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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

  • ProcessorSupports Intel Xeon W-3500 / W-2500 / W-3400 / W-2400 Proces
  • Installed RAMNo Memory Installed
  • Form factorPedestal
  • Processor socketLGA 4677
  • Target workloadWorkstation
  • Preinstalled processorNo CPU Installed
  • 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.

How it compares

Measured against everything we stock in Barebone Servers & DIY Kits, at today’s prices. Recalculated every night.

Price $1,446.99
Cheaper than about 80% of the 532 comparable items (median $2,503.49).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameGIGABYTE
Model nameW773-W80
Target workloadWorkstation
Processor
ProcessorSupports Intel Xeon W-3500 / W-2500 / W-3400 / W-2400 Processors
Processor socketLGA 4677
Preinstalled processorNo CPU Installed
Max supported CPUs1
ChipsetIntel W790
Memory
Installed RAMNo Memory Installed
RAM slots8 × 288Pin
Maximum supported memory256 GB
Supported memoryUp to DDR5 4800 MT/s
*Only 4 x DIMM slots are supported with Intel Xeon W-2500/2400 Processors.
Memory channels8 Channel
Storage
Preinstalled storageNo Storage Installed
SATA and RAID supportRAID 0/1/5/10
M.2 slots2 x M.2 slots:
- M-key
- PCIe Gen4 x4, from PCH
- Supports 2280 cards
Hot-swap drive bays4 × 3.5 in/2.5 in SATA hot-swappable bays
Audio & video
Built-in audioRealtek ALC897 HD Audio Codec
Supports 2/4/5.1/7.1 channel configurations
Ports & slots
PCIe slotsSlot_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.
Front USB ports2 x USB 3.2 Gen1 (Type-A)
Front audio jacks2 x Audio jacks (Audio out/Mic)
Serial ports1
VGA ports1
Rear USB ports1 x USB 3.2 Gen 2 × 2 (Type-C)
3 x USB 3.2 Gen 2 × 1 (Type-A)
Ethernet port2
Rear audio jacks3 x Audio jacks (Audio in/Audio out/Mic)
Power
Power supplySingle 2000 W ATX 80 PLUS Gold power supply
Size & build
Form factorPedestal
Product dimensions17.91 in × 8.58 in × 28.59 in
Shipping weight34.11 kg
Package size1067 × 610 × 406 mm
Compatibility
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)
Environment & compliance
Temperature rangeOperating temperature: 10 °C to 30 °C
Non-operating temperature: -40 °C to 60 °C
Humidity rangeOperating humidity: 8-80% (non-condensing)
Non-operating humidity: 20%-95% (non-condensing)
More details
Button count1 x Power button
1 x Reset button
Indicator lights1 x Power LED
1 x Storage activity LED
1 x System status LED
1 x ID button with LED
Fan configurationMiddle fan: 3 × 120 × 120 × 38 mm (4,000 rpm)
Rear fan: 1 × 120 × 120 × 25 mm (2,800 rpm)

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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