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JTG Systems
1,100+ Google reviews
AI Computer Builds & GPU Workstations
From single-GPU creative rigs to 4-GPU training servers, we design, cable-manage, and burn-in every system locally.
We are the highest-rated computer company in Niagara.
Need Stable Diffusion on your desk, multi-camera Resolve timelines, or a private LLM fine-tuning box? We spec NVIDIA RTX/ADA GPUs, ECC memory, Gen4 storage, and enterprise thermals so Niagara teams can iterate without waiting on the cloud.
Multi-GPU Experts48h Burn-InOnsite Setup
Walk-ins Welcome. Are you looking for AI Computer Builds & GPU Workstations? You found it! Let's get to work on your device right away—bring it in and our experienced team will start the repair while you wait.
4x RTX
GPU-ready chassis
4090 / 6000 Ada / L40S
2 TB
Gen4 NVMe cache
Scratch + dataset tiers
2.5 kW
Platinum power
Redundant options
48 hr
Burn-in testing
LLM + render workloads
Package tiers
Choose the platform that matches your AI roadmap
Every build includes parts procurement, thermal + acoustic tuning, Windows/Linux imaging, and pickup/delivery within Niagara.
Starter Creator
Single-GPU tower tuned for Stable Diffusion, Resolve, and mixed creative workloads.
- Ryzen 9 or Intel i7 24-core
- RTX 4080 Super / 4090
- 128 GB DDR5, 2 TB Gen4 NVMe
- 850 W Titanium PSU
Best for: Photographers, video editors, indie AI artists
Fusion Studio
Dual-GPU workstation for simultaneous training + rendering with whisper quiet acoustics.
- Threadripper PRO / Intel Xeon
- 2 × RTX 4090 or 6000 Ada
- 256-384 GB ECC DDR5
- 4 TB NVMe scratch + 8 TB project RAID
Best for: Agencies training LoRAs, Unreal/Omniverse creators, research labs
Niagara Compute Rack
4-GPU 4U server with IPMI, redundant PSUs, and hot-swap NVMe for 24/7 inference or fine-tuning.
- Dual Intel Xeon or EPYC 9004
- Up to 4 × L40S / H100 PCIe
- 512 GB+ ECC RAM
- 1/10/25 GbE networking
Best for: MSPs, automation teams, AI SaaS workloads
LLM & agent workloads
Fine-tune open LLMs, run vector DBs, orchestrate LangChain/AutoGen stacks, and benchmark token throughput before handoff to your developers.
Generative visuals & audio
Stable Diffusion, Runway, Topaz, DaVinci Resolve, Unreal Engine, and Blender tuned with optimized VRAM allocation + fast scratch disks.
Robotics & automation
Ubuntu/ROS dual-boot images, real-time IO, CAN bus, PLC integration, and sensor capture so Niagara manufacturers can test automation locally.
Security & monitoring
Thermal modeling, redundant power, UPS sizing, Grafana dashboards, and remote management so you can host models onsite confidently.
What do people build these systems for?
Niagara clients use our AI builds for Stable Diffusion marketing assets, Whisper/Athena captioning, deepfake forensics, PLC + robot vision, chatbot pilots, and internal LLM sandboxes without shipping data to the cloud.
Stable Diffusion XL
Runway / Topaz
LangChain
ROS + Isaac
Resolve Studio
Voice AI
What’s included
- Thermal modeling + fan curves for Niagara summers
- BIOS/firmware tuning, RAM/XMP/VDD adjustments
- Windows 11 Pro + Ubuntu dual-boot images
- 48-hour render/LLM burn-in with logs
- Onsite delivery, cabling, and monitoring walk-through
Ready to scope your build?
Tell us the AI workloads, we’ll design the rig
Call with your software stack, dataset sizes, and preferred GPUs or stop by our Niagara Street bench with your workload notes. We'll scope specifications, timelines, and onsite setup requirements during the conversation so you leave with a clear build plan.