RTX 5090 AI Workstation
Professional single-GPU AI development, sourced and configured to your specification.
We help you choose, configure, and deliver the right system. No obligation.




Configuration at a Glance
Tailored per engagement. Full technical overview below.
Configuration Options
Core specifications for this system. Every component is configurable to your workload, so request a quote for a tailored build.
NVIDIA RTX 5090 with 32GB GDDR7
AMD Threadripper PRO (24-core class)
128GB DDR5 ECC (expandable)
4TB PCIe Gen5 NVMe SSD
Overview
The RTX 5090 AI Workstation gives individual developers and small teams desktop-class AI compute built around NVIDIA's flagship RTX 5090 and 128GB of ECC memory. Nexus Compute specifies, sources, and configures each unit to your exact software stack so it arrives ready for production work rather than as a box of parts to assemble. The number that decides whether this machine fits your work is VRAM. 32GB holds a 7B to 13B parameter model at BF16 with room left for a working context, or a 30B to 70B model once it has been quantized to 4-bit. Beyond that the weights spill into system memory and generation slows to the speed of the PCIe link rather than the card. If your models already exceed that today, the honest answer is a second GPU, a larger-VRAM professional card, or a rack server. We will tell you that before you buy rather than after. Treat it as a single-user tool: one person training or serving at a time, on a tower that wants a dedicated mains circuit and a location where fan noise under sustained load is not a problem.
Who This Solution Is For
Business Benefits
Reduce cloud spend
A one-time on-premises investment eliminates recurring GPU rental costs for teams running sustained development workloads.
Keep data in-house
Sensitive training data and proprietary models never leave your environment, which matters for regulated and IP-sensitive work.
Arrives production-ready
We pre-configure CUDA, drivers, and your chosen frameworks so the workstation is productive on day one.
Single point of accountability
One procurement partner handles specification, sourcing, configuration, and warranty support.
Typical Business Use Cases
Local LLM inference and fine-tuning on mid-scale models
Image and video generation pipelines (Stable Diffusion, FLUX, ComfyUI)
Computer vision model training and dataset preprocessing
Rapid prototyping before scaling to GPU servers or clusters
Retrieval-augmented generation (RAG) development and testing
Quantized inference on mid-to-large open-weight models that fit inside 32GB
LoRA and QLoRA fine-tuning where full-weight training would not fit in VRAM
Local development against a model that will later be served from a GPU server
Industry Applications
Technical Overview
Built on the AMD Threadripper PRO platform with the NVIDIA RTX 5090 (32GB GDDR7) and 128GB of DDR5 ECC memory. Configured with PCIe Gen5 NVMe storage and your choice of Ubuntu LTS or Windows 11 Pro, pre-loaded with the CUDA toolchain. The system memory is deliberately several times the GPU's VRAM: data loaders, tokenized datasets, checkpoint writes and any CPU offload all live there, and a machine carrying less system RAM than roughly twice its VRAM tends to stall on data loading long before the GPU becomes the limit. Storage is specified for staging rather than archive, because dataset shards and model weights should be read from local Gen5 NVMe and not from a network share, because vision and video pipelines in particular are usually I/O-bound before they are compute-bound. On power, a 1600W supply is unremarkable on a 230V socket but wants a dedicated 20A circuit on 120V mains, and it should not share that circuit with other heavy equipment. Budget for the heat as well: a workstation drawing close to a kilowatt under sustained load warms a small office noticeably, which is a room-cooling question rather than a hardware one.
| GPU | NVIDIA RTX 5090 with 32GB GDDR7 |
| CPU | AMD Threadripper PRO (24-core class) |
| System Memory | 128GB DDR5 ECC (expandable) |
| Primary Storage | 4TB PCIe Gen5 NVMe SSD |
| Operating System | Ubuntu 22.04 LTS or Windows 11 Pro |
| Software | CUDA 12.x, cuDNN, framework of choice pre-installed |
| Power Supply | 1600W 80+ Titanium |
| Warranty | 3-year on-site, next-business-day |
| GPU Architecture | NVIDIA Blackwell |
| CUDA Cores | 21,760 |
| GPU Memory Bandwidth | 1,792 GB/s |
| GPU Memory Interface | 512-bit GDDR7 |
| GPU Power (Total Graphics Power) | 575W |
| GPU Dimensions | 304mm x 137mm, dual-slot |
| GPU Interface | PCIe 5.0 |
| CPU Platform | sTR5 socket / WRX90 chipset, 8-channel DDR5 ECC, up to 128 PCIe 5.0 lanes |
Specifications are indicative and configured to each engagement. Request a quote for a configuration tailored to your requirements.
