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TITAN G645R-G6

AI & GPU Server

The CIARA TITAN G645R-G6 is a 4U AI & GPU server built for AI training, advanced analytics, and large-scale machine learning.

4U
Dual AMD EPYC™ 9005/9004 and 97x4 Series Processors
Supports 10 dual-slot GPUs with 600W TDP each
Up to 6TB DDR5-6400 MT/s memory
16 x 2.5" NVMe hot-swap or 24 x 2.5" SATA/SAS hot-swap drive bays*
ASPEED AST2600 management
3200W (3+1) 80 PLUS Titanium Power Supply
Perfect for AI Training, AI Inference, Machine Learning and more

Product Overview

The CIARA TITAN G645R-G6 is a 4U high-performance GPU server built for AI training, advanced analytics, simulation workloads, and large-scale machine learning. Powered by dual AMD EPYC™ 9005/9004 and 97×4 Series processors (up to 500 W TDP each), it delivers strong multi-core performance and the compute density required for modern AI pipelines.

Supporting up to ten GPUs (600 W TDP each), including NVIDIA RTX Pro™ 6000 SE, H200 NVL, H100 NVL, and L40s, the system accelerates deep learning, training, inference, and generative AI workloads at scale.

Thanks to its support for up to 6TB of high-speed DDR5 memory, PCIe Gen5 expansion and flexible storage options, the CIARA TITAN G645R-G6 delivers the bandwidth, performance and reliability needed for intensive AI and HPC environments.

Key Features and Benefits

Perfect For

AI Training

AI Inference

Machine Learning

Deep Learning

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
GPU	Supports 10 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	2 x RJ45 (1GbE) by Intel i350 1 x Realtek RTL8211F for dedicated management GLAN
Storage	16 x hot-swap 2.5" NVMe (PCIe5.0 x4) drive bays or 24 Hot-swap 2.5" SATA/SAS* drive bays *Additional RAID/HBA card required 2 x M.2 (PCIe3.0 x4 or SATA 6Gb/s)
Expansion Slots	10 x PCIe x16 (Gen5 x16) FHFL 2 x PCIe x8 (Gen5 x8) FHFL 1 x PCIe x16 (Gen5 x16) FHFL (CPU direct link) 2 x PCIe x16 (Gen5 x16) FHHL
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 2 x RJ45 (1GbE) by Intel i350, shares with Rear IO 1 x dedicated IPMI, shares with Rear IO 4 x Type-A (USB3.2 Gen1) 1 x DB15 (VGA)
Rear I/O	1 x UID button 1 x DB15 (VGA) 2 x Type-A (USB3.2 Gen1) 2 x RJ45 (1GbE) by Intel i350, shares with Front Panel 1 x dedicated IPMI, shares with Front Panel
Management	Aspeed® AST2600 Baseboard Management Controller
Power Supply	3+1, 80-PLUS Titanium, 3200W CRPS
Environment	Operating temperature: 10°C to 35°C (50°F to 95°F) Non-operating temperature: -40°C to 70°C (-40°F to 158°F) Non-operating humidity: 20% to 90% (non-condensing)
Dimensions (DxWxH)	1160mm x 645mm x 530mm 45.7" x 25.4" x 20.9"
Estimated Weight	Net Weight: 47 kg / 104 lb Gross Weight: 56 kg / 124 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 G645R-G6

AI & GPU Server

Product Overview

Key Features and Benefits