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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.

  • CPU Socket TypeLGA 1155
  • CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1155)
  • ChipsetIntel B75
  • Number of Memory Slots4x240pin
  • Memory StandardDDR3 1600/1333/1066
  • Maximum Memory Supported32GB
  • 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.

Highlights

  • 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

Specifications

BrandGIGABYTE
ModelGA-B75M-D3H
CPU Socket TypeLGA 1155
CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1155)
ChipsetIntel B75
Number of Memory Slots4x240pin
Memory StandardDDR3 1600/1333/1066
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express 2.0 x161 @x4
PCI Slots2 x PCI Slots
Serial ATA (SATA)1 x SATA 6Gb/s
Audio ChipsetRealtek ALC887
Audio Channels8 Channels
Max LAN Speed1Gbps
Back I/O Ports1 x HDMI / 1 x PS/2 Keyboard/Mouse Combo / 2 x USB 3.0 / 4 x USB 2.0/1.1
PS/21 x PS/2 keyboard/mouse port
Video PortsD-Sub + DVI
HDMI1 x HDMI
USB 3.02 x USB 3.0
USB 1.1/2.04 x USB 2.0
Audio Ports3 Ports
Onboard USB2 x USB 3.0 + 4 x USB 2.0
Other Connectors1 x 24-pin ATX main power connector / 1 x ATX 12V power connector / 1 x CPU fan header / 1 x system fan header / 1 x front panel header / 1 x front panel audio header / 1 x S/PDIF Out header / 1 x serial port header / 1 x parallel port / 1 x Trusted Platform Module (TPM) header / 1 x Clear CMOS jumper
Form FactorMicro ATX
Dimensions (W x L)9.6" x 8.66"
Power Pin24 Pin
FeaturesIntel Small Business Advantage / / GIGABYTE Ultra Durable 4 Classic / / 3rd Generation Intel Core processors / / Designed for PCI Express Gen.3 Support / / Intel Rapid Start Technology / / Intel Smart Connect Technology / / Enhanced Built-in Visuals / / Intel Quick Sync 2.0 / / UEFI DualBIOS Technology / / 50,000 Hours Japanese Solid Capacitors

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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