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Black mid-tower with tempered glass side panel, liquid cooling visible inside

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5090 192GB DDR5 1TB NVMe 10TB HDD gaming PC

SKU CH-BJ6Q-9SX81

A liquid-cooled workstation desktop with a 12-core Ryzen 9 9900X3D, RTX 5090 32 GB GPU, 192 GB DDR5, 1 TB NVMe SSD and 10 TB HDD

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity192 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • RTX 5090 32 GB GPU powers 4K gaming and AI tasks
  • 192 GB DDR5 memory handles large modelling and rendering projects
  • 1 TB Samsung 990 PRO NVMe plus 10 TB HDD give fast boot and deep storage
  • 240 mm liquid cooler and 1200 W Gold PSU keep thermals stable under load

12-Core Ryzen 9 Workstation

This desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with an Nvidia GeForce RTX 5090 graphics card carrying 32GB of video memory. It ships with 192GB of DDR5 system memory, a 1TB NVMe solid-state drive and a 10TB hard drive. Windows 11 Pro is pre-installed on a liquid-cooled platform built for modelling, editing and AI workloads.

AM5 Motherboard and Power Requirements

The system uses an AM5 socket motherboard with four memory slots fully populated at the 192GB maximum. A 1200W 80 PLUS Gold power supply feeds the components through a single PCI Express x16 graphics interface. Verify that your workspace can accommodate a 490mm deep chassis and that your display connects via the available GPU outputs.

240mm Liquid Cooling Under Load

A 240mm quiet-edition liquid cooler manages the CPU while a 140mm fan handles the power supply. Both are designed for low-noise operation during extended rendering or training sessions. The case provides internal bays for two 3.5-inch and two 2.5-inch drives should additional local storage be required later.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $8,768.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 192 GB DDR5
Higher than about 95% of the 24,338 comparable items (median 32 GB).
SSD storage 1 TB NVMe
Lower than about 70% of the 24,468 comparable items (median 2 TB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Year of release2026
Product typeBusiness Desktops & Workstations
Recommended useWorkstation
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900 × 3D
CPU socketAM5
Memory
RAM capacity192 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage1 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
GPU interfacePCI Express x16
Audio & video
Audio chipIntegrated
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 7
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11be Wireless LAN
Bluetooth support5.4
Ports & slots
Ethernet port1 port
Size & build
Form factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Does the box include the 240 mm liquid cooler and Windows 11 Pro, or must I buy them separately?

The 240 mm Quiet Edition AIO cooler and Windows 11 Pro 64-bit are both installed and included in the system.

Should I choose the 192 GB DDR5 configuration or a smaller kit for modelling and rendering?

The board has four slots filled to the 192 GB maximum, so this capacity is the only one offered and suits heavy modelling and rendering workloads.

What does the 4.4 GHz base clock on the 12-core Ryzen 9 9900X3D mean once the PC is running real tasks?

The processor runs at 4.4 GHz base and can boost to 5.50 GHz across 12 cores and 24 threads with 128 MB L3 cache for sustained multi-threaded performance.

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