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Configure: INFINITUM AI 4U AMD EPYC Quad GPU Rackmount Server

Our INFINITUM 4U platform is designed for professionals, by professionals. Introducing best-in-class server use and storage configurations, all driven by the latest EYPC processors. No matter the use case, you are guaranteed high performance without compromise. The system complies with data server PC specifications and is fully upgradable at any time. Please do not hesitate to contact us for help with your system configuration from one of our techs by phone (1-855-915-9000), Live Chat, or email.
Base Price: Customized Price:
INFINITUM Chassis
All chassis are set up for maximum silence at idle and low system loads.

INFINITUM Pro 4U Quad-GPU rack-mountable Server Chassis, 33" length, 12x 2.5" NVME U.2 Gen4 front bays, 1x Front-USB-A 3.2
CPU AMD EPYC
All CPUs chosen provide high-efficiency, seamless operation. We fully stress and stability test these at their respective speeds.

AMD EPYCâ„¢ 9015, 8-Core / 16-Thread, 3.6 / 4.1 GHz Boost, 64MB L3 Cache
AMD EPYCâ„¢ 9115, 16-Core / 32-Thread, 2.6 / 4.1 GHz Boost, 64MB L3 Cache
AMD EPYCâ„¢ 9135, 16-Core / 32-Thread, 3.65 / 4.3 GHz Boost, 64MB L3 Cache
AMD EPYCâ„¢ 9175F, 16-Core / 32-Thread, 4.2 / 5.0 GHz Boost, 512MB L3 Cache
AMD EPYCâ„¢ 9255, 24-Core / 48-Thread, 3.2 / 4.3 GHz Boost, 128MB L3 Cache
AMD EPYCâ„¢ 9275F, 24-Core / 48-Thread, 4.1 / 4.8 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9335, 32-Core / 64-Thread, 3.0 / 4.4 GHz Boost, 128MB L3 Cache
AMD EPYCâ„¢ 9355, 32-Core / 64-Thread, 3.55 / 4.4 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9355P, 32-Core / 64-Thread, 3.55 / 4.4 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9365, 36-Core / 72-Thread, 3.4 / 4.3 GHz Boost, 192MB L3 Cache
AMD EPYCâ„¢ 9375F, 32-Core / 64-Thread, 3.85 / 4.8 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9455, 48-Core / 96-Thread, 3.15 / 4.4 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9455P, 48-Core / 96-Thread, 3.15 / 4.4 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9475F, 48-Core / 96-Thread, 3.65 / 4.8 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9535, 64-Core / 128-Thread, 2.4 / 4.3 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9555, 64-Core / 128-Thread, 3.2 / 4.4 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9555P, 64-Core / 128-Thread, 3.2 / 4.4 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9565, 72-Core / 144-Thread, 3.15 / 4.3 GHz Boost, 384MB L3 Cache
AMD EPYCâ„¢ 9575F, 64-Core / 128-Thread, 3.3 / 5 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9645, 96-Core / 192-Thread, 2.3 / 3.7 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9655, 96-Core / 192-Thread, 2.6 / 4.5 GHz Boost, 384MB L3 Cache
AMD EPYCâ„¢ 9655P, 96-Core / 192-Thread, 2.6 / 4.5 GHz Boost, 384MB L3 Cache
AMD EPYCâ„¢ 9745, 128-Core / 256-Thread, 2.4 / 3.7 GHz Boost, 256MB L3 Cache
AMD EPYCâ„¢ 9755, 128-Core / 256-Thread, 2.7 / 4.1 GHz Boost, 512MB L3 Cache
AMD EPYCâ„¢ 9825, 144-Core / 288-Thread, 2.2 / 3.7 GHz Boost, 384MB L3 Cache
AMD EPYCâ„¢ 9845, 160-Core / 320-Thread, 2.1 / 3.75 GHz Boost, 320MB L3 Cache
AMD EPYCâ„¢ 9965, 192-Core / 384-Thread, 2.25 / 3.7 GHz Boost, 384MB L3 Cache
Cooling CPU
Every cooling option is stress tested to ensure optimal performance in typically expected environments and operate quietly at idle and during low-load tasks.

