Adamant Custom
Adamant Custom 16-Core Liquid Cooled Editing Rendering Modelling AI Learning Workstation Computer PC AMD Ryzen 9 9950X3D 4.3GHz X870 Prime 128GB DDR5 1TB NVMe GEN4 SSD 1200W RTX 5090
Status: Adamant Custom 16-Core Liquid Cooled Editing…: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.
Bottom line: The Adamant Custom Ryzen 9 9950X3D / RTX 5090 prebuilt has GeForce RTX 5090 graphics, 128GB of DDR5 RAM and a 1TB NVMe SSD.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: Sentinel Non-RGB RTX 5090 — $11,149.99 on Amazon as of 2026-10-20 22:14 UTC (price may vary).
Similar: Sentinel RTX 5090 — $10,999.99 on Amazon as of 2026-10-21 16:16 UTC (price may vary).
Similar: Cloud Ninjas AI Workstation Designed for Adobe… — $33,924.20 on Amazon as of 2026-10-20 22:15 UTC (price may vary).
Pros & Cons
Pros
- ✓ Pairs a Ryzen 9 9950X3D processor with GeForce RTX 5090 graphics
- ✓ 1TB NVMe SSD for the OS and game library
- ✓ 128GB of DDR5 RAM leaves headroom for gaming alongside streaming or creative apps
Cons
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
SALES TO CALIFORNIA — Please write to us if ordering from California. Our certified laboratory tests and registers all computers in accordance with the laws of California. WARRANTY: 3 Years Labor and Parts, Quality Control, Lifetime Techsupport All configurations are customizable Case: 4000D Series Tempered Glass Black Front Ports: 1 x USB 3.2 Type-C, 2 x USB 3.2 Gen1 / Audio combo jack Bays: Internal 2 x 3.5'', 2 x 2.5'' Dimensions (DxWxH) : 490 x 239 x 486 mm Power Supply: Toughpower 1200W 80 PLUS Gold Motherboard: X870 PRIME Series Memory: 128GB DDR5 High Performance RAM Processor…
SpecPicks Verdict
SpecPicks scored Adamant Custom 16-Core Liquid Cooled Editing Rendering Modelling AI… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the workstations & creator desktops category. Adamant Custom's workstations & creator desktops lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for workstations & creator desktops of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- For SALES TO CALIFORNIA — please write to us. Our certified laboratory tests and registers all computers in accordance with the laws of California.
- CPU 16-Core AMD Ryzen 9 9950X3D 4.3GHz ; 360mm AIO Liquid Cooler
- MB X870 PRIME Series ; RAM 128GB DDR5 High Performance Memory
- STORAGE M.2 SSD 1TB NVMe 990 EVO PCIe GEN4
- GPU RTX5090 ; PSU Toughpower 1200W 80 PLUS Gold
- OS Windows 11 Pro 64-bit ; Wi-Fi 7 2x2 (802.11be) ; Bluetooth v5.4
Full Specifications
| ASIN | B0FZNLMYXF |
|---|---|
| Brand | Adamant Custom |
| RAM Type | DDR5 RAM |
| CPU Model | Ryzen 9 |
| CPU Speed | 4.3 GHz |
| Cache Size | 128 MB |
| Model Name | F1005218 |
| Model Year | 2025 |
| Item Weight | 30 Pounds |
| Manufacturer | adamant technical services inc |
| Model Number | F1005218 |
| Built-In Media | Water Cooling |
| Cooling Method | Water |
| Item Dimensions | 20 x 10 x 20 inches |
| Power Plug Type | Type A - 2 pin (North American) |
| Processor Brand | AMD |
| Processor Count | 16 |
| Processor Speed | 4.3 GHz |
| Video Processor | NVIDIA |
| CPU Model Number | 100-000000719 |
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 5090 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Related benchmarks: Ryzen 9 9950X3D benchmarks
Which local LLMs fit in 32 GB?
32 GB holds a 30–35B model at Q4 with a long context window; a 70B model runs only with layers resident in system RAM.
- ✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
- ✅ 12–14B models (Qwen 3 14B, Phi-4) — fits at Q4
- ✅ 20–27B models (Gemma 3 27B, Mistral Small) — fits at Q4
- ✅ 30–35B models (Qwen 3 32B, QwQ 32B) — fits at Q4
- ❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+
Across 6 community runs from 4 sources, the NVIDIA GeForce RTX 5090 generates a median 185.9 tok/s on 7–9B models at Q4 (per Hardware Corner).
Ready to buy?
Amazon shows no buyable offer for Adamant Custom 16-Core Liquid Cooled Editing… at the last check. A similar in-stock product is Sentinel Non-RGB RTX 5090. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Workstations & Creator Desktops
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best Budget NVMe SSD for a Big Steam Library: WD Blue SN550 vs SATA
- Intel Arc Pro B70 Linux Gaming Performance 2026
- Windows NT Now Boots on the Nintendo GameCube: What the Homebrew Port Actually Runs
- Running a Local LLM on the Ryzen 7 5800X + RTX 3060 12GB: Ollama Throughput Per Watt
- 'Count Anything' AI Model Does Object Counting — Harder Than It Sounds
- Acti Brings AI Agents Into Your Smartphone Keyboard
- RTX 5090 vs RTX 4090 at 1080p Competitive: Does the New Flagship Help Esports FPS?
- Qwen3.6 the Right Way: Run It Through a Pi Coding Agent
- RTX 3090 vs RTX 4090 for LLM Inference: Same 24GB (2026)
- Google's Tiny Gemma 3 Board: What a $0 SBC Gemma Demo Means for Local AI
- Retro Game Emulator for TV: 2025 Setup & GPU Guide
- Best Gaming Headset for PS5 and PC in 2026
- RTX 5080 vs RX 9070 XT
- ComfyUI on a 12GB RTX 3060: SDXL and Flux Image Gen Benchmarked
- CPU Offload for Local LLMs: Does a Ryzen 7 5800X Help?
- Best GPU for Running Llama 3 8B Locally Under $350 (2026)
- Kimi K3 Scores 57 on Intelligence Index at $0.94/Task
- Mistral Leanstral 1.5: Running the New Open Math Model on a 12GB RTX 3060
- Can a 12GB RTX 3060 Run a 70B LLM? The Offload Reality Check
- Best Streaming Kit for New Creators in 2026
- Vision LLMs Driving Win98 Driver Installs: Inside Our 4-PC Retro Fleet
- Best PC Gaming Peripherals in 2026: 5 Picks for Keyboard, Audio, and Control
- Build a Raspberry Pi Retro Handheld in 2026: Parts and Setup
- Crucial BX500 vs Samsung 870 EVO: Best SATA SSD for Game Loads
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090