Adamant Custom
Adamant Custom 24-Core Editing Rendering Modelling AI Learning Workstation Computer PC Intel Core Ultra 9 285K 3.7GHz Z890 Prime WIFI7 192GB DDR5 2TB NVMe PCIe 4.0 SSD 10TB HDD 1200W Geforce RTX 5090
Status: Adamant Custom 24-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 Core Ultra 9 285K / RTX 5090 prebuilt has GeForce RTX 5090 graphics, 192GB of DDR5 RAM and a 2TB 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 — $10,149.99 on Amazon as of 2026-10-20 16:15 UTC (price may vary).
Similar: Sentinel RTX 5090 — $10,999.99 on Amazon as of 2026-10-20 16:15 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 Core Ultra 9 285K processor with GeForce RTX 5090 graphics
- ✓ 2TB NVMe SSD for the OS and game library
- ✓ 192GB 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
About this item For SALES TO CALIFORNIA — please write to us. Our certified laboratory tests and registers all computers in accordance with the laws of California. CPU 24-Core Intel Core Ultra 9 285K 3.7GHz ; 360mm AIO Liquid Cooler MB Z890 PRIME Series ; RAM 192GB DDR5 High Performance Memory STORAGE M.2 SSD 2TB 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 WARRANTY: 3 Years Labor and Parts, Quality Control, Lifetime Techsupport › See more product details
SpecPicks Verdict
SpecPicks scored Adamant Custom 24-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 24-Core Intel Core Ultra 9 285K 3.7GHz ; 360mm AIO Liquid Cooler
- MB Z890 PRIME Series ; RAM 192GB DDR5 High Performance Memory
- STORAGE M.2 SSD 2TB 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
| UPC | 609921974485 |
|---|---|
| ASIN | B0FZ53PCGT |
| Brand | Adamant Custom |
| RAM Type | DDR5 RAM |
| CPU Model | Core i9 |
| CPU Speed | 3.7 GHz |
| Cache Size | 36 MB |
| Model Name | F1000231 |
| Model Year | 2025 |
| Item Weight | 30 Pounds |
| Manufacturer | adamant technical services inc |
| Model Number | F1000231 |
| 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 | Intel |
| Processor Count | 24 |
| Processor Speed | 3.7 GHz |
| Video Processor | NVIDIA |
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: Intel Core Ultra 9 285K 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 24-Core Editing Rendering… 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 →- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- How to Build a Windows 98 Retro PC in 2026
- 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
More reviews from the SpecPicks archive
Browse all reviews →- Best SATA SSDs Under $100 in 2026: 5 Picks for Boot Drives, Upgrades, and Retro PCs
- Running a 26B LLM Locally With No GPU: The CPU Setup Guide
- 8BitDo Pro 2 vs GameSir G7 SE: Best Controller for PC Emulation in 2026
- AMD Ryzen AI Mini PC vs a DIY RTX 3060 Build for Local LLMs
- Best PCI Serial and IDE Adapters for Retro PCs in 2026
- Shared ChatGPT & Claude Chats Are Spreading Malware — Run a Local LLM on a 12GB GPU Instead
- Best CPU Cooler for the Ryzen 7 5800X: Air vs AIO in 2026
- Best Budget SATA SSD for Gaming in 2026
- ZOTAC RTX 3060 12GB vs Intel Arc B580 12GB for 1440p Gaming in 2026
- Raspberry Pi Locator Website to Shut Down in July 2026
- Imaging Vintage IDE Drives to Preserve 90s Game CDs
- Llama 3.2 3B: Raspberry Pi 4 8GB vs RTX 3060 12GB for Local Inference
- Best GPU for Llama 3.1 8B (2026)
- RX 9070 XT vs RTX 3060 12GB for Local LLMs
- Modern CRT Monitor for Retro Gaming: The 2025 Reality Check
- Best Budget Streaming Gear for Twitch in 2026
- Best 24GB GPU for Local LLM Inference in 2026
- SNES Classic vs Sega Genesis Mini: Best Plug-and-Play Retro Console in 2026
- Best 4K Gaming Monitor Under $400 in 2026: SANSUI vs KOORUI vs Samsung
- Noctua NH-U12S vs ML240L RGB on a Ryzen 7 5800X
- NVK Open-Source Vulkan Driver Gains Experimental DLSS on Linux
- Best Parts for a Local RAG Document-QA Workstation in 2026
- $400 Qwen 3.6-27B Setup: Is the Dual RTX 3060 Claim Real?
- Best Cheap Raspberry Pi Alternatives in 2025
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