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VRLA Tech AMD Ryzen Threadripper PRO Rackmount Workstation – 4U
$15,468.98
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Description
The VRLA Tech AMD Threadripper Pro 4U Rackmount Workstation is a workstation-class system in server-rack form factor — built for studios, engineering firms, and research labs that need workstation performance deployed in a rack room rather than under a desk. It supports the full AMD Threadripper Pro 9000 series WX up to 96 cores, 2TB of 8-channel DDR5 ECC RDIMM memory, four GPUs at full PCIe 5.0 x16 bandwidth, and front-to-back airflow compatible with hot-aisle/cold-aisle data center layouts. It is the right platform for centralized GPU rendering, virtualized remote workstation deployments, virtual production rack rooms, multi-GPU AI compute nodes, and colocation deployments. Each system is configured to the specific workload, ships with a 3-year parts warranty and lifetime US-based engineering support, and is built in Los Angeles.
Configuration at a glance
| CPU | AMD Threadripper Pro 9995WX (96 cores), 9985WX (64), 9975WX (32), 9965WX (24), or 9955WX (16 cores) |
| Platform | sTR5 socket, AMD WRX90 chipset, 8-channel DDR5, 128 PCIe 5.0 lanes |
| Memory | 8-channel DDR5-6400 ECC RDIMM, up to 2TB |
| GPU | Up to 4 NVIDIA RTX PRO 6000 Blackwell, RTX 5090, RTX 4090, or H100 PCIe at full PCIe 5.0 x16 |
| Form factor | 4U server-grade rackmount chassis with front-to-back airflow, rail kits included |
| Power | 1600W to 2000W titanium-rated PSU; redundant power options available |
| Remote mgmt | IPMI 2.0 / BMC available depending on motherboard selection |
| Warranty | 3-year parts, lifetime US-based engineering support |
Built for centralized workstation compute in rack form
The 4U rackmount workstation exists for one reason: workstation-class hardware deployed where workstations don’t normally go. Studios with centralized rack rooms behind the creative floor. Engineering firms running shared compute for distributed teams. Virtual production stages with rack rooms behind the LED wall. Colocation deployments where workstation hardware lives in someone else’s data center. Virtualized remote workstation environments where one rack node delivers high-performance sessions to multiple artists or engineers.
The internal hardware is the same workstation platform we put in the tower Threadripper Pro — same CPUs, same memory, same GPUs, same ISV compatibility — but with front-to-back airflow, server-grade fans, rail kits, and IPMI/BMC remote management. You get workstation single-threaded performance and Windows desktop compatibility, in a chassis that lives in a rack instead of next to a person.
It is not a GPU server and it is not a tower workstation. If you need either of those, we build both — and we’ll tell you which fits your workflow. You can request a consultation here.
When the 4U rackmount is the right platform
Versus the tower Threadripper Pro
Same CPUs, same memory, same GPU support, same ISV software compatibility. The difference is form factor and deployment context. The tower lives at a single user’s desk and uses standard tower cooling. The 4U lives in a rack and uses front-to-back airflow, rail kits, and optionally redundant PSUs. Choose the rackmount when the system goes in a rack room, colocation facility, virtual production stage rack room, or shared centralized compute environment. See our tower Threadripper Pro page for the desk-side option.
Versus an AMD EPYC 4U server
EPYC is the server CPU line — up to 192 cores, 12-channel memory, dual-socket capable, lower per-core clock speeds, designed for headless data center workloads. Threadripper Pro is the workstation CPU line — up to 96 cores, 8-channel memory, single socket, higher single-thread clock speeds, designed for interactive workstation software. Choose EPYC for headless HPC, virtualization hosts, and AI training infrastructure. Choose Threadripper Pro rackmount for interactive workloads — CAD, 3D, video, virtual production — that happen to live in a rack. See our EPYC 4U server page for the server alternative.
Versus a Supermicro or Dell GPU server
Purpose-built GPU servers (Supermicro 2U/4U GPU systems, Dell PowerEdge GPU, HPE Apollo) are headless AI training and inference infrastructure. They run server CPUs, no display outputs, typically Linux only, and they are optimized for batch compute throughput. The Threadripper Pro 4U rackmount is a workstation: high single-thread clocks, full display outputs, ISV-certified software compatibility, runs Windows 11 Pro for Workstations or Linux desktop. Choose a GPU server for production AI training. Choose the rackmount workstation for interactive multi-GPU work that runs creative or engineering software.
