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Custom RTX 5090 AI Workstation (Value Build)
Custom Build · AI Workstation · 2025
Full Specifications
Source url
https://www.nvidia.com/en-us/geforce/graphics-cards/50-series/rtx-5090/
Source name
NVIDIA RTX 5090 Specifications + AMD Ryzen 9 9950X Specifications
Limitation
32GB VRAM limits model size; DIY means no unified warranty
Best for
Budget CUDA development and inference
Verdict
Best value CUDA workstation. RTX 5090 with 32GB VRAM handles 7B-14B models at full speed, 33B with quantization.
Rocm support
No
Configuration verified at
2026-07-23
Noise load dba
Noise idle dba
Network infiniband
Network ethernet
Pcie lane notes
Cpu threads
Chassis model
Release year
2025
Onsite support
No
Warranty years
Varies by component (typically 3yr GPU)
Wsl support
Yes (WSL2 with CUDA)
Metal support
No
Cuda support
Yes
Windows support
Yes
Linux support
Yes
Operating system
Linux (Ubuntu 24.04) / Windows 11
Dimensions
Mid-tower ATX
Cooling type
air (custom AIO optional)
Nvlink support
No (RTX 5090 does not support NVLink)
Power supply watts
1200
Estimated peak power watts
850
Pcie x16 slots
1
Pcie generation
PCIe 5.0
Storage slots
3+ M.2
Storage primary type
NVMe SSD (PCIe 5.0)
Max system memory gb
192
Storage primary gb
2048
System memory type
DDR5-5600
Gpu memory type
GDDR7
Gpu memory bandwidth each gbps
1792
System memory gb
64
Combined memory architecture
dedicated VRAM (GDDR7)
Total gpu vram gb
32
Gpu vram each gb
32
Gpu vendor
NVIDIA
Gpu count
1
Cpu tdp watts
170
Gpu model
NVIDIA GeForce RTX 5090
Cpu cores
16
Cpu vendor
AMD
Form factor
desktop tower
Cpu model
AMD Ryzen 9 9950X
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