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Server systems

GIGABYTE G494-ZB4-AAP2

HPC/AI Server - AMD EPYC™ 9005/9004 - 4U DP 8 x PCIe Gen5 GPUs

Product specifications

Model details for your requirement.

Manufacturer
GIGABYTE
Model
G494-ZB4-AAP2
Product type
Server systems
Dimensions (WxHxD, mm)
4U 448 x 176 x 880 448 x 176 x 1000.5 (with optional fan kit)
Motherboard
MZB3-G41
CPU
AMD EPYC™ 9005 Series Processors AMD EPYC™ 9004 Series Processors Dual processor, cTDP up to 400 W - At 30°C ambient, cTDP up to 500 W [Note] If only 1 CPU is installed, some PCIe or memory functions might be unavailable.
Socket
2 x LGA 6096 Socket SP5
Chipset
System on Chip
Memory
48 x DIMM slots Support DDR5 RDIMM 12-Channel memory per processor AMD EPYC™ 9005: Up to 5200 MT/s (1DPC) Up to 4400 MT/s (1R 2DPC), 4000 MT/s (2R 2DPC) AMD EPYC™ 9004: Up to 4800 MT/s (1DPC), 3600 MT/s (2DPC)
LAN
Front (G-SCM board): 2 x 1 Gb/s LAN (1 x Intel® I350-AM2) - Support NCSI function 1 x 10/100/1000 Mb/s Management LAN
Video
Integrated in ASPEED® AST2600 - 1 x VGA port
Storage
Front hot-swap: 12 x 2.5" Gen5 NVMe/SATA/SAS-4 [1] - (2 x NVMe from CPU_0, 2 x NVMe from CPU_1) - (4 x NVMe from PEX89144_0, 4 x NVMe from PEX89144_1) - (8 x SATA from CPU_0, 4 x SATA from CPU_1) Internal M.2: 1 x M.2 (2280/22110), PCIe Gen3 x4, from CPU_0 1 x M.2 (2280/22110), PCIe Gen3 x4, from CPU_1 [1] SAS card is required to support SAS drives.
PCIe Expansion Slots
Rear: PCIe Switch Board: 4 x FHFL x16 (Gen5 x16), from PEX89144_0, for GPUs 4 x FHFL x16 (Gen5 x16), from PEX89144_1, for GPUs PCIe Cable x 5: 1 x FHHL x16 (Gen5 x16), from PEX89144_1 1 x FHHL x16 (Gen5 x16), from CPU_0 2 x LP x16 (Gen5 x16), from PEX89144_0 1 x LP x16 (Gen5 x16), from PEX89144_1 Front: PCIe Cable: 1 x FHHL x16 (Gen5 x16), from CPU_1 [Note] The system supports up to 8 x 600 W GPUs with an optional fan kit. GPU video output ports are not available. Confirm the exact qualified GPU model before ordering. [Note] The system supports 8 x NVIDIA H200 NVL PCIe GPUs at 25°C ambient, arranged as two 4-GPU sets, each with a 4-way NVLink bridge. [Note] The system supports 8 x RTX PRO™ 6000 Blackwell Server Edition GPUs at 25°C ambient. [Note] The system is only validated with a uniform GPU model.
Front I/O
G-SCM board: 2 x USB 3.2 Gen1 ports (Type-A) 1 x VGA port 2 x RJ45 ports 1 x MLAN port 1 x Power button with LED 1 x ID button with LED 1 x NMI button 1 x Reset button 1 x Storage activity LED 1 x System status LED
Rear I/O
N/A
Security Modules
1 x TPM header with SPI interface - Optional TPM 2.0 kit: CTM010
Power supply
Quad 3000 W 80 PLUS Titanium redundant power supply [1] AC Input: - 100-127V~/ 14.5A, 50/60Hz - 200-220V~/ 16A, 50/60Hz - 220-240V~/ 16A, 50/60Hz DC Input: (Only for China) - 240Vdc/ 16A DC Output: - Max 1097.4W/ 100-127V~ +12.2V/ 87A +12Vsb/ 3A - Max 2598W/ 200-220V~ +12.2V/ 210A +12Vsb/ 3A - Max 3037.2W/ 220-240V~ or 240Vdc Input +12.2V/ 246A +12Vsb/ 3A [1] The system power supply requires C19 power cord. Power cords are not included. Specify suitable cords separately.
System Fans
2 x 40x40x28mm 12 x 60x60x56mm
Operating Properties
Operating temperature: 10°C to 35°C Operating humidity: 8% to 80% (non-condensing) Non-operating temperature: -40°C to 60°C Non-operating humidity: 20% to 95% (non-condensing)
Weight
Net Weight: 66.8 kg Gross Weight: 68.8 kg
Packaging Dimensions
1300 x 800 x 439 mm
Packaging Content
1 x G494-ZB4-AAP2 2 x CPU fansinks 8 x GPU power cables (16-pin, 150mm) 1 x L-shape Rail kit

Configuration options and limits depend on the exact product and revision. Confirm the proposed combination and the supplied parts before ordering; optional features are not necessarily included.