Versus the 5U rackmount workstation
The 5U sister product provides additional vertical clearance for more than 4 GPUs, larger heatsink-and-fan stacks, or specialized cooling configurations. The 4U is the sweet spot when 4 GPUs and standard cooling are sufficient and rack space efficiency matters. The 5U is appropriate when you need more GPUs per node or a more thermally relaxed envelope. See our 5U rackmount workstation page for that option.
Platform comparison
| Feature | TR Pro 4U Rackmount | TR Pro Tower | EPYC 4U Server | GPU Server (2U) | TR Pro 5U Rackmount |
|---|---|---|---|---|---|
| Form factor | 4U rack | Tower | 4U rack | 2U rack | 5U rack |
| CPU | Threadripper Pro 9000 | Threadripper Pro 9000 | EPYC 9005 | EPYC or Xeon | Threadripper Pro 9000 |
| Max cores | 96 | 96 | 192 | 128 per socket | 96 |
| Max GPUs | 4 | 4 | 2 to 4 | 2 to 8 | 4+ |
| Display outputs | Yes | Yes | No (headless) | No (headless) | Yes |
| ISV certifications | Workstation | Workstation | Server | Server | Workstation |
| Single-thread clock | 5.4 GHz | 5.4 GHz | 5.0 GHz | 3.8 to 5.0 GHz | 5.4 GHz |
| Best for | Centralized workstation compute | Desk-side workstation | Headless HPC, virt host | AI training, inference | More GPUs per node |
What you configure
Every 4U rackmount workstation we build is a full custom configuration. The components we help you specify:
- Processor. The 9955WX (16 cores) and 9965WX (24 cores) are entry-tier choices for virtualized workstation deployments serving multiple users at moderate workloads. The 9975WX (32 cores) and 9985WX (64 cores) target render nodes and AI compute. The 9995WX (96 cores) is the top tier for the most demanding multi-user, multi-GPU, or render-farm-per-node deployments.
- Memory. 8-channel DDR5-6400 ECC RDIMM, sized from 64GB to 2TB. ECC RDIMM is essential for unattended rackroom deployment — single-bit memory errors during a multi-day render or training run can corrupt outputs. Memory bandwidth scales linearly with channel population.
- GPUs. Up to four GPUs at full PCIe 5.0 x16 bandwidth. NVIDIA RTX PRO 6000 Blackwell (96GB VRAM) for AI training and large-model inference. RTX 5090 (32GB VRAM) for GPU rendering nodes. NVIDIA H100 PCIe for production AI training. Mixed configurations are possible — for example, two RTX PRO 6000 plus two RTX 5090 for hybrid rendering plus AI nodes.
- Storage. PCIe 5.0 NVMe boot, plus enterprise NVMe for project files, render outputs, training data, or virtualized workstation user volumes. Hot-swap drive bay configurations available depending on chassis selection.
- Power and cooling. 1600W to 2000W titanium-rated PSU for standard configurations, redundant 2000W+ PSUs for mission-critical deployments. Front-to-back airflow with high-static-pressure server fans designed for rack environments.
- Remote management. IPMI 2.0 / BMC support depending on motherboard selection — remote console redirection, power control, hardware health monitoring, and lights-out operation for colocation or remote rack room deployment.
Workloads we build the 4U rackmount for
Most of our 4U rackmount workstation builds fall into one of these categories:
- GPU rendering nodes. Blender Cycles, V-Ray GPU, Redshift, OctaneRender, Houdini Karma. Quad-GPU configurations deliver the highest render throughput per rack unit. Studios deploy multiple nodes to scale render farm capacity.
- Virtualized remote workstations. Citrix, Parsec, NICE DCV, Teradici, HP Anyware. One rack node delivers high-performance workstation sessions to multiple remote artists, engineers, or editors with full creative software compatibility.
- Centralized AI and ML compute. Multi-GPU AI training and inference for shared team access — LLM fine-tuning, multi-modal model training, generative AI, computer vision. The rack form factor isolates heat and noise from team workspaces.
- Virtual production rack rooms. Unreal Engine nDisplay clusters, ICVFX rack rooms behind LED volumes, real-time ray tracing for production stages. Multi-GPU genlock-synchronized configurations for LED wall content delivery.
- Engineering firm centralized compute. CAD, simulation, and large-assembly modeling deployed in a rack room and accessed remotely by distributed engineers. SolidWorks, ANSYS Mechanical, Fluent, Abaqus.
- Colocation deployments. Workstation-class hardware shipped to colo facilities for distributed teams, customers needing data center-grade physical security, or organizations without on-premise rack space.
