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Black Corsair 4000D mid-tower with tempered glass side panel and 240 mm liquid cooler visible inside

Adamant Custom

Adamant Custom 8-Core Ryzen 7 9800X3D RTX 5090 64GB DDR5 1TB NVMe 10TB HDD Gaming PC

SKU CH-E49N-B81AD

A liquid-cooled desktop with an 8-core Ryzen 7 CPU, RTX 5090 graphics, 64GB DDR5 memory, 1TB NVMe SSD and 10TB HDD for modelling, rendering and AI workloads

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 7 9800 × 3D
  • 8-core Ryzen 7 9800X3D reaches 5.20 GHz for responsive modelling and rendering
  • RTX 5090 with 32 GB video memory accelerates AI learning and 4K gaming
  • 64 GB DDR5 and 1 TB NVMe SSD give fast multi-task load times
  • 10 TB HDD plus four M.2 slots provide room for large project libraries
  • 5 Gb LAN and Wi-Fi 7 keep network transfers quick during collaborative work

Built for modelling and AI workloads

This desktop pairs an 8-core AMD Ryzen 7 9800X3D with an Nvidia GeForce RTX 5090 32GB GPU, 64GB DDR5 memory and a 1TB Samsung 990 PRO NVMe drive. A 10TB HDD adds bulk storage for datasets and media. The system ships with Windows 11 Pro and is aimed at professionals who need high single-thread speed and large VRAM for rendering, simulation or AI learning tasks.

Liquid cooling keeps CPU temperatures low

A 240mm quiet-edition AIO handles the processor while a 140mm PSU fan runs at low noise. The Thermaltake 1200W 80 PLUS Gold unit delivers stable power with over-voltage, under-voltage, over-power and short-circuit protection. In typical workflows the chassis remains quiet enough for office or studio environments.

Sustained loads stay controlled

Under continuous rendering or training the liquid loop maintains steady CPU clocks up to 5.20 GHz without thermal throttling. The GPU’s 32GB frame buffer prevents memory swapping during long sessions. Motherboard VRM cooling and case airflow support extended high-utilisation periods without performance drops.

How it compares

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

Price $7,751.99
Pricier than about 91% 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 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 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 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

How is the 240 mm liquid cooler mounted to the AM5 socket, and which step is often missed?

The cooler uses the standard AM5 retention frame; the step people skip is removing the plastic cover from the cold-plate before securing the four spring-screws in a diagonal pattern.

What maintenance will the 240 mm AIO and 1200 W Gold PSU need over time?

The AIO is a sealed unit with no user-serviceable fluid; dust the radiator fins and 140 mm fan every 6–12 months. The PSU fan intake should receive the same cleaning interval.

Which limit appears first during extended heavy loads on the Ryzen 7 9800X3D and RTX 5090?

The CPU reaches its thermal ceiling before the 240 mm AIO can dissipate the full package power, causing clock throttling under sustained all-core workloads.

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