Adamant Custom

Adamant Custom 12-Core Workstation Computer PC AMD Ryzen 9 9900X3D 4.4GHz X870 Eagle 128GB DDR5 RAM 2TB NVMe GEN4 SSD 850W WIFI7 Radeon Pro W7800 32GB

Name: Adamant Custom 12-Core Workstation Computer PC AMD Ryzen 9 9900X3D 4.4GHz X870 Eagle 128GB DDR5 RAM 2TB NVMe GEN4 SSD 850W WIFI7 Radeon Pro W7800 32GB
Brand: Adamant Custom
SKU: B0G2R9GZBD

Bottom line: The Adamant Custom 12-Core Workstation Computer PC AMD Ryzen 9 9900X3D 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 12-Core AMD Ryzen 9 9900X3D 4.4GHz ; 240mm 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

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: P20 Mid-Tower Tempered Glass E-ATX System Fan: Front 3 x 120mm Front Ports: 2 x USB 3.0, 1 x USB 3.2 Gen 2 Type-C, 2 x Audio Bays: Internal 2 x 3.5"/2.5", 2 x 2.5" Dimensions (DxWxH) : 469 x 220 x 490 mm Power Supply: Smart 850W 80 PLUS Bronze Motherboard: X870 EAGLE Series Memory: 128GB DDR5 High Performance…

SpecPicks Verdict

SpecPicks scored Adamant Custom 12-Core Workstation Computer PC AMD Ryzen 9 9900X3D… 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 EAGLE Series ; RAM 128GB DDR5 High Performance Memory
STORAGE M.2 SSD 2TB NVMe 990 EVO PCIe GEN4
GPU AMD Radeon Pro W7800 32GB 4xDP ; PSU Smart 850W 80 PLUS Bronze
OS Windows 11 Pro 64-bit ; Wi-Fi 7 (802.11be) ; Bluetooth v5.4

Full Specifications

ASIN	B0G2R9GZBD
Brand	Adamant Custom
RAM Type	DDR5 RAM
CPU Model	Ryzen 9
CPU Speed	4.4 GHz
Cache Size	64 MB
Model Name	F1018886
Model Year	2026
Item Weight	30 Pounds
Manufacturer	adamant technical services inc
Model Number	F1018886
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	AMD
CPU Model Number	100-000001368

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the AMD Ryzen 9 9900X3D — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Ready to buy?

Adamant Custom 12-Core Workstation Computer PC AMD Ryzen 9 9900X3D 4.4GHz X870 Eagle 128GB DDR5 RAM 2TB NVMe GEN4 SSD 850W WIFI7 Radeon Pro W7800 32GB 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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