Gigabyte GA-EP45-UD3LR

CPU Support for an Intel Core 2 Extreme processor/ Intel Core 2 Quad processor/Intel Core 2 Duo processor/Intel Pentium Dual-Core processor/Intel Celeron processor in the LGA 775 package 
 
Front Side Bus 1600/1333/1066/800 MHz FSB 
 
Intel P45 Express Chipset
South Bridge: Intel ICH10R
 
Memory 4 x 1.8V DDR2 DIMM sockets supporting up to 16 GB of system memory
Dual channel memory architecture
Support for DDR2 1366/1066/800/667 MHz memory modules 

Audio Realtek ALC888 codec
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF In/Out
Support for CD In
 
LAN 1 x Realtek 8111C chips (10/100/1000 Mbit)
 
1 x PCI Express x16 slot, running at x16 (The PCI Express x16 slot conforms to PCI Express 2.0 standard)
4 x PCI Express x1 slot
2 x PCI slots
 
Storage Interface South Bridge:
6x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3, SATA2_4, SATA2_5) supporting up to 6 SATA 3Gb/s devices
Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10
GIGABYTE SATA2 (JMicron 368) chip:
1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
iTE IT8718 chip:
1 x floppy disk drive connector supporting up to 1 floppy disk drive
 
USB Integrated in the South Bridge
Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets connected to the internal USB headers)
 
Internal I/O Connectors 1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
1 x floppy disk drive connector
1 x IDE connector
6 x SATA 3Gb/s connectors
1 x CPU fan header
2 x system fan headers
1 x power fan header
1 x front panel header
1 x front panel audio header
1 x CD In connector
1 x S/PDIF In header
1 x S/PDIF Out header
2 x USB 2.0/1.1 headers
1 x parallel port header
1 x serial port header
1 x power LED header
1 x chassis intrusion header
 
Back Panel Connectors
1 x PS/2 mouse port
1 x PS/2 keyboard/mouse port
1 x optical S/PDIF Out connector
1 x coaxial S/PDIF Out connector
8 x USB 2.0/1.1 ports
1 x RJ-45 ports
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side Speaker Out/Line
 
I/O Controller iTE IT8718 chip
 
H/W Monitoring System voltage detection
CPU/System temperature detection
CPU/System/Power fan speed detection
CPU overheating warning
CPU/System/Power fan fail warning
CPU/System fan speed control
 
BIOS
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
 
Unique Features Support for @BIOS
Support for Q-Flash
Support for Dual BIOS
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune 6
Support for Dynamic Energy Saver Advanced
Support for Time Repair
Support for Q-Share
 
Bundle Software Norton Internet Security (OEM version)
 
Operating System Support for Microsoft/ Windows/ Vista/XP
 
Form Factor
ATX Form Factor; 30.5cm x 21.0cm