with drivers and some useless software. Installed with GTS250 gpu 4gig corsair ddr2 cheapy ram xfi sound card corsair 520w psu. System runs smooth about 20 seconds boot up from power off to windows. Running dual Operating systems just fine.(XP+Vista Prem).

Experience: 2 Days
 Verified Owner
Works smoothly
none thus far
Bought it to put in my HTPC so I wouldn't have to buy a sound card. no probs whatsoever installing it. haven't checked out overclocking yet but I'm sure it'll do great seeing all the other reviews.

Experience: 5 Months
 Verified Owner
Lots of usb pots, easy install
Watch what memory you use with this mother board.
Corsair twin2x4096 memory will not work at 1066 with this mother board. Had to reduce to 800.Other than that great mother board!

Experience: 20 Days
 Verified Owner
Easy and painless install. Very quick motherboard and upgrade. Easy to upgrade bios
none that I can think of
Great motherboard! Bought it to replace a gigabyte k8ns ultra 939 board. Very easy to install, lots of USB ports right on the back panel, and comes with HDMI port. Together with an Intel E7400, this system is lightening fast when compared to the older system.

Experience: 1 Months
 Verified Owner
tones of USB ports and Sata internal connectors
nothing at all
its a great budget board with decnt overclocking ability...what more can you ask for at that price. It has lots of USB ports and Sata connectors. Also the extra USB onboard connectors is always a plus.

Experience: 1 Months
 Verified Owner
Rock solid, stable
None that I can think of
This motherboard is SOLID. I mean, physicaly solid! It is thicker that most motherboard I used!

It is also really stable and made with good components.
There is also a seperate gigabyte RAID chip on it that can be really useful.

I really have nothing bad to say about it!

Experience: 12 Months
Good overclock abilities , nice BIOS .
None .
Solid motherboard .
A lot of features , good overclocker , easy to install .
Everything worked perfect out of the box , detected my CPU immediately , no need for BIOS updates .

Experience: 2 Weeks
 Verified Owner
Brand name, high quality assembled, tons of options.
Bought this mobo to replace my old Gigabyte mobo who was damaged during relocation. It's very good mobo, it has everything you need except crossfire. Tons of USB ports, lots of tweaks and options, what more can I say, with the price match of 127 after taxes its was a steal. Higly reccomended.


Experience: 8 Months
 Verified Owner
It's pretty.
Motherboard has abnormally long post times.
I push the power button and the PC hangs for 45 seconds before I start to see the BIOS loading. I have tried multiple different BIOS revisions but continue to have the same issues.

 NCIX Forum Messages

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Messages about GIGABYTE EP45-UD3R ATX LGA775 P45 DDR2 1366+ 1PCI-E SATA2 RAID HD Sound GLAN 1394a Motherboard

is this "Fake hardware RAID"? (Peter_D- Dec 20, 09, 12 Replies) Read this message
Help me choose a Proccessor & Ram for this MB (DJ Specs- Nov 21, 09, 7 Replies) Read this message
Recommended video card to couple with this? (Miss Mathilda- Nov 16, 09, 5 Replies) Read this message
This or EP45-UD3R (Ford86- Oct 24, 09, 2 Replies) Read this message
Help to RAID (profx- Sep 01, 09, 0 Replies) Read this message
SATA and Memory slots seem backwards... (Georgeq M- Aug 17, 09, 2 Replies) Read this message
Front Panel Audio Sound Quality? (Steve_M- Jun 14, 09, 2 Replies) Read this message
500mhz fsb? (Robert_L- Jun 03, 09, 17 Replies) Read this message
2 sets of 2 x 2GB RAM? (Aaron_J- May 11, 09, 9 Replies) Read this message
help! cpu overheating big time on EP45-ED3R! (Scorpo- Mar 07, 09, 3 Replies) Read this message
GA-EP45-UD3R and RAID1 (Joel_L- Mar 05, 09, 2 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web
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First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Currently Gigabyte accepts end users’ requests on RMA service.
Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.

Warranty Effective On Date of Manufacture

Gigabyte determines warranty based on the manufacture date. The manufacture date can be verified by the serial number found on the product. The first four digits after "SN" determine the year and week of manufacturing date. For example:

"01)04719331729028(21) SN0213030585" represents the 13th week of 2002

RMA Request Procedures and Guidelines

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  • RMA request with missing or incorrect serial number(s) may result in a delayed process or a rejection of request

  • Any model discrepancy for received items may result in a delayed processing timeProducts received with no RMA number may delay processing or refusal
    (Gigabyte will not be responsible for items received without proper information)
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  • Replacements may include new or refurbished products
    (Replacements will be for the exact or equivalent product)
  • Average turnaround time will be 2-3 business working weeks upon receipt (applies to quantities not exceeding 20 pieces)
  • If the information on your request varies from the actual item(s) received, RMA will be based on the actual item(s) received
  • RMA numbers will be valid for 30 days after issued date
  • Gigabyte will provide one way freight via UPS or FedEx ground free of charge
  • For consecutive violation for No Trouble Found (NTF), a testing fee per NTF board or system may apply.

Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Graphic Accelerator Cards (VGA)
    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Servers(Server Boards/Barebone Server System)
    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
    • Rackmount server boards carry a 3 year limited warranty (First 2 years parts and labor, 3rd year labor only)
    • Rackmount components carry a 2 year limited warranty
  • PC Barebones System
    • Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only)
      * Gigabyte shall provide the fees/charges for parts upon testing of motherboards in their 2nd and 3rd year of warranty
  • Peripherals (Coolers, Keyboards, Mouse, Optical Devices, etc.)
    • All peripherals carry a 1 year limited warranty
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    • All notebooks carry a 1 year limited warranty
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    • All wireless and networking products carry a 1 year limited warranty

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