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Black mid-tower gaming PC with tempered glass side panel and liquid cooling

Adamant Custom

Adamant Custom Ryzen 7 9800X3D RTX 5090 64GB 4TB Gaming PC

SKU CH-HJ0W-2VJAX

A high-performance desktop with an 8-core Ryzen 7 9800X3D, RTX 5090 32GB GPU, 64GB DDR5 memory and a 4TB NVMe SSD, liquid-cooled in a mid-tower case

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 7 9800 × 3D
  • 8-core Ryzen 7 9800X3D with 96 MB L3 cache for multi-threaded workloads
  • RTX 5090 32 GB GPU delivers high-frame-rate 4K gaming and AI compute
  • 64 GB DDR5 memory supports large datasets and simultaneous applications
  • 4 TB Samsung 990 PRO NVMe SSD reads up to 7450 MB/s for fast asset loading
  • 240 mm liquid cooler and 1200 W 80 PLUS Gold PSU sustain peak performance under load

Ready-to-run workstation

This Adamant Custom desktop pairs an 8-core AMD Ryzen 7 9800X3D processor with a GeForce RTX 5090 graphics card, 64 GB DDR5 memory and a 4 TB NVMe SSD. Windows 11 Pro is pre-installed on a mid-tower chassis cooled by a 240 mm liquid loop. The system targets professionals who need modelling, rendering or AI learning performance in a single package.

Best fit and limits

Buyers who want a complete, liquid-cooled workstation for modelling, video editing or AI learning will find the CPU, GPU and memory balance suited to those workloads. Builders who need more than 64 GB of memory should look elsewhere, as the board supports up to 192 GB but this unit ships with half that amount. Users requiring additional internal drive bays beyond the two 3.5-inch and two 2.5-inch slots will also need a different chassis.

Deciding specification

The GeForce RTX 5090 with 32 GB of video memory is the single component that determines whether this build matches the workload, because modelling, rendering and AI learning tasks that exceed lesser GPU memory capacities will only run comfortably on this card.

How it compares

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

Price $7,086.99
Pricier than about 90% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).
SSD storage 4 TB NVMe
Higher than about 70% of the 24,468 comparable items (median 2 TB).

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Specifications

Product
Product typeBusiness Desktops & Workstations
Year of release2026
Recommended useBusiness
Product colorBlack
Processor
ProcessorAMD Ryzen 7 9000 Series
CPU modelAMD Ryzen 7 9800 × 3D
CPU socketAM5
Memory
RAM capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage4 TB NVMe
Hard driveNo
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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Will the 240 mm AIO liquid cooler need coolant top-ups or pump replacement?

The 240 mm Quiet Edition AIO is a sealed loop; no coolant top-ups are required. Pump life is typically several years; if flow drops or noise rises, the whole unit is swapped rather than serviced.

What thermal limit will the Ryzen 7 9800X3D hit first during long rendering sessions?

The CPU targets a 5.20 GHz boost ceiling; under sustained all-core load it will throttle to stay within its thermal envelope before the 240 mm AIO reaches saturation.

How loud and hot does the system get when the RTX 5090 and CPU run all day?

The 1200 W 80 PLUS Gold PSU and 140 mm fan keep noise low; liquid cooling moves CPU heat directly to the radiator, while the GPU’s own fans exhaust into the Antec P20’s front-to-rear airflow.

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