Quiet 276mm AIO CPU Liquid Cooling, maintenance-free, with 3x temperature-controlled, pressure-optimized 92mm fans
Motherboard AMD EPYC
All motherboards are selected for maximum reliability and connectivity.

MSI G4101-01
Remote Management: BMC AST2600 IPMI | PCIe Slots: 4x PCIe 5.0 x16 + 2x PCIe 4.0 x16 (x8 signal) | Form Factor: EEB | USB: 2x 5Gbps Type-A | 1x BMC IPMI LAN Port | Storage: 2x Gen3 M.2 + 12x Gen4 U.2 | Display: 1x VGA
Memory RDIMM
All memory modules we use are from industry-leading manufacturers. We fully stress and stability test these at their respective speeds.

64GB (4x 16GB) 5600 DDR5 ECC Registered Quad-Channel
192GB (12x 16GB) 5600 DDR5 ECC Registered, 12-Channel
384GB (12x 32GB) 5600 DDR5 ECC Registered, 12-Channel
576GB (12x 48GB) 5600 DDR5 ECC Registered, 12-Channel
768GB (12x 64GB) 5600 DDR5 ECC Registered, 12-Channel
1152GB (12x 96GB) 5600 DDR5 ECC Registered, 12-Channel
1536GB (12x 128GB) 6400 DDR5 ECC Registered, 12-Channel | May run at slightly reduced speeds due to variation in CPU IMC compatibility
Graphics Card
We offer a range of graphics cards to fulfill all productivity and gaming needs.

