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Green E-ATX server motherboard with sixteen DDR5 slots, six PCIe 5.0 x16 slots, and dual 10GbE LAN ports

GIGABYTE

GIGABYTE MS74-HB0 server motherboard, LGA 4710, 16 DDR5 slots, 6 PCIe 5.0 x16, 2 10GbE LAN

SKU CH-PAJ1-KGBPW MPN MS74-HB0

Supports dual Xeon processors with 16 DDR5 slots, six PCIe 5.0 x16 slots, two 10GbE ports and two M.2 slots

  • CPU Socket TypeLGA 4710
  • CPU TypeIntel Xeon 6700/6500-Series Processors
  • Number of Processor Support1
  • CPU FeaturesTDP up to 350W
  • Memory Slots16 x DDR5 288-pin
  • Memory StandardRDIMM: Up to 6400 MT/s MRDIMM: Up to 8000 MT/s
  • Supports Intel Xeon 6 processors up to 350 W TDP
  • 16 DDR5 slots deliver eight-channel memory at 6400 MT/s
  • Six PCIe 5.0 x16 slots provide 136 lanes for GPUs and accelerators
  • Dual 10 GbE and dual 1 GbE ports handle heavy network traffic
  • Two M.2 slots and three SlimSAS connectors enable 12 SATA 6 Gb/s drives

Dual-Socket Xeon 6 Server Board

The GIGABYTE MS74-HB0 is an Extended ATX server motherboard built for Intel Xeon 6700 and 6500 series processors in LGA 4710 sockets. It supports a single CPU with a thermal design power up to 350W. Sixteen DDR5 RDIMM slots run in eight channels at up to 6400 MT/s, while MRDIMM modules reach 8000 MT/s. Six PCIe 5.0 x16 expansion slots and two M.2 connectors with PCIe Gen5 x4 provide high-bandwidth I/O for accelerators and storage.

Suited for Compute-Dense Deployments

This board fits workloads that need many cores, large memory capacity and multiple 10GbE links in a dual-socket layout. It is not for builders who need a second processor socket, as the specification lists support for one CPU only. Buyers who require integrated Wi-Fi, Bluetooth or consumer audio features should look elsewhere. Systems needing more than sixteen DIMM slots or additional PCIe lanes beyond the six x16 slots will not be served by this platform.

Straightforward Rack Integration

Installation follows standard E-ATX mounting patterns with a 24-pin ATX connector, two 8-pin and two 6-pin 12V CPU power headers. Two dedicated CPU fan headers and five system fan headers simplify cooling wiring. The most common issue is forgetting to populate all eight memory channels for full bandwidth, and overlooking the six 12V power connectors when using high-TDP processors. Ensure the chassis accommodates the extended ATX dimensions before ordering.

Highlights

  • Supports Intel Xeon 6 processors up to 350 W TDP
  • 16 DDR5 slots deliver eight-channel memory at 6400 MT/s
  • Six PCIe 5.0 x16 slots provide 136 lanes for GPUs and accelerators
  • Dual 10 GbE and dual 1 GbE ports handle heavy network traffic
  • Two M.2 slots and three SlimSAS connectors enable 12 SATA 6 Gb/s drives

Specifications

BrandGIGABYTE
ModelMS74-HB0
CPU Socket TypeLGA 4710
CPU TypeIntel Xeon 6700/6500-Series Processors
Number of Processor Support1
CPU FeaturesTDP up to 350W
Memory Slots16 x DDR5 288-pin
Memory StandardRDIMM: Up to 6400 MT/s
MRDIMM: Up to 8000 MT/s
Channel SupportedEight Channel
RegisteredYes
PCI Express 5.0 x16Slot_6: PCIe x16 (Gen5 x16), from CPU_0
Slot_5: PCIe x16 (Gen5 x16), from CPU_0
Slot_4: PCIe x16 (Gen5 x16), from CPU_0
Slot_3: PCIe x16 (Gen5 x16), from CPU_1
Slot_2: PCIe x16 (Gen5 x16), from CPU_1
Slot_1: PCIe x16 (Gen5 x16), from CPU_1
M.22 x M.2 (2280/22110), PCIe Gen5 x4, from CPU_0
LAN Chipset1 x Intel X710-AT2
LAN Speed2 x 10Gb/s LAN
Second LAN Chipset2 x Intel I210-AT
Second LAN Speed10/100/1000Mbps
Max LAN Speed2 x 10Gbps + 2 x 1Gbps
Back I/O Ports4 x USB 3.2 Gen 2x1 (Type-A)(CPU)
1 x USB 3.2 Gen 2x1 (Type-A)(FCH)
1 x VGA
2 x RJ45 (10Gb/s)
1 x RJ45 (1Gb/s)
1 x MLAN
3 x Audio jacks
1 x ID button with LED
Other Connectors1 x 24-pin ATX main power connector
2 x 8-pin ATX 12V power connectors
2 x 6-pin ATX 12V power connectors
2 x CPU fan headers
5 x System fan headers
1 x USB 3.2 Gen1 x2 header
2 x M.2 slots
3 x SlimSAS connectors
1 x VROC connector
1 x NCSI connector
1 x Front panel header
1 x Backplane board header
1 x PMBus header
1 x IPMB header
1 x TPM header
1 x PRoT connector (only enabled on RoT SKU)
Form FactorExtended ATX
Dimensions (W x L)12.0" x 13.0"
Package Contents1 x I/O shield
1 x Quick start guide
4 x Carriers
1 x SlimSAS to 4 x SATA cable (600mm)
Contains Embedded BatteryNo
Shipping weight2.29 kg
Package size406 × 356 × 76 mm

Questions about this item

Do I need Intel Xeon 6700 or 6500 series processors with LGA 4710 socket to use this board?

Yes, the board supports one Intel Xeon 6700 or 6500 series processor in an LGA 4710 socket with a TDP up to 350W.

Can I keep my existing PCIe 4.0 add-in cards when moving to the six PCIe 5.0 x16 slots?

PCIe 4.0 cards will operate at Gen 4 speeds in the six PCIe 5.0 x16 slots, which are wired from the CPU.

How can I confirm the DDR5 memory is running at 6400 MT/s or 8000 MT/s after assembly?

Check the BIOS memory information screen or the operating system memory report for the configured data rate.

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