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Rectangular micro-ATX board, dark PCB with blue and black slots, silver heatsinks, rear I/O panel visible

Gigabyte Communication

Gigabyte GA-78LMT-USB3 AMD motherboard

SKU CH-7K1D-ESSR5

Micro ATX board for AM3+ FX, Phenom II and Athlon II CPUs with integrated Radeon HD 3000 graphics, four DDR3 slots up to 32 GB, six SATA 6Gb/s ports, HDMI and DVI outputs, plus four USB 3.0 ports

  • ProcessorFX / Phenom II / Athlon II
  • ChipsetAMD 760G
  • CPU socketAM3+
  • Memory slot count4
  • Supported memoryDDR3
  • Max supported RAM32 GB
  • AM3+ socket accepts FX, Phenom II and Athlon II CPUs
  • 4+1 phase power design handles 125W processors
  • Integrated Radeon HD 3000 graphics supports DirectX 10
  • Four USB 3.0 ports deliver up to 5 Gbps transfer
  • Ultra Durable construction with solid capacitors and DualBIOS protection

AM3+ Socket for AMD FX and Phenom II

The Gigabyte GA-78LMT-USB3 is a micro ATX motherboard built around the AMD 760G chipset and SB710 south bridge. It accepts AM3+ processors including FX-series, Phenom II and Athlon II CPUs up to 125W TDP. Four DDR3 slots support up to 32GB of system memory at 1333MHz.

4+1 Phase Power Delivery for Sustained Loads

A 4+1 phase power design feeds the CPU socket, rated for continuous operation with 125W parts. All solid capacitors and Ultra Durable construction reduce voltage ripple during extended compute sessions. The board draws auxiliary power through a standard 24-pin ATX connector and a 4-pin CPU header.

PCI Express 2.0 and SATA 6Gb/s Limits

One PCI Express 2.0 x16 slot provides 5GT/s per lane for graphics cards, while a second x1 slot and a legacy PCI slot handle add-in cards. Six SATA 6Gb/s ports connect storage devices at up to 6Gbps each. Integrated Radeon HD 3000 graphics drive HDMI, DVI and D-Sub outputs for 1080p display output.

How it compares

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

Price $94.99
Cheaper than about 78% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameGIGABYTE
Processor
ProcessorFX / Phenom II / Athlon II
CPU socketAM3+
ChipsetAMD 760G
Memory
Memory slot count4
Supported memoryDDR3
Max supported RAM32 GB
Storage
SATA ports6 x SATA 6Gb/s
Graphics
Onboard video chipYes
Ports & slots
PCIe x1 slots1 x PCI Express x1
PCI slots1 x PCI Slot
More details
PCI express 2.0 x161 x PCI Express 2.0 x16

Questions about this item

How much power can the 4+1 phase VRM handle when an FX processor runs at 125 W all day?

The 4+1 phase power design is rated for AMD CPUs up to 125 W, so sustained full-load operation stays within the board's specified delivery capability.

Which memory modules do I need to populate the four slots and reach 32 GB?

Four DDR3 DIMMs totalling 32 GB at 1333 MHz are required; the board has four DDR3 slots and supports a maximum of 32 GB.

Will my existing PCI TV tuner card fit alongside a modern graphics card in the x16 slot?

Yes, the board provides one PCI Express 2.0 x16 slot for a graphics card and one legacy PCI slot for older add-in cards.

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