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Green rectangular Micro ATX motherboard with black sockets and silver heatsinks

GIGABYTE

GIGABYTE GA-B75M-D3H Intel motherboard

SKU CH-8J57-184G5

Micro ATX board for LGA 1155 CPUs with Intel B75 chipset, four DDR3 slots up to 32 GB, one PCIe 3.0 x16 and one PCIe 2.0 x4 slot, six SATA ports, Realtek ALC887 8-channel audio, gigabit LAN, HDMI.

  • ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1155)
  • ChipsetIntel B75
  • Form factorMicro ATX
  • CPU socketLGA 1155
  • Memory slot count4 × 240pin
  • Supported memoryDDR3 1600/1333/1066
  • Supports up to 32GB DDR3 memory across four slots
  • Intel B75 chipset with LGA 1155 socket for Core i7, i5, i3, Pentium and Celeron
  • PCI Express 3.0 x16 slot plus PCI Express 2.0 x16 at x4 for graphics and add-in cards
  • Realtek ALC887 8-channel audio with HDMI output
  • Gigabit LAN and six SATA ports including one 6Gb/s connection

GIGABYTE GA-B75M-D3H LGA 1155 motherboard

This Micro ATX board uses the Intel B75 chipset and accepts Core i7, i5, i3, Pentium and Celeron processors in the LGA 1155 socket. It provides four 240-pin slots for DDR3 memory running at 1600, 1333 or 1066 MHz in dual-channel mode up to 32 GB. Onboard video outputs are driven only by a CPU with integrated graphics.

Ideal for legacy LGA 1155 builds

The board suits repair or upgrade projects that must keep an existing LGA 1155 processor and DDR3 modules. It offers one PCI Express 3.0 x16 slot, one PCI Express 2.0 x16 slot running at x4, two PCI slots and six SATA ports including one 6 Gb/s connection. Builders needing newer sockets, different memory types or M.2 interfaces should choose a current platform.

Single PCI Express 3.0 x16 slot

The sole PCI Express 3.0 x16 slot determines whether a discrete graphics card can be installed at full 3.0 bandwidth. If the build requires multiple 3.0 x16 slots or a different slot layout, this motherboard will not fit the requirement.

How it compares

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

Price $48.99
Cheaper than about 86% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameGA-B75M-D3H
Processor
ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1155)
CPU socketLGA 1155
ChipsetIntel B75
Memory
Memory slot count4 × 240pin
Supported memoryDDR3 1600/1333/1066
Max supported RAM32 GB
Memory channelsDual Channel
Storage
SATA ports1 x SATA 6Gb/s
Audio & video
Audio chipRealtek ALC887
Sound channels8 Channels
Connectivity
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
PCI slots2 x PCI Slots
Rear panel ports1 x HDMI / 1 x PS/2 Keyboard/Mouse Combo / 2 x USB 3.0 / 4 x USB 2.0/1.1
PS/2 ports1 x PS/2 keyboard/mouse port
Video connectorsD-Sub + DVI
HDMI ports1 x HDMI
USB 3.0 ports2 x USB 3.0
USB 2.0 ports4 x USB 2.0
Audio jacks3 Ports
Onboard USB headers2 x USB 3.0 + 4 x USB 2.0
Power
Power connectors24 Pin
Size & build
Form factorMicro ATX
Width and length9.6 in × 8.66 in
More details
PCI express 2.0 x161 @x4

Questions about this item

What CPU socket and memory slots does the GA-B75M-D3H provide for installation?

The board uses an LGA 1155 socket and four 240-pin DDR3 slots supporting up to 32 GB in dual-channel mode.

Which screws and power connectors must be attached when mounting this micro-ATX board?

Secure the board with standard micro-ATX standoffs, connect the 24-pin ATX and 4-pin CPU power headers, then install the I/O shield before fastening.

How many SATA 6 Gb/s ports are available for future drive upgrades?

Only one SATA 6 Gb/s port is present; the remaining five SATA ports run at 3 Gb/s.

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