Gigabyte
Socket AM3+ Motherboard AMD 870 + SB850 Chipset
(GA-870A-USB3)
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CPU |
Support for AMD AM3+ processor
Support for AMD Phenom™ II processor/AMD Phenom™ II processor
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Hyper Transport Bus |
5200 MT/s |
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Chipset |
North Bridge: AMD 870
South Bridge: AMD SB850
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Memory |
4 x 1.5V DDR3
DIMM sockets supporting up to 16 GB of system memory(Note 1)
Dual channel memory architecture
Support for DDR3 2000(O.C.)/1333/1066 MHz memory modules
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Onboard Graphics |
- |
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Audio |
Realtek
ALC889 codec
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF In/Out
Support for CD In
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LAN |
1 x Realtek 8111E chip (10/100/1000
Mbit) |
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Expansion Slots |
1 x PCI
Express x16 slot, running at x16 (PCIEX16)(Note 2)
1 x PCI Express x16 slot, running at x4 (PCIEX4)
2 x PCI Express x1 slots
(All PCI Express slots conform to PCI Express 2.0 standard.)
3 x PCI slots
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Storage Interface |
6 x SATA 6Gb/s connectors
supporting up to 6 SATA 6Gb/s devices
Support for SATA RAID 0, RAID 1, RAID 5, RAID 10, and JBOD
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USB |
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)
Etron EJ168 chip:
Up to 2 USB 3.0/2.0 ports
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Internal I/O Connectors |
1 x 24-pin ATX main power
connector
1 x 4-pin ATX 12V power 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 S/PDIF Out header
2 x USB 2.0/1.1 headers
1 x serial port header
1 x clearing CMOS jumper
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Back Panel Connectors |
1 x PS/2
keyboard/mouse port
1 x coaxial S/PDIF Out connector
1 x optical S/PDIF Out connector
8 x USB 2.0/1.1 ports
2 x USB 3.0/2.0 ports
1 x RJ-45 port
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side
Speaker ŠŠOut/Line In/Line Out/Microphone)
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I/O Controller |
iTE IT8720 chip |
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H/W Monitoring |
System
voltage detection
CPU / System temperature detection
CPU / System fan speed detection
CPU / System warning temperature
CPU / System fan failure warning
CPU fan speed control (Note 3)
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BIOS |
2 x 16 Mbit flash
Use of licensed AWARD BIOS
Support for DualBIOS™
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
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Unique Features |
Support for
@BIOS
Support for Q-Flash
Support for Xpress BIOS Rescue
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune (Note 3)
Support for Easy Energy Saver
Support for Smart Recovery
Support for Auto Green
Support for ON/OFF Charge
Support for Cloud OC
Support for Q-Share
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Bundle Software |
Norton Internet Security (OEM version) |
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Operating System |
Support for
Microsoft Windows 7/Vista/XP |
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Form Factor |
ATX Form Factor; 30.5cm x 22.0 cm
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Remark |
(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 configure 7.1-channel audio, you have to use an HD front
panel audio module and enable the multi-channel audio feature
through the audio driver.
(Note 3) Whether the CPU fan speed control function is supported
will depend on the CPU cooler you install.
(Note 4) Available functions in EasyTune may differ by motherboard
model. |
Get Ready for New Generation of 32nm AMD AM3+ CPU
GIGABYTE's AMD motherboards are ready to support new
generation of 32nm AMD AM3+ multi-core processors,
delivering the very best platform for multitasking,
multimedia and high performance gaming.
On/Off Charge Technology
GIGABYTE On/Off Charge technology allows you to charge your
iPhone, iPad and iPod Touch regardless of whether your PC is
on, in standby mode or even off. A derivative of GIGABYTE's
highly acclaimed 3x USB Power feature, On/Off Charge enables
devices to draw more current from GIGABYTE motherboard USB
ports than standard USB ports allow, so that charging from
your PC can be as fast as with a charger... more
Note: Due to certain mobile phone
limitations, users may need to connect the mobile phone to
their PC before the PC enters S4/S5 mode to enable a quick
charge from non On/Off Charge USB ports. Charging results
may vary by model.
