Adamant Custom

Adamant Custom 24-Core Workstation Computer PC Intel Core Ultra 9 285K 3.7GHz Z890 Prime 128GB DDR5 1TB NVMe PCIe 4.0 SSD 10TB HDD 850W WIFI7 Radeon Pro W7900 48GB

Name: Adamant Custom 24-Core Workstation Computer PC Intel Core Ultra 9 285K 3.7GHz Z890 Prime 128GB DDR5 1TB NVMe PCIe 4.0 SSD 10TB HDD 850W WIFI7 Radeon
Brand: Adamant Custom
SKU: B0FZ7GWXQW

Bottom line: The Adamant Custom 24-Core Workstation Computer PC Intel Core Ultra 9 is a specs-and-price decision rather than a crowd-consensus one in the workstations & creator desktops category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ CPU 24-Core Intel Core Ultra 9 285K 3.7GHz ; 360mm AIO Liquid Cooler

Cons

✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

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 128GB DDR5 High Performance Memory STORAGE M.2 SSD 1TB NVMe 990 EVO PCI Express 4.0x4 + 10TB HDD GPU AMD Radeon Pro W7900 48GB 4xDP ; PSU Smart 850W 80 PLUS Bronze 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 Workstation Computer PC Intel Core Ultra 9… 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.

Video review

Adamant Custom 24-Core Workstation PC Intel Core Ultra 9 285K Honest Review 2026 - Worth Buying? — PixelLogic on YouTube

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 128GB DDR5 High Performance Memory
STORAGE M.2 SSD 1TB NVMe 990 EVO PCI Express 4.0x4 + 10TB HDD
GPU AMD Radeon Pro W7900 48GB 4xDP ; PSU Smart 850W 80 PLUS Bronze
OS Windows 11 Pro 64-bit ; Wi-Fi 7 2x2 (802.11be) ; Bluetooth v5.4

Full Specifications

UPC	609921997361
ASIN	B0FZ7GWXQW
Brand	Adamant Custom
RAM Type	DDR5 RAM
CPU Model	Core i9
CPU Speed	3.7 GHz
Cache Size	36 MB
Model Name	F1002546
Model Year	2026
Item Weight	30 Pounds
Manufacturer	adamant technical services inc
Model Number	F1002546
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	AMD

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the Intel Core Ultra 9 285K — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Related benchmarks: AMD Radeon Pro W7900 48GB benchmarks

Which local LLMs fit in 48 GB?

48 GB holds a 70B model at Q4 entirely in VRAM, which is the point at which nothing mainstream needs CPU offload.

✅ 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) — fits at Q4

Across 10 community runs from 6 sources, the AMD Radeon Pro W7900 48GB generates a median 108 tok/s on 7–9B models at Q4 (per llm-tracker.info (lhl) — vLLM benchmark_serving.py).

Per-model VRAM guide: which GPU for which LLM →

Ready to buy?

Adamant Custom 24-Core Workstation Computer PC Intel Core Ultra 9 285K 3.7GHz Z890 Prime 128GB DDR5 1TB NVMe PCIe 4.0 SSD 10TB HDD 850W WIFI7 Radeon Pro W7900 48GB is tracked through eBay listings. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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