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Large rectangular motherboard with silver heatsinks and black PCB, E-ATX size

GIGABYTE

GIGABYTE W790 AI TOP Intel Motherboard LGA4677 E-ATX DDR5 6x M.2 PCIe 5.0 Thunderbolt 4 WIFI7

SKU CH-SVPM-06X73 MPN W790 AI TOP

E-ATX workstation board for Intel Xeon W processors with LGA 4677 socket, eight-channel DDR5 up to 2 TB, five PCIe 5.0 x16 slots, six M.2 connectors, dual Thunderbolt 4, Wi-Fi 7 and dual 10 GbE LAN

  • CPU Socket TypeLGA 4677
  • CPU TypeSupport for Intel Xeon W-3500/W-3400/W-2500/W-2400 Series Pr
  • ChipsetIntel W790
  • Number of Memory Slots8x288pin (DDR5)
  • Memory StandardSupport up to DDR5 5600(O.C.) / 4800
  • Maximum Memory Supported2TB
  • Supports Intel Xeon W-3500 series processors with LGA 4677 socket
  • Eight-channel DDR5 memory architecture scales to 2 TB maximum capacity
  • Five PCIe 5.0 x16 slots plus six M.2 connectors for multi-GPU and storage expansion
  • Dual 10 Gbps Ethernet and Wi-Fi 7 deliver high-throughput networking
  • 16+2+2 phase digital VRM with thermal armor ensures stable power delivery

Intel Xeon W workstation board

The GIGABYTE W790 AI TOP is an E-ATX motherboard built for the LGA 4677 socket and Intel Xeon W-3500, W-3400, W-2500 and W-2400 processors. It targets users who train local AI models, run multi-GPU compute or need massive storage bandwidth on a single desktop platform.

DIY install with EZ-Latch aids

PCIe EZ-Latch Plus gives screwless graphics-card removal and WIFI EZ-Plug simplifies the directional antenna. The eight 288-pin DDR5 slots are tightly packed so insert R-DIMMs before mounting the board. Using a W-2500 or W-2400 CPU disables the fourth and fifth x16 slots plus two M.2 connectors; plan the parts list around that constraint.

Verify CPU, memory and case fit

Confirm the chosen Xeon matches the required channel count: W-3500 and W-3400 enable eight-channel DDR5 up to 2 TB, while W-2500 and W-2400 provide four channels. The board needs an E-ATX chassis and a power supply capable of feeding the 16+2+2 phase VRM. Dual 10 GbE LAN, dual Thunderbolt 4 Type-C and Wi-Fi 7 are onboard.

Highlights

  • Supports Intel Xeon W-3500 series processors with LGA 4677 socket
  • Eight-channel DDR5 memory architecture scales to 2 TB maximum capacity
  • Five PCIe 5.0 x16 slots plus six M.2 connectors for multi-GPU and storage expansion
  • Dual 10 Gbps Ethernet and Wi-Fi 7 deliver high-throughput networking
  • 16+2+2 phase digital VRM with thermal armor ensures stable power delivery

Specifications

BrandGIGABYTE
ModelW790 AI TOP
CPU Socket TypeLGA 4677
CPU TypeSupport for Intel Xeon W-3500/W-3400/W-2500/W-2400 Series Processors
ChipsetIntel W790
Number of Memory Slots8x288pin (DDR5)
Memory StandardSupport up to DDR5 5600(O.C.) / 4800
Maximum Memory Supported2TB
Channel SupportedEight Channel
Memory Performance ProfileIntel XMP 3.0
ECC SupportedYes
Memory FeatureIntel Xeon W-3500/W-3400 Series Processors support 8-Channel memory architecture
Intel Xeon W-2500/W-2400 Series Processors support 4-Channel memory architecture
PCI Express 5.0 x16CPU:
- 5 x PCI Express x16 slots, supporting PCIe 5.0 and running at x16
* The PCIEX16_4 and PCIEX16_5 slots become unavailable when an Intel Xeon W-2500/W-2400 series processor is used.
* The PCI Express x16 slots support only graphics cards or NVMe SSDs. For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot.
Serial ATA (SATA)8 x SATA 6Gb/s
M.2CPU:
- 4 x M.2 connectors (Socket 3, M key, type 2280 PCIe 5.0 x4/x2 SSD support) (M2A_CPU, M2B_CPU, M2C_CPU, M2D_CPU)
* The M2C_CPU and M2D_CPU connectors become unavailable when an Intel Xeon W-2500/W-2400 series processor is used.
Chipset:
- 2 x M.2 connectors (Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSD support) (M2E_SB, M2F_SB)
SATA RAIDRAID 0, RAID 1, RAID 5, and RAID 10 support for NVMe SSD storage devices
RAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices
Audio Channels7.1 Channels
LAN ChipsetIntel X710-AT2
Max LAN Speed10Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBLUETOOTH 5.4
Back I/O Ports2 x DisplayPort In ports
2 x Thunderbolt 4 connectors (USB4 USB Type-C ports)
2 x antenna connectors (2T2R)
2 x USB 3.2 Gen 2 Type-A ports (red)
4 x USB 3.2 Gen 1 ports
2 x RJ-45 ports
1 x optical S/PDIF Out connector
2 x audio jacks
Onboard USB1 x USB Type-C header, with USB 3.2 Gen 2x2 support
1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
Other Connectors1 x PCIe power connector
1 x CPU fan header
1 x CPU fan/water cooling pump header
6 x system fan headers
3 x addressable RGB Gen2 LED strip headers
1 x RGB LED strip header
1 x front panel header
1 x front panel audio header
1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0/GC-TPM2.0 SPI V2 module only)
1 x power button
1 x reset button
1 x Q-Flash Plus button
1 x speaker header
1 x reset jumper
2 x temperature sensor headers
1 x Clear CMOS jumper
1 x Intel VROC Upgrade Key header
BIOS Feature1 x 512 Mbit flash
Use of licensed AMI UEFI BIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Form FactorExtended ATX
Dimensions (W x L)12.0" x 13.0"
Shipping weight4.85 kg
Package size381 × 356 × 127 mm

Questions about this item

How can I verify the board is running at the full DDR5 5600 speed after I enable XMP 3.0?

Enter the BIOS, enable the Intel XMP 3.0 profile and confirm the memory frequency reads 5600 MT/s on the main screen or in the HWinfo power monitor.

What ships with the motherboard and what must I source separately for a working build?

The box contains the E-ATX board, I/O shield, Wi-Fi 7 antenna with EZ-Plug base, SATA cables, M.2 screws and documentation; you must add a LGA 4677 Xeon W processor, DDR5 ECC R-DIMMs, storage drives, graphics cards and a PSU.

Which processor choice determines whether all five PCIe 5.0 x16 slots and all six M.2 connectors are active?

A Xeon W-3500 or W-3400 CPU enables all five x16 slots and all six M.2 connectors; a W-2500 or W-2400 CPU disables the fourth and fifth x16 slots and the third and fourth CPU-attached M.2 connectors.

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