Introduction
The 870A-USB3 motherboard is designed to offer a stable,
high-speed platform for delivering amazingly fast data
transfer via revolutionary GIGABYTE Ultra Durable 3 Classic
technology with featuring 2 oz copper PCB, and further the
latest GIGABYTE 333 onboard acceleration technologies (USB
3.0 / SATA3 6Gbs / 3X USB power). Based on AMD 870 chipset,
the 870A-USB3 supports the latest 45nm AMD AM3 Phenom II/
Athlon II processors, integrated DDR3 memory controller,
HyperTransport™ 3.0 technology links and dual PCI Express
2.0 graphics interfaces, and so on. With the innovative
GIGABYTE Easy Energy Saver technology, the 870A-USB3 is able
to provide user friendly computing, reach the maximum system
performance easily while still able to save the power and
environment in real life at the same time.
Supports next generation of 45nm AMD AM3 CPU
This motherboard designs with Split Power
Plane, 4+1 phase VRM to support AMD the latest 45nm
AM3 Phenom™II/ Athlon™II processors, delivering the great
performance enchantment to system and ultimate scalability
hardware expending.
108dB Signal-to-Noise ratio playback
GIGABYTE strongly believes that in 2011, HD audio playback
is a standard specification, and as such, we have made Blu-ray
audio playback a standard for all of our motherboards.
All of GIGABYTE's 2011 motherboards feature higher
capability audio solution with 108dB Signal-to-Noise ratio (SNR)
playback quality to deliver high-performance, multi-channel
HD audio. SNR is a comparison of the amount of signal to the
amount of noise such as hiss present in the signal
(expressed in Decibels). A higher SNR equals a better audio
experience. For example, 108dB, is a high audio
specification, as this means the audio signal is 108dB
higher than the level of the noise.
DualBIOS™ 3TB+ HDD Support (Hybrid EFI Technology)
Hybrid EFI Technology combines the benefits of GIGABYTE's
mature BIOS platform including stability and compatibility
with 3rd party products with 3TB+ HDD support from EFI
technology, allowing GIGABYTE to offer the best of both
worlds through a quick and easy BIOS update using GIGABYTE's
@BIOS utility that is freely available from the GIGABYTE
website.
GIGABYTE DualBIOS™ is a patented technology that
automatically recovers BIOS data when the main BIOS has
crashed or failed. Featuring 2 physical BIOS ROMs integrated
onboard, GIGABYTE DualBIOS™ allows quick and seamless
recovery from BIOS damage or failure due to viruses or
improper BIOS updating. In addition, GIGABYTE DualBIOS™ now
supports 3TB+ (terabyte) hard drive booting without the need
for partitioning, and enables more data storage on a single
hard drive.
Turbo XHD- Full Automatic RAID 0/Stripe
GIGABYTE Turbo XHD provides a quick and easy way to boost
your hard drive performance. Just via the latest BIOS
update, Turbo XHD will automatically enabled when the system
detecting 2 new SATA3 HDDs and providing users effortlessly
to set up a RAID 0/Strip configuration.
Note: Turbo XHD function only enabled for
the SATA3 ports provided by AMD SB950/SB850 Chipset.
USB 3.0 Support
The GIGABYTE motherboards support the latest generation
SuperSpeed USB 3.0 technology made possible through an
onboard USB3.0 host controller. With superfast transfer
rates of up to 5 Gbps, users are able to experience an
almost a 10x improvement over USB 2.0. Additionally,
backwards compatibility with USB 2.0 assures users of long
term use of their legacy USB 2.0 devices. The onboard
SuperSpeed USB 3.0 technology also provides new power
management features that include increased maximum bus power
and device current draw to better accommodate power-hungry
devices.
* USB 3.0 10x performance is a maximum
theoretical value. Actual performance may vary by system
configuration.
3x USB Power Boost
GIGABYTE motherboards feature a 3x USB power boost,
delivering greater compatibility and extra power for USB
devices. GIGABYTE’s unique USB power design is also able to
efficiently regulate output over the full voltage range,
which greatly enhances USB device compatibility. In
addition, dedicated lower resistance fuses ensure lower
voltage drops, and provide more stable and plentiful power
delivery.
