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Green micro-ATX motherboard with silver LGA 1155 socket and blue DDR3 slots

GIGABYTE

GIGABYTE GA-B75M-D3V LGA 1155 B75 Micro ATX Intel motherboard

SKU CH-6J5C-8C35Y

Micro ATX board for LGA 1155 CPUs with dual-channel DDR3 up to 16 GB, one PCIe 3.0 x16 slot, SATA 6Gb/s and USB 3.0

  • ProcessorCore i7 / i5 / i3 (LGA1155)
  • ChipsetIntel B75
  • Form factorMicro ATX
  • CPU socketLGA 1155
  • Memory slot count2 × 240pin
  • Supported memoryDDR3 1600/1333/1066
  • Supports second- and third-generation Core i7, i5 and i3 processors with LGA 1155 socket
  • Dual-channel DDR3 memory up to 16 GB using two 240-pin slots at 1600, 1333 or 1066 MHz
  • PCI Express 3.0 x16 slot plus two x1 slots and one legacy PCI slot for expansion cards
  • Realtek ALC887 codec delivers eight-channel high-definition audio
  • Gigabit LAN and two USB 3.0 ports alongside four USB 2.0 ports for fast wired networking and peripheral connections

Micro ATX B75 board for LGA 1155 CPUs

The GA-B75M-D3V pairs Intel B75 with an LGA 1155 socket for Core i7, i5 or i3 processors. Two DDR3 slots support 1600, 1333 and 1066 speeds up to 16 GB in dual channel. One PCI Express 3.0 x16 slot, two PCI Express x1 slots and a legacy PCI slot handle expansion. Video output relies on the processor’s integrated graphics via D-Sub and DVI ports.

Straightforward drop-in for standard chassis

The Micro ATX footprint fits common cases and aligns with typical standoff patterns. A 24-pin ATX and 4-pin CPU power header sit in familiar positions. The single SATA 6 Gb/s port and five SATA 3 Gb/s ports are grouped along the edge for easy cable routing. Legacy PS/2 and LPT headers remain on the rear I/O for older peripherals.

16 GB ceiling with dual-channel headroom

Two 240-pin slots cap total memory at 16 GB, so a matched 8 GB pair fills the board. Dual-channel bandwidth is available at 1600, 1333 and 1066 rates. The lone PCI Express 3.0 x16 slot provides full graphics throughput, while the two x1 slots and single PCI slot cover additional cards. Gigabit LAN and eight-channel Realtek ALC887 audio complete the I/O budget.

How it compares

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

Price $42.99
Cheaper than about 90% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameGA-B75M-D3 V
Processor
ProcessorCore i7 / i5 / i3 (LGA1155)
CPU socketLGA 1155
ChipsetIntel B75
Memory
Memory slot count2 × 240pin
Supported memoryDDR3 1600/1333/1066
Max supported RAM16 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
PCIe x1 slots2 x PCI Express x1
PCI slots1 x PCI Slot
Rear panel ports1 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
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 × 6.85 in
More details
LPT1

Questions about this item

How can I confirm the board is posting correctly after I install a CPU and DDR3 memory?

Power on the system and watch for the BIOS splash screen or listen for a single beep; the Realtek ALC887 audio codec will initialise and the single Gigabit LAN port should show link lights when a cable is connected.

Which cables and brackets are included and what must I source separately for a build?

The box contains the Micro ATX motherboard, I/O shield, SATA cables for the six SATA ports and a driver disc; you still need an LGA 1155 processor, DDR3 DIMMs, a graphics card if the CPU lacks integrated graphics, and a chassis with front-panel USB 3.0 headers.

Should I choose the single PCI Express 3.0 x16 slot version or a board with more x16 slots for my graphics card?

This model provides exactly one PCI Express 3.0 x16 slot plus two x1 slots and one legacy PCI slot, so it suits a single discrete GPU; if you need multi-GPU support you would need a different chipset board.

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