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Green micro ATX motherboard with black sockets and silver heatsinks

GIGABYTE

GIGABYTE GA-B85M-D3H Intel B85 Micro ATX Motherboard LGA 1150

SKU CH-4F5G-BKMQ4

Micro-ATX board for LGA 1150 CPUs with four DDR3 slots up to 32 GB, one PCIe 3.0 x16 slot, four SATA 6Gb/s ports, 7.1-channel audio and gigabit LAN

  • ProcessorIntel Core 5th Gen (LGA 1150)
  • ChipsetIntel B85
  • Form factorMicro ATX
  • CPU socketLGA 1150
  • CPU technologiesTurbo Boost Technology 2.0
  • Onboard video chipIntegrated Graphics Processor - Intel HD Graphics support: 1
  • Supports 4th- and 5th-Gen Intel Core CPUs on LGA 1150 socket
  • Four DDR3 slots accept up to 32 GB at 1600 or 1333 MHz
  • PCI Express 3.0 x16 slot delivers full graphics bandwidth
  • Four SATA 6 Gb/s ports for fast storage arrays
  • Realtek ALC892 codec provides 7.1-channel audio output

LGA 1150 Micro ATX board for 4th

The GIGABYTE GA-B85M-D3H uses the Intel B85 chipset on a Micro ATX form factor. It accepts LGA 1150 processors including 4th Gen Core i7, i5 and i3 as well as 5th Gen Core models. Turbo Boost Technology 2.0 is supported for automatic frequency scaling.

DDR3 memory up to 32 GB in dual-channel

Four 240-pin slots support DDR3 1600 and 1333 speeds with a maximum capacity of 32 GB. Dual-channel architecture is available when modules are installed in matched pairs for improved memory throughput.

One PCIe 3.0 x16 slot plus legacy PCI

A single PCI Express 3.0 x16 slot runs at full x16 speed for discrete graphics. A second x16-size slot operates at x4 and two traditional PCI slots remain for older expansion cards. Four SATA 6Gb/s ports handle storage while Realtek ALC892 provides 7.1 channel audio and a Realtek GbE controller delivers 1 Gbps LAN.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $74.99
Cheaper than about 65% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameGA-B85M-D3H
Processor
ProcessorIntel Core 5th Gen (LGA 1150)
CPU socketLGA 1150
ChipsetIntel B85
CPU technologiesTurbo Boost Technology 2.0
Memory
Memory slot count4 × 240pin
Supported memoryDDR3 1600/ 1333
Max supported RAM32 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s connectors (SATA3 0/1/2/3) supporting up to 4 SATA 6Gb/s devices
Audio & video
Audio chipRealtek ALC892
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
(The PCIEX16 slot conforms to PCI Express 3.0 standard.)
PCIe x16 slots1 x PCI Express x16 slot, running at x4 (PCIEX4)
PCI slots2 x PCI Slots
PS/2 ports1 x PS/2 keyboard/mouse port
Video connectors1 x D-Sub port
1 x DVI-D port
HDMI ports1 x HDMI
Ethernet port1 x RJ45
USB 3.0 ports2 x USB 3.0
USB 2.0 ports4 x USB 2.0
Audio jacks6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side Speaker Out/Line In/Line Out/Microphone)
Onboard USB headers1 x USB 3.0/2.0 header
2 x USB 2.0/1.1 headers
Power
Power connectors24 Pin
Size & build
Form factorMicro ATX
Width and length9.6 in × 8.86 in

Questions about this item

What does the 32 GB maximum memory mean for a real build?

You can populate all four DDR3 slots with up to 8 GB modules each, giving 32 GB total in dual-channel mode at 1600 or 1333 MT/s.

How does the PCI Express 3.0 x16 slot running at x4 affect expansion cards?

The second x16-sized slot is electrically x4, so high-bandwidth cards like GPUs will be limited to four lanes while x1 or x4 cards run at full speed.

What clearance does the Micro ATX board need inside a case?

The board follows the Micro ATX form factor, so it fits any case with Micro ATX or larger mounting holes and standard I/O shield cut-out.

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