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TITAN GM645R-G6

AI & GPU Server

The CIARA TITAN GM645R-G6 is a 4U NVIDIA MGX™ server built for advanced AI and multi-node training workloads.

4U NVIDIA MGX™
Dual AMD EPYC™ 9005/9004 and 97x4 Series Processors
Supports 8 dual-slot GPUs with 600W TDP each
Up to 6TB DDR5-6400 MT/s memory
16 x Hot-swap E1.S (PCIe5.0 x4) drive bays and 2 x M.2
ASPEED AST2600 management
3200W (3+1) 80 PLUS Titanium Power Supply
Perfect for AI Training, AI Inference, Deep Learning and more

Product Overview

The CIARA TITAN GM645R-G6 is a 4U NVIDIA MGX™ server built for large-scale AI training, high-volume inference, and clustered AI environments. Powered by dual AMD EPYC™ 9005/9004 and 97×4 Series processors (up to 500 W each), it delivers robust multi-core performance for data-intensive and GPU-driven workloads.

Designed on NVIDIA’s MGX™ modular architecture, the system supports up to eight NVIDIA GPUs, including NVIDIA RTX™ 6000, H200 NVL, H100 NVL, and L40s, providing optimized airflow, spacing, and power delivery for sustained GPU performance under continuous load.

With support for up to 6 TB of DDR5 6400 MT/s memory, eight 400Gb/s QSFP112 ports, E1.S PCIe Gen5 storage, and robust PCIe Gen5 expansion, the CIARA TITAN GM645R-G6 delivers the networking throughput, memory bandwidth, and scalability required for modern AI clusters and future high-power GPU deployments.

Key Features and Benefits

Perfect For

AI Training

AI Inference

Deep Learning

Simulation

Multi-Node Workloads

Trademarks: Intel, the Intel logo, Intel Core, Intel Inside, the Intel Inside logo, Intel vPro and Xeon are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Other company, product or service names may be trademarks or service marks of others.

Trademarks: AMD, and the AMD Arrow logo, AMD EPYC, Ryzen, Threadripper and combinations thereof are trademarks of Advanced Micro Devices Inc.

Tech Specs

Form Factor	4U NVIDIA® MGX™
GPU	Supports 8 GPUs with 600W TDP each
Processor	Dual AMD EPYC™ 9005/9004 and 97x4 Series Processors (TDP up to 500W)
Cooling System	Passive air cooling
Memory	12 Channel memory per processor architecture 12+12 DIMM slots (1DPC) DDR5 6400 MT/s RDIMM/ 3DS RDIMM Up to 6TB
Network Controller	CX-8 version 8 x QSFP112 (400Gb/s) ports via NVIDIA® ConnectX®-8 2 x RJ45 (1GbE) by Intel i350 1 x Realtek RTL8211F for dedicated management GLAN Standard version 2 x RJ45 (1GbE) by Intel i350 1 x Realtek RTL8211F for dedicated management GLAN
Storage	16 x hot-swap E1.S (PCIe5.0 x4) drive bays 2 x M.2 (PCIe3.0 x4)
Expansion Slots	CX-8 version 8 x PCIe x16 (Gen5 x16) FHFL 1 x PCIe x16 (Gen5 x16) FHHL Standard version 8 x dual-slot PCIe5.0 x16 (FHFL) 5 x PCIe5.0 x16 (FHHL) 1 x PCIe5.0 x16 (HHHL)
Front I/O	1 x Power button w/ LED 1 x Reset button 1 x NMI button 1 x UID button 1 x System fault LED 1 x HDD activity LED 1 x LAN1/LAN2 activity LED 2 x Type-A (USB3.0 Gen1)
Rear I/O	1 x UID button 1 x Reset button 1 x Power button 1 x Mini-DisplayPort 1 x Type-A (USB3.0 Gen1) 1 x dedicated IPMI 8 x QSFP112 (400Gb/s) ports via NVIDIA® ConnectX®-8
Management	Aspeed® AST2600 Baseboard Management Controller
Power Supply	3+1, 80-PLUS Titanium, 3200W CRPS
Environment	Operating temperature: 10°C to 30°C (50°F to 86°F) Non-operating temperature: -40°C to 70°C (-40°F to 158°F) Non-operating humidity: 20% to 90% (non-condensing)
Dimensions (DxWxH)	1100mm x 860mm x 550mm 43.3" x 33.9" x 21.7"
Estimated Weight	Net Weight: 43 kg / 95 lb Gross Weight: 79 kg / 175 lb
OS Support	Windows Server 2022 Windows Server 2025 Red Hat Enterprise Linux server 8.10 x64 Red Hat Enterprise Linux server 9.4 x64 Red Hat Enterprise Linux server 10.0 x64 Ubuntu 22.04 LTS x64 Ubuntu 24.04 LTS x64

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To protect your investment in our CPU, and GPU computing servers, workstations, and laptops, we offer flexible limited warranty services for durations customizable to your needs. We are proud of the quality and reliability of our products, including our immersion-born servers. This dedication is demonstrated through our comprehensive warranty, which covers all essential components (CPU, GPU, RAM, SSD, NIC, and more). Our service options include return-to-depot, advance exchange, and on-site support.

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TITAN GM645R-G6

AI & GPU Server

Product Overview

Key Features and Benefits