SATA 6 Gbps Support
Yet another onboard feature of GIGABYTE AMD 800A series
motherboards are integrated the latest AMD SB850 chip for
high-speed SATA Revision 3.0 compatibility, delivering 6
ports native superfast 6Gbps link speeds for twice the data
transfer rates of SATA Revision 2.0 (3 Gbps) and RAID 0, 1,
5, 10 support. When used in RAID 0 (Stripe) mode, GIGABYTE
AMD 800A series motherboards offer even faster data transfer
rates of up to 4x the speed of current SATA interfaces.
* SATA3 RAID 0 4x and SATA3 2x performance
are maximum theoretical values. Actual performance may vary
by system configuration.
Ultra Durable 3 – Classic

GIGABYTE Ultra Durable 3 Classic motherboards once again
lead the motherboard industry for the highest quality and
most innovative motherboard design. Featuring the industry’s
first consumer desktop motherboard design to introduce 2
ounces of copper for both the Power and Ground layers,
delivering a dramatically lower system temperature, improved
energy efficiency and enhanced stability for overclocking.
GIGABYTE Ultra Durable 3 Classic motherboards are equipped
with the GIGABYTE Ultra Durable signature features including
Japanese Solid Capacitors boasting an operational life time
of more than 50,000 hours, and GIGABYTE patented DualBIOS™
technology (providing dual hardware BIOS protection).
GIGABYTE Ultra Durable 3 Classic motherboards promise to
provide the stability, reliability and longevity essential
to meet the power needs of high-end processors and other
components running today's most demanding applications and
games.
AMD OverDrive Support
The AMD OverDrive™ utility is provided by AMD, offering
high-end users the ability to maximize the capability,
flexibility, and adjustability of the platforms utilizing
AMD processors, sockets, and chipsets.
* For download site of AMD OverDrive™,
please visit AMD official website for details:
http://game.amd.com/us-en/drivers_overdrive.aspx
** The support condition of this utility may vary by
models(chipsets).
Dual Channel DDR3 2000+ MHz
Delivering native support for DDR3 memory up to 2000MHz,
GIGABYTE Ultra Durable 3 series motherboards allow users to
easily reach higher memory frequencies at lower voltages;
achieving higher memory performance with lower power
consumption to run even the most memory intensive
applications such as high-definition video and 3D games with
ease.
GIGABYTE innovative technology- Easy Energy Saver
Featuring an advanced proprietary software design, GIGABYTE
Easy Energy Saver is able to dynamically adjust CPU power
depending on workload, delivering just the right amount of
power needed for the task. Coupled with AMD’s highly
efficient 45nm AM3 CPU, the Easy Energy Saver is able to
provide exceptional levels of power savings and enhanced
power efficiency without sacrificing computing performance.
EasyTune6
GIGABYTE has completely redesigned EasyTune6 from the ground
up to make it easier than ever to manage and monitor your
hardware resources as well as tweak your system settings in
order to achieve maximum system performance. Whether you are
an overclocking enthusiast, or a computer novice, EasyTune6
provides the tools you need to quickly and effortlessly fine
tune your system.
Norton™ Internet Security
Fast, comprehensive, and up-to-the-minute protection against
online threats. It safeguards your computer, identity, and
home network without slowing you down. It sets a new
standard for speed and makes online shopping, banking, and
browsing safer and more convenient than ever.
Qualified for Windows® 7
The motherboard qualified for WHQL (Windows Hardware Quality
Labs) certification of Windows 7 from Microsoft ®,
setting the standard for future Windows 7 certified
motherboards... more
ErP Lot 6 support
The ErP (also known as Energy-Related Products Directive) is
part of the European Union's environmental regulations
policy. It is based on concern for the environmental as the
proliferation of electronic devices continues, and how to
improve energy efficiency for a better and greener life.
GIGABYTE supports ErP and produces motherboards that help
you effectively improve system efficiency.

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