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Rectangular green circuit board with silver ports and black slots

GIGABYTE

GIGABYTE GA-870-UD3P AMD motherboard

SKU CH-SDH2-4MH98

AM3 socket board with AMD 870/SB850 chipset, four DDR3 slots up to 16 GB, six SATA 6Gb/s ports with RAID, 14 USB 2.0/1.1 ports, and 8+2 phase VRM for high-TDP CPUs

  • CPU Socket TypeAM3
  • AMD SB850 chipset provides six native SATA 6Gb/s ports with RAID 0, 1, 5, 10 support
  • Ultra Durable 3 copper-cooled design lowers working temperatures for stable operation
  • 8+2 phase VRM power design supports high-TDP AM3 processors
  • Up to 14 USB 2.0/1.1 ports with 3× power delivery for device compatibility
  • On/Off Charge enables recharging iPad, iPhone and iPod Touch while system is off

AM3 Platform Board

The GIGABYTE GA-870-UD3P is an AMD 870 chipset motherboard for Socket AM3 processors including Phenom II and Athlon II CPUs. It provides four DDR3 DIMM slots supporting up to 16 GB of system memory in dual-channel mode. The board includes a Realtek ALC892 audio codec with 7.1-channel output and a Realtek 8111E Gigabit LAN controller. Expansion consists of one PCI Express x16 slot, a second x16 slot running at x4, two x1 slots and three legacy PCI slots.

Six SATA 6Gb/s Ports

The AMD SB850 southbridge delivers six native SATA 6Gb/s connectors with RAID 0, 1, 5 and 10 support, replacing earlier boards limited to 3Gb/s links. This jump is worthwhile when moving multiple mechanical drives or early SSDs to the faster interface without adding a separate controller card. The board also supplies up to 14 USB 2.0 ports and includes an On/Off Charge feature that keeps selected ports powered for device charging while the system is off.

Eight-Phase VRM Cooling

An 8+2 phase CPU power design with Ultra Durable 3 copper construction handles high-TDP AM3 processors under sustained load while running cooler than simpler phase layouts. The Easy Energy Saver utility dynamically adjusts power delivery to reduce draw during lighter workloads. All PCI Express slots conform to the 2.0 standard, so multi-GPU configurations or long compute tasks operate at full electrical specification without downshift.

Highlights

  • AMD SB850 chipset provides six native SATA 6Gb/s ports with RAID 0, 1, 5, 10 support
  • Ultra Durable 3 copper-cooled design lowers working temperatures for stable operation
  • 8+2 phase VRM power design supports high-TDP AM3 processors
  • Up to 14 USB 2.0/1.1 ports with 3× power delivery for device compatibility
  • On/Off Charge enables recharging iPad, iPhone and iPod Touch while system is off

Specifications

CPU Socket TypeAM3

Questions about this item

What CPU socket and memory slots does the board use?

The board uses an AM3 socket and provides four 1.5 V DDR3 DIMM sockets for up to 16 GB of system memory.

How is the board installed, and what step is often missed?

Mount the board on nine ATX standoffs, secure the I/O shield, then connect the 24-pin ATX and 8-pin CPU power cables; the 8-pin CPU power connector is frequently overlooked.

Which component will need replacement over time?

The Realtek ALC892 audio codec and 8111E LAN chip are soldered and not user-replaceable; only the CMOS battery on the board will eventually need changing.

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