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CIARA TITAN GM645R-G6 AI & GPU Server Front

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TITAN GM645R-G6

AI & GPU Server

The CIARA TITAN GM645R-G6 is a 4U NVIDIA MGX™ server built for Enterprise AI and Physical AI.

4U NVIDIA MGX™
Dual AMD EPYC™ 9005 Series processors
Supports 8 GPUs with 600W TDP each
Up to 4 TB DDR5 6400 MT/s memory
8 x E1.S NVMe drive bays and 2 x M.2
ASPEED AST2600 management
3200W (3+1) 80 PLUS Titanium Power Supply
Perfect for Generative AI, Agentic AI, Industrial & Physical AI, Data Analytics, Simulation, and AI-Accelerated Rendering

Product Overview

The CIARA TITAN GM645R-G6 is a 4U NVIDIA MGX™ server built for Generative AI, Agentic AI, Industrial & Physical AI, Data Analytics, Simulation, and AI-Accelerated Rendering. Powered by dual AMD EPYC™ 9005 Series processors (up to 400W TDP each), it delivers robust multi-core compute performance for data-intensive and GPU-accelerated workloads.

Designed on the NVIDIA MGX™ modular architecture, the system supports up to eight NVIDIA GPUs, including the NVIDIA RTX PRO™ 6000 Blackwell Server Edition, H200 NVL, H100 NVL, and L40S, providing optimized airflow, slot spacing, and power delivery for sustained GPU performance under continuous load.

With support for up to 4 TB of DDR5 6400 MT/s RDIMM/3DS RDIMM memory, eight E1.S NVMe drive bays, dual M.2 storage devices, and up to eight 400Gb/s QSFP112 ports via NVIDIA ConnectX®-8, the CIARA TITAN GM645R-G6 delivers the networking throughput, memory bandwidth, storage density, and scalability required for modern AI clusters and next-generation high-power GPU deployments.

Key Features and Benefits

Perfect For

Gen AI

Agentic AI

AI-Accelerated Rendering

Industrial AI

Physical AI

Data Analytics

Simulation

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 processors (TDP up to 400W)
Cooling System	Passive air cooling
Memory	8 Channel memory per processor architecture 16+16 DIMM slots (2DPC) DDR5 6400 MT/s RDIMM/ 3DS RDIMM Up to 4TB
Network Controller	1 x IPMI RJ45
Storage	8 x E1.S NVMe drive bays 2 x M.2 (PCIe3.0 x4)
Expansion Slots	CX8 Version: 1 x PCIe x 16 (Gen5.0 x16) FHFL for 1 x NVIDIA BlueField®-3 DPU Non-CX8 Version: 5 x PCIe x 16 (Gen5.0 x16) FHFL for 1 x NVIDIA BlueField®-3 DPU & 4 x NVIDIA ConnectX®-7 NICs
Front I/O	CX8 Version: 1 x IPMI RJ45 1 x Mini-DP 1 x USB 3.0 1 x Micro USB 1 x Power button LED Non-CX8 Version: 1 x Power button LED 1 x UID button LED 1 x IPMI RJ45, no on-board LAN to support share-LAN through NC-SI 1 x USB 3.2 Gen 1 (5Gbps) 1 x Mini-DP 1 x Micro-USB (For UART debug)
Rear I/O	CX8 Version: 8 x QSFP112 (400Gb/s) ports via NVIDIA® ConnectX®-8 Non-CX8 Version: None
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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Hypertec Solutions

We Have Your Back

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