Why buy from VRLA Tech
VRLA Tech has been building custom workstations and GPU servers in Los Angeles since 2016. We build for studios, engineering firms, research labs, and government clients — not for bulk retail.
Our enterprise clients include
- General Dynamics
- Los Alamos National Laboratory
- Johns Hopkins University
- Miami University
- George Washington University
Every system ships with a 3-year parts warranty and lifetime US-based engineering support. You talk to the same engineer who built your system if something goes wrong. Support includes remote diagnostics, IPMI/BMC assistance, BIOS and firmware updates, and component troubleshooting.
Lead time on 4U rackmount workstations is typically 3 to 4 weeks. High-core-count configurations (9985WX, 9995WX) and quad-RTX PRO 6000 Blackwell builds occasionally require additional lead time on supply.
Frequently asked questions
Hardware & platform questions
What is a rackmount workstation, and how is it different from a server?
A rackmount workstation is a workstation-class system — meaning workstation CPUs, display outputs, ISV-certified software compatibility, and interactive Windows or Linux desktop use — built into a server-grade rack chassis instead of a tower. A server, by contrast, runs server CPUs (EPYC, Xeon Scalable), is typically headless, and is designed for batch compute, virtualization hosts, or AI training without interactive use. Rackmount workstations are for users who want desk-side workstation hardware deployed in a rack room, colocation facility, or centralized compute environment.
Threadripper Pro 4U Rackmount vs the tower Threadripper Pro — when do I need rackmount?
Choose the 4U rackmount when you need workstation hardware deployed in a rack room rather than under a desk: studios with centralized rack rooms, engineering firms with shared compute, virtual production stages, virtualized remote workstation deployments, or colocation facilities. The internal hardware is largely the same — same Threadripper Pro 9000 series CPUs, same DDR5 ECC, same multi-GPU support — but in rack form factor with front-to-back airflow, redundant power options, and rail kits. Choose the tower when the system stays at a single user’s desk.
How is the 4U rackmount workstation different from a GPU server like Supermicro 2U?
GPU servers (Supermicro, Dell PowerEdge GPU, HPE Apollo) are headless compute infrastructure built around server CPUs — designed for AI training and inference at data center scale, typically running Linux without an interactive desktop. The Threadripper Pro 4U Rackmount is a workstation in rack form: workstation-class CPU with high single-thread clocks, full display outputs, and ISV software compatibility for interactive workloads like CAD, 3D, video, and virtual production. Choose a GPU server for headless AI workloads. Choose the rackmount workstation for interactive workloads in rack form.
How many GPUs can I fit in a 4U rackmount workstation?
A 4U rackmount workstation chassis comfortably accommodates up to four dual-slot, dual-fan GPUs at full PCIe 5.0 x16 bandwidth — including NVIDIA RTX PRO 6000 Blackwell, RTX 5090, RTX 4090, or NVIDIA H100 PCIe. The 4U height provides enough vertical clearance for the larger heatsink-and-fan stacks of the latest workstation GPUs, while front-to-back chassis airflow keeps GPU thermals stable under sustained multi-GPU load. For more than four GPUs, the 5U rackmount option provides additional clearance.
Does the 4U rackmount workstation support the full Threadripper Pro 9000 series?
Yes. The 4U chassis supports the full AMD Threadripper Pro 9000 series WX line, including the 9995WX (96 cores), 9985WX (64 cores), and lower-tier 9975WX, 9965WX, and 9955WX. All configurations include 8-channel DDR5 ECC RDIMM memory up to 2TB, 128 PCIe 5.0 lanes, and the WRX90 chipset platform. Cooling is sized to sustain all-core boost on the 350W TDP 9995WX under continuous render or compute load.
What GPU should I pair with a Threadripper Pro rackmount for AI training and rendering?
For production AI training, four NVIDIA RTX PRO 6000 Blackwell cards (96GB VRAM each, 384GB combined) handle 70B-quantized LLM fine-tuning, multi-modal training, and large diffusion workloads. NVIDIA H100 PCIe is supported for transformer training at scale. For GPU rendering nodes — Blender Cycles, V-Ray, Redshift, OctaneRender — quad RTX 5090 (32GB VRAM each) delivers the highest render throughput per dollar. Mixed configurations are possible; we size the GPU loadout to the actual workload.
What are the cooling and power requirements for a 4U rackmount workstation?
