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Pedestal barebone chassis with perforated front panel and diagonal grid pattern

GIGABYTE

GIGABYTE W773-W80 barebone server, LGA 4677, 8-channel DDR5, 4 dual-slot GPU support

SKU CH-NX7H-4HMMG MPN W773-W80

Pedestal workstation barebones supporting one Xeon W-3500/2500/3400/2400 CPU, 8-channel DDR5 up to 256 GB, and four dual-slot GPUs

  • Form FactorPedestal
  • WorkloadWorkstation
  • CPU TypeSupports Intel Xeon W-3500 / W-2500 / W-3400 / W-2400 Proces
  • CPU SocketLGA 4677
  • Installed CPUNo CPU Installed
  • Max Processors1
  • Supports four dual-slot GPUs with Gen5 bandwidth
  • Eight-channel DDR5 architecture scales to 256 GB memory
  • LGA 4677 socket fits Xeon W-3500, W-3400, W-2500 or W-2400 CPUs
  • Four hot-swap bays accept 3.5" or 2.5" SATA drives
  • Dual 10 Gb/s LAN ports via Intel X710-AT2 controller

Pedestal workstation barebones

The GIGABYTE W773-W80 is a new pedestal barebones server designed for GPU-intensive workstation workloads. It uses the Intel W790 chipset and an LGA 4677 socket to support a single Intel Xeon W-3500, W-3400, W-2500 or W-2400 processor. Eight DDR5 DIMM slots provide 8-channel memory architecture with support for up to 256 GB at 4800 MT/s, though W-2500 and W-2400 CPUs activate only four slots.

Four dual-slot GPU capacity

This platform suits professionals who need to install up to four dual-slot Gen5 graphics cards for compute or visualisation tasks. The chassis includes dedicated airflow ducting and smart fan control rated to keep noise below 50 dB under full load. Buyers who require more than one processor, more than 256 GB of memory, or storage interfaces other than SATA and M.2 PCIe Gen4 x4 should evaluate other form factors.

LGA 4677 single-socket constraint

The decisive specification is the single LGA 4677 socket paired with the W790 chipset, which limits the system to one compatible Xeon processor and governs the available PCIe lane allocation for four x16 Gen5 slots plus one x16 Gen4 slot. This socket choice also determines whether all eight memory channels are usable, depending on the specific Xeon W series model selected.

Highlights

  • Supports four dual-slot GPUs with Gen5 bandwidth
  • Eight-channel DDR5 architecture scales to 256 GB memory
  • LGA 4677 socket fits Xeon W-3500, W-3400, W-2500 or W-2400 CPUs
  • Four hot-swap bays accept 3.5" or 2.5" SATA drives
  • Dual 10 Gb/s LAN ports via Intel X710-AT2 controller

Specifications

BrandGIGABYTE
ModelW773-W80
Form FactorPedestal
WorkloadWorkstation
CPU TypeSupports Intel Xeon W-3500 / W-2500 / W-3400 / W-2400 Processors
CPU SocketLGA 4677
Installed CPUNo CPU Installed
Max Processors1
North BridgeIntel W790
Memory Slots8 x 288Pin
Installed Memory SizeNo Memory Installed
Max Memory Supported256GB
Memory Type SupportedUp to DDR5 4800 MT/s
*Only 4 x DIMM slots are supported with Intel Xeon W-2500/2400 Processors.
Channel Supported8 Channel
Installed HDDNo Storage Installed
SATA RAIDRAID 0/1/5/10
M.22 x M.2 slots:
- M-key
- PCIe Gen4 x4, from PCH
- Supports 2280 cards
PCI ExpressSlot_7: PCIe x16 (Gen5 x16) slot, from CPU
Slot_6: PCIe x16 (Gen5 x16) slot, from CPU*
Slot_5: PCIe x16 (Gen5 x16) slot, from CPU*
Slot_4: PCIe x16 (Gen5 x16) slot, from CPU*
Slot_3: PCIe x16 (Gen4 x16) slot, from CPU
Slot_2: PCIe x16 (Gen5 x16) slot, from CPU
Slot_1: PCIe x16 (Gen4 x16) slot, from CPU
*Slot_4/5/6 are not supported with Intel Xeon W-2500/2400 Processors.
Onboard AudioRealtek ALC897 HD Audio Codec
Supports 2/4/5.1/7.1 channel configurations
Hot-Swap Bays4 x 3.5"/2.5" SATA hot-swappable bays
Buttons1 x Power button
1 x Reset button
LEDs1 x Power LED
1 x Storage activity LED
1 x System status LED
1 x ID button with LED
Front USB2 x USB 3.2 Gen1 (Type-A)
Front Audio Ports2 x Audio jacks (Audio out/Mic)
COM1
VGA1
Rear USB1 x USB 3.2 Gen 2x2 (Type-C)
3 x USB 3.2 Gen 2x1 (Type-A)
RJ452
Rear Audio Ports3 x Audio jacks (Audio in/Audio out/Mic)
Max. PowerSingle 2000W ATX 80 PLUS Gold power supply
System CompatibilityCentOS Stream 9 (x64)
Debian 11.5.0
Red Hat Enterprise Linux 9.0 (x64)
Ubuntu 22.04 LTS (x64)
Windows 11 Enterprise (x64)
FansMiddle fan: 3 x 120x120x38mm (4,000 rpm)
Rear fan: 1 x 120x120x25mm (2,800 rpm)
TemperatureOperating temperature: 10°C to 30°C
Non-operating temperature: -40°C to 60°C
HumidityOperating humidity: 8-80% (non-condensing)
Non-operating humidity: 20%-95% (non-condensing)
Dimensions17.91" x 8.58" x 28.59"
Shipping weight34.11 kg
Package size1067 × 610 × 406 mm

Questions about this item

Should I choose a Xeon W-3500 or W-2500 processor for full memory capacity?

Select a Xeon W-3500 or W-3400 to use all eight DDR5 slots and reach 256GB; the W-2500 and W-2400 only enable four slots.

What does the 4800 MT/s DDR5 rating deliver in this chassis?

Memory runs at up to 4800 MT/s across eight channels, giving maximum bandwidth for compute-heavy workloads when all slots are populated.

How many Gen5 x16 GPU slots does the W790 platform provide?

Four full-length PCIe Gen5 x16 slots from the CPU support up to four dual-slot graphics cards simultaneously.

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