Adamant Custom
Adamant Custom 12-Core Editing Rendering Modelling AI Learning Workstation Computer PC AMD Ryzen 9 9900X3D 4.4GHz X870 Prime WIFI7 64GB DDR5 1TB NVMe PCIe 4.0 SSD 10TB HDD 1200W Geforce RTX 5090 32GB
Status: Adamant Custom 12-Core Editing Rendering…: 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 9900X3D / RTX 5090 prebuilt has 32GB of graphics memory, 64GB 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: Cloud Ninjas AI Workstation Designed for Adobe… — $33,924.20 on Amazon as of 2026-10-20 22:15 UTC (price may vary).
Similar: Sentinel Non-RGB RTX 5090 — $10,149.99 on Amazon as of 2026-10-21 16:16 UTC (price may vary).
Similar: Sentinel RTX 5090 — $10,999.99 on Amazon as of 2026-10-21 16:16 UTC (price may vary).
Pros & Cons
Pros
- ✓ Pairs a Ryzen 9 9900X3D processor with GeForce RTX 5090 32GB graphics
- ✓ 1TB NVMe SSD for the OS and game library
- ✓ 64GB 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: HAF 500 Series Tempered Glass Black System Fan: Front 2 x 200mm fan ARGB, Rear 1 x 120mm fan ARGB, 1 x 120mm GPU Fan Front Ports: 2 x USB 3.2 Gen 1 (USB 3.0) / 1 x USB 3.2 Gen2 type C / Audio / Reset/ARGB button Bays: Internal 2 x 3.5”, 2 x 2.5” Dimensions (DxWxH) : 508 x 203 x 508 mm Power Supply: Toughpower…
SpecPicks Verdict
SpecPicks scored Adamant Custom 12-Core Editing Rendering Modelling AI Learning… 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 12-Core AMD Ryzen 9 9900X3D 4.4GHz ; 240mm AIO Liquid Cooler
- MB X870 PRIME Series ; RAM 64GB DDR5 High Performance Memory
- STORAGE M.2 SSD 1TB NVMe 990 EVO PCI Express 4.0x4 + 10TB HDD
- GPU Geforce RTX 5090 32GB ; PSU Toughpower 1200W 80 PLUS Gold
- OS Windows 11 Pro 64-bit ; Wi-Fi 7 2x2 (802.11be) ; Bluetooth v5.4
Full Specifications
| ASIN | B0G2N5KFCW |
|---|---|
| Brand | Adamant Custom |
| RAM Type | DDR5 RAM |
| CPU Model | Ryzen 9 |
| CPU Speed | 4.4 GHz |
| Cache Size | 64 MB |
| Model Name | F1017889 |
| Model Year | 2025 |
| Item Weight | 30 Pounds |
| Manufacturer | adamant technical services inc |
| Model Number | F1017889 |
| 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 | 4.4 GHz |
| Video Processor | NVIDIA |
| CPU Model Number | 100-000001368 |
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: AMD Ryzen 9 9900X3D 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 12-Core Editing Rendering… at the last check. A similar in-stock product is Cloud Ninjas AI Workstation Designed for Adobe…. 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 →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- 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)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Mac Unified Memory for LLMs: What Matters in 2026
- Raspberry Pi 5 8GB Review: Specs, Price & Use Cases (2025)
- 'Count Anything' AI Model Does Object Counting — Harder Than It Sounds
- NVIDIA Nemotron 3 Ultra: What It Takes to Run Locally
- Build a Low-Power Jellyfin Server on a Raspberry Pi 4 8GB in 2026
- Best 1440p 240Hz Gaming Monitors for Competitive FPS in 2026
- Best CPU Cooler for AM4 Ryzen 7 5800X Overclocking Under $100 in 2026
- Intel IPEX-LLM vs Ollama on AMD: AI Rig Guide 2025
- Adding a Manual Shifter to Your Sim Rig: Is the Thrustmaster TH8A Worth It for the G29?
- Ultrawide vs 27-Inch 4K for Sim Racing on a G29 and RTX 3060
- HyperX QuadCast 2 vs Blue Yeti: Best Streaming Mic in 2026
- NVIDIA RTX A6000 48GB Review: The Workstation Card That Still Owns Local 70B Inference (2026)
- GLM-5.2 Is Now the Most Intelligent Open-Weights Model — and the Most Verbose
- Building a 2003-Era LAN Party Rig: Pentium 4, GeForce FX 5900, Audigy 2 ZS
- RTX 3060 12GB vs Arc B580 12GB for Local LLMs in 2026
- Best Controller for Steam Deck Docked Mode in 2026
- Running Local LLMs on a Raspberry Pi 4 8GB: tok/s, Quantization, and What Actually Works
- Microsoft Mirage Adds Persistent Spatial Memory: Can a 12GB GPU Run Local Video Gen?
- Best Budget 4K Gaming Monitor in 2026
- Ryzen 5 5600G APU for Local LLM Inference in 2026: What You Can Actually Run
- Zero-CPU-Overhead OV7725 Camera Streaming on RP2350
- 8BitDo Pro 2 on Win98 SE and WinXP: Mapping a Modern Bluetooth Pad to DOSBox, Glide Games, and…
- Period-Correct Windows 95 Pentium MMX Build Guide: 3dfx Voodoo 1, AWE32, and Authentic 1996 Gaming
- Best Gaming Mouse Pad for FPS Esports (2026)
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