NVIDIA GeForce RTX 5080 16 GB GDDR7 | 1x HDMI 2.1a + 3x DisplayPort 2.1b with UHBR20, DSC, 4K/480Hz and 8K/120Hz HDR | Silent Idle
[In Stock] NVIDIA GeForce RTX 5090 32 GB GDDR7 | 1x HDMI 2.1a + 3x DisplayPort 2.1b with UHBR20, DSC, 4K/480Hz and 8K/120Hz HDR | Silent Idle
Dual (2x) NVIDIA GeForce RTX 5080 16 GB GDDR7 | 1x HDMI 2.1a + 3x DisplayPort 2.1b with UHBR20, DSC, 4K/480Hz and 8K/120Hz HDR | Silent Idle
[In Stock] Dual (2x) NVIDIA GeForce RTX 5090 32 GB GDDR7 | 1x HDMI 2.1a + 3x DisplayPort 2.1b with UHBR20, DSC, 4K/480Hz and 8K/120Hz HDR | Silent Idle
Quad (4x) NVIDIA GeForce RTX 5080 16 GB GDDR7, 1x HDMI 2.1a, 3x DisplayPort 2.1b with UHBR20, DSC, 4K/480Hz and 8K/120Hz HDR, Silent Idle
[In Stock] Quad (4x) NVIDIA GeForce RTX 5090 32 GB GDDR7 | 1x HDMI 2.1a + 3x DisplayPort 2.1b with UHBR20, DSC, 4K/480Hz and 8K/120Hz HDR | Silent Idle
NVIDIA Professional (Quadro) RTX A6000, 48 GB GDDR6, 10752 CUDA Cores, 336 Tensor Cores, 86 RT Cores, 4x DisplayPort 1.4a
NVIDIA Professional (Quadro) RTX 6000 Ada, 48 GB GDDR6, 18,176 Ada-CUDA Cores, 568 Tensor Cores, 142 RT Cores, 4x DisplayPort 1.4a. Academic discount available upon NVIDIA approval. Please contact us for details
Dual (2x) (Non-NVLink) NVIDIA Professional (Quadro) RTX A6000, 48 GB GDDR6, 10752 CUDA Cores, 336 Tensor Cores, 86 RT Cores, 4x DisplayPort 1.4a
Dual (2x) NVLink NVIDIA Professional (Quadro) RTX A6000, 48 GB GDDR6, 10752 CUDA Cores, 336 Tensor Cores, 86 RT Cores, 4x DisplayPort 1.4a
Dual (2x) NVIDIA Professional (Quadro) RTX 6000 Ada, 48 GB GDDR6, 18,176 Ada-CUDA Cores, 568 Tensor Cores, 142 RT Cores, 4x DisplayPort 1.4a. Academic discount available upon NVIDIA approval. Please contact us for details
[In Stock] Dual (2x) NVIDIA RTX PRO 6000 Blackwell Workstation Edition | VRAM: 96 GB GDDR7 ECC 1792 GB/s | CUDA Cores: 24,064 | Single Precision Performance: 125 TFLOPS | RT Performance: 380 TFLOPS | AI TOPS: 4,000 | Display: 4x DP 2.1b | Academic discount available upon NVIDIA approval. Please contact us for details.
Quad (4x) (Non-NVLink) NVIDIA Professional (Quadro) RTX A6000, 48 GB GDDR6, 10752 CUDA Cores, 336 Tensor Cores, 86 RT Cores, 4x DisplayPort 1.4a. Academic discount available upon NVIDIA approval. Please contact us for details. Requires Server Room fan configuration selected above.
Quad (4x) NVIDIA Professional (Quadro) RTX 6000 Ada, 48 GB GDDR6, 18,176 Ada-CUDA Cores, 568 Tensor Cores, 142 RT Cores, 4x DisplayPort 1.4a. Academic discount available upon NVIDIA approval. Please contact us for details, Requires Server Room fan configuration selected above.
[In Stock] Quad (4x) NVIDIA RTX PRO 6000 Blackwell Workstation Edition | VRAM: 96 GB GDDR7 ECC 1792 GB/s | CUDA Cores: 24,064 | Single Precision Performance: 125 TFLOPS | RT Performance: 380 TFLOPS | AI TOPS: 4,000 | Display: 4x DP 2.1b | Academic discount available upon NVIDIA approval. Please contact us for details.
NVIDIA Professional (Quadro) A800 Ada, 40 GB HBM2, 6912 Ada-CUDA Cores, 432 Tensor Cores. Academic discount available upon NVIDIA approval. Please contact us for details
Dual (2x) NVIDIA Professional (Quadro) A800 Ada, 40 GB HBM2, 6912 Ada-CUDA Cores, 432 Tensor Cores. Academic discount available upon NVIDIA approval. Please contact us for details
Quad (4x) NVIDIA Professional (Quadro) A800 Ada, 40 GB HBM2, 6912 Ada-CUDA Cores, 432 Tensor Cores. Academic discount available upon NVIDIA approval. Please contact us for details, Requires Server Room fan configuration selected above.
Overclocking
NOTE: This section is not required. You do not need to make a selection. Default standard CPU, GPU, and RAM boost clock profiles applied. Choose whether to apply alternative overclocking profiles.

GPU Performance Boost | Apply a moderate and stable overclock to the graphics card | NOTE: Windows Only - Ubuntu does not allow for overclocking.  - 
M.2 SSD Storage
We recommend M.2 SSDs for applications and files reliant on high speeds, such as editing and encoding, or when silent system operation is needed. The system drive SSD will contain the Operating System (OS) and primary applications.

4 TB WD Blue SN5000 | Gen4 NVMe M.2 SSD | Seq. Read/Write: 5,500 / 5,000 MB/s
1 TB WD Blue SN5000 | Gen4 NVMe M.2 SSD | Seq. Read/Write: 5,150 / 4,900 MB/s
1 TB Samsung 990 EVO Plus | Gen4 NVMe M.2 SSD | Seq. Read/Write: 7,150 / 6,300 MB/s
1 TB WD Black SN850X Gen4 NVMe SSD (read/write speed (MB/s): 7,300/6,300), silent, updated to latest firmware
1 TB Samsung 990 PRO Gen4 NVMe SSD (read/write speed (MB/s): 7,450/6,900), silent, updated to latest firmware
2 TB WD Blue SN5000 | Gen4 NVMe M.2 SSD | Seq. Read/Write: 5,150 / 4,850 MB/s
2 TB Samsung 990 EVO Plus Gen4 NVMe SSD (read/write speed (MB/s): 7,250/6,300), silent, updated to latest firmware
2 TB WD Black SN850X Gen4 NVMe SSD (read/write speed (MB/s): 7,300/6,600), silent, updated to latest firmware
2 TB Samsung 990 PRO Gen4 NVMe SSD (read/write speed (MB/s): 7,450/6,900), silent, updated to latest firmware
4 TB Samsung 990 EVO Plus Gen4 NVMe SSD (read/write speed (MB/s): 7,250/6,300), silent, updated to latest firmware
4 TB Samsung 990 PRO Gen4 NVMe SSD (read/write speed (MB/s): 7,450/6,900), silent, updated to latest firmware
8 TB WD SN850X Gen4 NVMe SSD (read/write speed (MB/s): 7,200/6,600), silent, updated to latest firmware
M.2 SSD Storage Slot 2
Please choose from additional M.2 storage.