Warranty, Support & Fulfillment
Every system ships from an authorized channel, configured and tested, with the documentation enterprise buyers need: genuine product, backed by the full manufacturer warranty.
Enterprise Warranty
Full manufacturer warranty with optional on-site, next-business-day support and extended coverage.
Authorized Channel
Sourced through Tier-1 distribution and OEM partners (never grey market). Asset & warranty records included.
Lead Time & Deployment
48-hour quotes, then configured, burn-in tested, and delivered on a committed schedule.
Nationwide Fulfillment
Coordinated logistics, rack-and-stack, and delivery wherever your infrastructure lives.
Frequently Asked Questions
Can it run large language models locally?
Yes, the 32GB of VRAM runs quantized models up to roughly 70B parameters and handles full-precision inference on smaller models. For full-precision work on the largest models, we would recommend a dual-GPU or server configuration. As a sizing rule, weights need roughly two bytes per parameter at BF16 and roughly half a byte at 4-bit, and you then need headroom on top of that for the KV cache, which grows with both context length and batch size. Tell us the specific models and context lengths you intend to run and we will confirm what fits before you commit.
Does it ship ready to use?
Yes. We pre-install the operating system, GPU drivers, CUDA toolchain, and your preferred ML frameworks, and document the exact versions so your environment is reproducible. The unit arrives assembled and imaged, and is tested under load before delivery rather than shipped as a parts list for someone on your side to build. The version record matters more than it sounds: it is what lets you rebuild the same environment in eighteen months, or match it on a second machine.
Do I need a second GPU?
Not for one developer working on one model at a time. A second card earns its cost when two people need the machine at once, when you want to serve a model while training another, or when a model will not fit in 32GB even quantized. It does not make a single training run on a model that already fits meaningfully faster per step in most frameworks, so buy the second card for capacity and concurrency rather than as a general speed upgrade. If either is likely within the year, start at the Dual RTX 5090 AI Workstation instead of upgrading later.
Can it sit under a desk, or does it need a machine room?
Under a desk is workable for a single-GPU tower, with two caveats. It draws enough current that it should not share a circuit with other heavy equipment, and under sustained training load the fans are clearly audible in a quiet room. If several of these go into one open-plan office, treat the combined heat as you would any other kilowatt-class equipment and check what the room's cooling can actually shift. We will ask about your intended location during the quote for exactly this reason.
Does it support remote management?
Workstation platforms do not universally include a baseboard management controller, so out-of-band access is not something to assume on a tower. In practice most teams reach these machines over SSH or remote desktop, which is adequate for a system in the same building as its user. If you need power control and console access that works independently of the operating system, say so at quote stage and we will confirm what the platform supports, or point you at a rack server where IPMI is standard.
What happens if the workload outgrows it?
That point usually announces itself in one of three ways: models that no longer fit even at 4-bit, more than one person queuing for the GPU, or a production service that has to stay up while somebody else experiments. A workstation is the wrong shape for all three. At that stage a rack GPU server gives you more cards, redundant power, room-scale cooling and out-of-band management: see /products/gpu-servers. We would rather move you across than sell a second workstation that meets the same ceiling.
How do I get a quote?
Submit a quote request with your intended workloads. A specialist will confirm the configuration, sourcing timeline, and a detailed itemized quote, typically within two business days. Have five things ready and the call is usually enough to settle the configuration: the model names and sizes you intend to run, whether the work is inference or training, roughly how large your datasets are, when you need the machine, and any facility constraints such as available circuit, desk versus machine room, and who supports it.
Hardware Assistance
Configure the RTX 5090 AI Workstation with Nexus Compute
Tell us your requirements and a hardware specialist will help you specify, configure, and quote the right system, typically within two business days. No obligation.
