Dearvalued buyer, thank you for viewing our page. We will provide you bestservice and high quality products.We promised all the Items will betested earnestly before shipping, ensure it 100% working in orders..

Ifyou're about our item have any concern, please don't hesitate tocontact us. Since the time difference, perhaps we'll reply you late forseveral hours, thank your very much for your understanding.

Notes:
A. The battery is not included and Customs don't allow.
B.If the motherboard can't work correctly, please first check your CPU whether can be compatible with our motherboard, then check your video card or power supply.
C.Please DO NOT use single-side memory, most motherboards can't support such memory.
D. We DO use genuine brand memory, please do not use fake memory or if you're not sure whether your memory fake or not, please do not try it on our motherboard.

Package include:1* motherboard2* SATA cables1* I/O pannel

Gigabyte GA-990FXA-UD3 Motherboard Introduction

CPU

AM3+ Socket:

1. Support for AMD AM3+ FX processors
2. Support for AMD AM3 Phenom™ II processors / AMD Athlon™ II processors

(Please refer "CPU Support List" for more information.)

Hyper Transport Bus

5200 MT/s

Chipset

1. North Bridge: AMD 990X
2. South Bridge: AMD SB950

Memory

1. 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory (Note 1)
2. Dual channel memory architecture
3. Support for DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules (Note 2)

(Please refer "Memory Support List" for more information.)

Audio

1. Realtek ALC889 codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for Dolby Home Theater
5. Support for S/PDIF Out

LAN

1 x Realtek RTL8111E chip (10/100/1000 Mbit)

Expansion Slots

1. 1 x PCI Express x16 slot, running at x16 (PCIEX16) (Note 3)
2. 1 x PCI Express x16 slot, running at x8 (PCIEX8) (Note 4)
3. 1 x PCI Express x16 slot, running at x4 (PCIEX4)
4. 2 x PCI Express x1 slots

(All PCI Express slots conform to the PCI Express 2.0 standard.)

5. 2 x PCI slots

Storage Interface

South Bridge:

1. 6 x SATA 6Gb/s connectors supporting up to 6 SATA 6Gb/s devices
2. Support for RAID 0, RAID 1, RAID5, RAID 10 and JBOD

Multi-Graphics Technology

1. Support for NVIDIA® Quad-GPU SLI™ and 2-Way NVIDIA® SLI™ Technologies
2. Support for AMD Quad-GPU CrossFireX™ and 2-Way AMD CrossFire™ Technologies

USB

South Bridge:

1. Up to 14 USB 2.0/1.1 ports (8 ports on the back panel, 6 ports available through the internal USB headers)

2 x Etron EJ168 chips:

1. Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header)

IEEE 1394

VIA VT6308 chip:

1. Up to 2 IEEE 1394a ports (1 port on the back panel, 1 port available through the internal IEEE 1394a header)

Internal I/O Connectors

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 6 x SATA 6Gb/s connectors
4. 1 x CPU fan header
5. 2 x system fan headers
6. 1 x power fan header
7. 1 x front panel header
8. 1 x front panel audio header
9. 1 x S/PDIF Out header
10. 3 x USB 2.0/1.1 headers
11. 1 x USB 3.0/2.0 header
12. 1 x IEEE 1394a header
13. 1 x Trusted Platform Module (TPM) header
14. 1 x serial port header
15. 1 x clearing CMOS jumper

Back Panel Connectors

1. 1 x PS/2 keyboard/mouse port
2. 1 x optical S/PDIF Out connector
3. 1 x IEEE 1394 port
4. 8 x USB 2.0/1.1 ports
5. 2 x USB 3.0/2.0 ports
6. 1 x RJ-45 port
7. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side Speaker Out/Line In/Line Out/Microphone)

I/O Controller

1. ITE IT8720 chip

H/W Monitoring

1. System voltage detection
2. CPU/System temperature detection
3. CPU/System/Power fan speed detection
4. CPU overheating warning
5. CPU/System/Power fan fail warning
6. CPU/System fan speed control (Note 6)

BIOS

1. 2 x 32 Mbit flash
2. Use of licensed AWARD BIOS
3. Support for DualBIOS™
4. PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

Unique Features

1. Support for atBIOS
2. Support for Q-Flash
3. Support for Xpress BIOS Rescue
4. Support for Download Center
5. Support for Xpress Install
6. Support for Xpress Recovery2
7. Support for EasyTune (Note 7)
8. Support for Easy Energy Saver
9. Support for Smart Recovery
10. Support for Auto Green
11. Support for ON/OFF Charge
12. Support for Cloud OC
13. Support for 3TB+ Unlock
14. Support for Q-Share

Operating System

Support for Microsoft Windows 8/ 7/ Vista/ XP

Form Factor

ATX Form Factor; 30.5cm x 24.4cm

Note

(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
(Note 2) To support a DDR3 1866 MHz (and above) memory, you must install an AMD AM3+ CPU first.
(Note 3) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
(Note 4) The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot will operate at up to x8 mode.
(Note 5) The PCIEX16 slot operates at up to x8 mode when AMD CrossFireX™ is enabled.
(Note 6) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.
(Note 7) Available functions in EasyTune may differ by motherboard model.

Remark

1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
2. Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP SP1/SP2. If drivers are available from the vendors, we will update them on the GIGABYTE website.

ShippingEconomy shipping :Usually To all countries will be shipped via AIR MAIL ,not Expedited shipping.Usually to (USA UK CA AU )need 15-25 days arrive other country 15-35 days.

Expedited shipping:USA,UK,EU, CA ,AUS ,Europe Usually need 3-5 days arrive.other country 4-7 days,(according to your country)...

Please note The customs（tariff） is not included in the item price or shipping fees. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to offerding or buying.
We can not mark item as "gift", since Your Country customs and international customs regulations prohibit such behavior, thank you for your understanding.

After Sale:

• Warranty:All items are sold with 90 days warranty unless otherwise stated in the sale

• Returlns:1) In our item warranty, we can offer refund or replacement.2) We do the refund after we get the returned item, we can ship the replaced item after you ship the old one out.3) Please do not return any items without an authorization number or other instructions by us. Any packages that are send without our knowledge will be refused and no replacements will be issued. Wrong item ordered or non defective part returns require a 20% restocking fee. All products are marked with serial number and QC badge.Any products returned without our serial number and QC badge will be rejected as not our parts..

Our working hours are from Monday to Friday China time from 8.00 to 16.00 clocks.
If you would like to purchase a project to ask questions or concerns or items, please contact us via Mail System and we will be happy to help you.
If you are working outside of your normal business hours, please wait until the next business day and we will answer your questions and resolve any questions you may encounter. Please allow us to assist you during normal business hours.
If you contact us on weekends, your questions or questions will be answered from Monday to Friday from 8 am to 4 pm during normal business hours.