2.5" NVMe U.2/U.3 Storage Slot 1
We recommend U.2/U.3 NVMe SSDs for larger datasets and files reliant on high speeds.

Connectivity
NOTE: This section is not required. You do not need to make a selection. Please first check your selected motherboard above for the included standard connectivity options. For additional connectivity options, please select from the devices below.

Intel Ethernet Network Adapter X710-T2L. 2x 10Gbit Ethernet connectors, 8x PCIe. Allows NIC Teaming in Windows 10 and Windows Server. Low-Profile  - 
Intel Ethernet Network Adapter X710-T4. 4x QSFP+ 10GB connectors, 8x PCIe. Allows NIC Teaming in Windows 10 and Windows Server. Low-Profile  - 
TP-Link TG-3468 1GB Network Card, Ethernet, PCIe 1x, passive cooling. Low-Profile  - 
4x U.2 PCIe 4.0 16x Adapter Card [Required for Additional U.2 Drives]. Low-Profile  - 
Dual (2x) 10GBit SFP+ Intel 82599ES PCIe 8x Network Adapter (compares to X520-DA2). Low-Profile  - 
Intel E810-2CQDA2 100Gb Dual-Port 2x QSFP28 Ethernet Converged Network Adapter, 16x PCIe Gen4. Low-Profile  - 
Intel E810-XXVDA2-OCPV3 10Gb Dual-Port SFP+ OCP 3.0 Ethernet Adapter Ref  - 
Intel XL710-BM2 40Gb Dual-Port QSFP+ Ethernet Converged Network Adapter, 8x PCIe. Low-Profile  - 
Intel XXV710-DA2 Dual-Port 25GB SFP28 PCie 8x Ethernet Network Adapter. Low-Profile  - 
LSI SAS 9300-8i 16-port, PCIe 3.0 x8, 12Gb/s SAS HBA Controller - Cables included. Low-Profile  - 
NVIDIA QUADRO SYNC II 1x PCIe module to enable NVIDIA Mosaic - compatible with RTX A4000 to A6000 and 4000 to 6000 Ada cards, Full-Height  - 
NVIDIA Mellanox MCX515A-CCAT ConnectX-5 EN Ethernet Network Interface Card, 100GbE Single-Port QSFP28, 16x PCIe. Low-profile  - 
RocketU 1444C 4x 20GB/s Port USB Type-C 3.2 Controller. Low-Profile. PCIe 16x slot required.  - 
SeaLINK+2/PC.SC - 2 Port RS-232, RS-422, RS-485. Low-Profile  - 
StarTech 4 Port USB Type-A 3.0 PCIe 4x Card w/ 4x Dedicated 5Gbps Channels PEXUSB3S44V. Low-Profile  - 
StarTech PEX40GQSFPI 1-Port 40G QSFP+ Network Card - Intel XL710 Open QSFP+ Converged Adapter - PCIe 40 Gigabit Ethernet Server NIC - 40GbE Fiber Optic LAN Card. Low-Profile  - 
ASUS PCE-AXE59BT Wifi 6E, Bluetooth 5.2 PCIe 1x adapter. Supports 6GHz Band, WPA3, 160MHz, WPA3 Network Security, OFDMA and MU-MIMO, External Antenna, Magnetic Base, Ultra Low Latency. Low-Profile  - 
TP-Link 10Gb PCIe 4x Ethernet Network Adapter, passive cooling. Low-Profile  - 
Dual (2x) 10GBit SFP+ Startech Broadcom PEX2000SFPI 8x Network Adapter (compares to X520-DA2). Low-Profile  - 
FireWire 400 Dual Port 1x PCIe Expansion Card. Low-Profile  - 
Intel PCIe Wifi 6 802.11ax 2.4/5.0 GHz (up to 2400 Mbps), Bluetooth 5.1 PCIe 1x adapter. Low-Profile  - 
Quad (4x) Intel I350-T4 (or comparable) Gigabit PCIe 4x Ethernet Network Adapter. Allows NIC Teaming in Windows 10 Pro and Windows Server. No Linux support. Low-Profile  - 
Power Supply
All our Power Supply Units (PSU) operate from 110-240V and can be used worldwide. All PSUs are inaudible during idle and low system loads. Gold PSUs feature a minimum efficiency of 90% and Platinum PSUs of 92%.