  • Confirm the supplied revision and complete configuration before ordering. Supported options are not necessarily included.
  • Interface speeds and advertised limits are theoretical maxima. Actual performance depends on the installed configuration.
  • Package contents describe the standard configuration. Confirm the included hardware and accessories for the specific offer.

Replacement parts & service options

Find the right part for G494-ZB4-AAP2.

Select the GIGABYTE part numbers you need and add quantities to your enquiry. Confirm the exact chassis revision, installed components and kit contents before ordering. These options are not a complete system configuration.

1 of 1 parts shown

GIGABYTE G494-ZB4-AAP2 replacement part numbers and quantities
SelectGIGABYTE P/NPart descriptionQuantity
25HB2-A96100-K0RL-shape Rail kit

0 part numbers selected

Availability, condition and supplied items will be confirmed in your quotation.

Installation & configuration

Define the complete system, not just the chassis.

Processor and memory
Specify the intended workload, processor quantity, memory capacity and any existing parts to retain. Ask for a compatible processor and DIMM population for the exact system revision.
Storage layout
List the required drive type, capacity and bay arrangement. Confirm carriers, backplanes, RAID or HBA controllers and the complete cable set.
Expansion and cooling
Describe GPU and network requirements. Confirm the required risers, slot access, power connections and cooling provisions for the proposed build.
Rack and site requirements
Share available rack space, rack depth, power input and redundancy requirements. Agree on rails, regional power cords and the installation environment.

Included hardware

Make the offer clear, line by line.

What ships with the model?

Identify processors, DIMMs, drives, carriers, adapters, controllers, fans, power supplies, risers, rails and cables separately. A supported option is not necessarily installed or included.

Ordering and delivery details

Confirm the exact ordering PN, revision, quantity, condition and warranty terms. Agree on packing, destination, lead time and any substitutions before approving the purchase.

Photographs & inspection

Review the actual offered equipment.

Request unit-label photographs, startup information and an installed-component list. Agree on the test scope and records needed for the quoted configuration.

Test workshop and visits

For multi-unit purchases, agree on whether a matched model, revision or configuration is required. Ask for any exceptions to be identified and approved before packing.

Packing and order preparation

Your model enquiry

Questions to settle before purchase.

Is this model name the ordering part number?

Not necessarily. Ask for the complete ordering PN or SKU and the supplied configuration on the quotation. This model page does not assign an unconfirmed sales code.

Can I use this with my existing equipment?

Provide the exact installed model, revision, firmware and relevant component labels. Compatibility must be confirmed for that combination rather than inferred from a matching brand or connector.

Are the listed limits available together?

Not necessarily. Maximum memory, expansion, storage and power specifications may have different configuration requirements. Ask for review of the complete proposed build.

Does preparing an enquiry send it to sales?

No. The enquiry page prepares a draft on your device. Review it and share it with your sales contact or use the Contact Us page.

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Other GIGABYTE models to compare.

These are separate products, not automatic replacements or compatible accessories.

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Specifications & enquiries
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Specifications & enquiries
PHOTOGRAPHS THAT SUPPORT YOUR RFQ

Specify the supplied chassis, not just the model name.

Attach a photo brief to the request for GIGABYTE G494-ZB4-AAP2. This is a checklist to agree, not a record that inspection has already been performed.

01

Front and storage layout

Request a straight-on view with the bezel removed when appropriate. Record the populated bays, blanking panels and drive carriers against the offered chassis configuration.

02

Rear and included options

Ask for both PSU labels, risers, network adapters and the rail kit. Confirm which visible parts are included in the offer rather than assuming the catalog picture defines the BOM.

03

Separate diagnostic evidence

Use an order-specific report for installed CPUs, DIMMs, storage and management access. A blurred background screen in an illustration is not a diagnostic result.

Discuss your requirements

Discuss GIGABYTE G494-ZB4-AAP2.

Add quantity, desired configuration, condition and destination to a model-specific enquiry. Confirm the ordering code and final equipment list with your sales contact.

Prepare this model enquiry