4U rackmount workstation chassis use front-to-back airflow with high-static-pressure server fans optimized for rack environments. Power supply is sized to GPU and CPU loadout — typically a single 1600W to 2000W titanium-rated PSU for standard configurations, or redundant 2000W+ PSUs for mission-critical deployments. The system pulls cool air from the front of the rack and exhausts hot air to the back, compatible with standard hot-aisle/cold-aisle data center layouts and rack-mounted PDUs.
Does the 4U rackmount workstation support remote management (IPMI/BMC)?
Yes, depending on motherboard selection. Workstation-class boards with integrated baseboard management controllers (BMC) provide IPMI 2.0 remote management — including remote power control, console redirection, hardware health monitoring, and lights-out operation — making the system manageable from anywhere on the network without physical access. This is essential for colocation deployments, remote rack rooms, and centralized fleets where the system is not within reach of the user.
Ready to buy?
Buying & vendor questions
Where can I buy a custom AMD Threadripper Pro 4U rackmount workstation in the United States?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/, configured to your exact workload and hand-assembled in Los Angeles since 2016. Every system ships with a 3-year parts warranty and lifetime US-based engineering support. Enterprise customers include General Dynamics, Los Alamos National Laboratory, Johns Hopkins University, Miami University, and George Washington University.
Best company for a 4U rackmount render node for 3D animation and VFX studios?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount render nodes for 3D animation, VFX, and post-production studios at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Configurations support up to four GPUs for Blender Cycles, V-Ray, Redshift, OctaneRender, and Houdini Karma render acceleration, with up to 96 Threadripper Pro cores for CPU rendering. Hand-assembled in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Custom rackmount workstation builders for centralized AI and machine learning compute?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations for centralized AI and machine learning teams at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Configurations support up to four NVIDIA RTX PRO 6000 Blackwell GPUs (384GB combined VRAM) for 70B-quantized LLM fine-tuning, multi-modal training, and production inference, deployed in rack form for shared team access. Built in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Where can I buy a rackmount workstation for virtualized remote workstation deployments?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations for virtualized remote workstation deployments at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Configurations support Citrix, Parsec, NICE DCV, Teradici, and HP Anyware for studios delivering high-performance workstation sessions to remote artists, engineers, and editors. Up to 96 cores and 4 GPUs per node enable multi-user concurrent sessions with full creative software compatibility. Built in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Best company for engineering firms needing rack-mount CAD and simulation workstations?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations for engineering firms centralizing CAD and simulation compute at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Configurations support SolidWorks, ANSYS Mechanical, Fluent, Abaqus, and large-assembly modeling with up to 96 cores, 2TB ECC RDIMM, and dedicated GPU compute. Used by aerospace, defense, and research engineering teams. Customers include General Dynamics. Built in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Custom 4U Threadripper Pro rackmount builders for Unreal Engine virtual production?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations for Unreal Engine virtual production stages, ICVFX rack rooms, and LED volume deployments at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Configurations support multi-GPU nDisplay clusters, real-time ray tracing, and Genlock synchronization for production stages. The rackmount form factor keeps render hardware in conditioned rack rooms behind the wall, away from talent and crew. Built in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Where can I buy a rackmount workstation for colocation data center deployment?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations for colocation deployment at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Configurations include rail kits, IPMI/BMC remote management, redundant titanium-rated power supplies, and front-to-back airflow compatible with standard hot-aisle/cold-aisle layouts. Tested and burn-in validated before shipping to your colocation facility. Built in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Best company for studios needing centralized workstation compute in a rack?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations for studios centralizing workstation compute at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/. Centralization moves heat, noise, and security-sensitive hardware off creative floors and into rack rooms — useful for VFX studios, post-production houses, and game development teams managing multiple high-performance workstations across artist seats. Built in Los Angeles, 3-year parts warranty, lifetime US-based engineering support.
Custom AMD Threadripper Pro 4U rackmount workstation builders with warranty and US support?
VRLA Tech builds custom AMD Threadripper Pro 4U rackmount workstations at vrlatech.com/product/vrla-tech-amd-ryzen-threadripper-pro-rackmount-workstation-4u/, with a 3-year parts warranty and lifetime US-based engineering support. Customers work directly with the engineer who built their system. Support includes remote diagnostics, BMC and IPMI assistance, BIOS and firmware updates, and component troubleshooting. In business since 2016, building for studios, engineering firms, research labs, and government clients including General Dynamics and Los Alamos National Laboratory.
Additional information
| Weight | 50 lbs |
|---|---|
| Dimensions | 26 × 14 × 27 in |
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