1+1 CRPS 3000W Redundant Platinum PSU
Fan Configuration
All systems come with maximum installation of fans for best performance and silence. Server Fan Configuration is required for quad-GPU systems.

Max-airflow fan configuration | Maximum-speed, airflow-optimized fan curve profile combined with high-speed fans for cooling any hardware setup in any environment. | I do not care about noise. | Required for dual GeForce RTX 5090s and quad-GPU systems.
Operating System
Please select your preferred operating system. We recommend Windows 11 Home 64-Bit for most personal use cases. Windows 11 Pro provides additional features, such as Bitlocker encryption, Hyper-V virtualization, group policy editing, remote desktop connections, and domain joining. For systems requiring Windows 11 Pro for Workstations, Windows 11 Education, Windows 11 Enterprise IoT LTSC, or Windows Server, please contact us. If you would like an operating system language other than English, please specify your preference in the comment field at the bottom of this page.

Microsoft Windows 11 - 64-Bit
Microsoft Windows 11 Enterprise LTSC | Best for large enterprises with complex IT management requiring advanced security; Windows Defender ATP, Information Protection, Application Guard, Credential Guard, and app virtualization, and group policy editor. No automatic or feature updates. | Required for NIC teaming.
Microsoft Windows 11 Professional - 64-Bit. Allows optional BitLocker encryption. Includes Outgoing RDP (Remote Desktop Protocol).
Ubuntu 24.04.2 LTS. Includes installation of OS and downloadable updates. No further support. No support for any kind of hardware-based RAID, software RAID 1 only.
Rack Mounting Kits
Choose your preferred rack mounting options below.

Reverse mount configuration | Power button relocated to rear of case and rear faces outwards
Sliding Rails for INFINITUM Rackmount Systems. Supported rack depth: 28" to 39"
Manufacturing Service
Every STEIGER DYNAMICS system is custom built-to-order from scratch. Your estimated ship date will be provided when checkout is completed. If you’re needing your system faster for a time-critical project, we offer a Priority Build Service.

Priority Assembly Service - System is guaranteed to ship within 8 business days after order is processed. We will confirm the Priority Assembly option once we receive your order. Priority Assembly does not include expedited shipping. The Priority Assembly option will be fully refunded if the guaranteed ship date cannot be met.  - 
Warranty and Support
At STEIGER DYNAMICS, we believe everyone deserves the best. That’s why each of our systems go through rigorous quality control and testing plus feature a standard 1-year limited warranty and top-notch customer support. Our US-based team provides remote desktop, live chat, email, and phone support along with free labor for maintenance. If a longer warranty is needed, please call our sales team for a quote.

1-Year Warranty on Parts and Labor with Lifetime Email, Chat and Phone support
2-Year Warranty on Parts and Labor with Lifetime Email, Chat and Phone support
3-Year Warranty on Parts and Labor with Lifetime Email, Chat and Phone support
Apparel
Choose your free STEIGER DYNAMICS T-Shirt!


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