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Black mid-tower gaming desktop with tempered glass side panel

Adamant Custom

Adamant Custom 24-Core Intel Core Ultra 9 285K RTX 5090 128GB DDR5 2TB NVMe gaming PC

SKU CH-9HRR-X2PGK

A 24-core Intel Core Ultra 9 285K desktop with 128GB DDR5, 2TB NVMe, GeForce RTX 5090 32GB, Wi-Fi 7 and liquid cooling for rendering, modelling and AI workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity128 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K powers heavy rendering and AI workloads
  • RTX 5090 32GB GPU accelerates 3D modelling and creative tasks
  • 128GB DDR5 memory handles large datasets and multitasking smoothly
  • 2TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read and 6900 MB/s write speeds
  • Wi-Fi 7 and 2.5Gbps LAN provide fast, low-latency connectivity

24-core Intel Core Ultra 9 285K workstation

This desktop pairs a 24-core Intel Core Ultra 9 285K processor with 128GB of DDR5 memory and a GeForce RTX 5090 graphics card. It is built for professionals who need heavy multi-threaded compute for rendering, modelling and AI learning workloads. The system ships with Windows 11 Pro and a 2TB NVMe SSD for fast project storage.

360mm liquid cooling and front USB 3.2 Gen 2x2

A 360mm quiet-edition AIO cooler handles the CPU thermal load while the tempered-glass case uses two 140mm PWM fans for airflow. The front panel provides a USB 3.2 Gen 2x2 Type-C port, two USB 3.0 ports and dual audio jacks for everyday peripheral access. Internal bays include two 3.5-inch and two 2.5-inch slots for future storage expansion.

Upgrade from 64GB memory and mid-range GPU systems

Moving from a 64GB DDR5 platform and a lower-tier graphics card to this 128GB configuration with an RTX 5090 32GB GPU unlocks larger scene rendering and faster AI inference. The jump is worth it when project complexity exceeds the VRAM or system memory limits of the previous build.

How it compares

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

Price $8,642.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% of the 24,338 comparable items (median 32 GB).
SSD storage 2 TB NVMe
Typical for this category: the median of 24,468 items is 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 colorBlack
Processor
ProcessorIntel Core Ultra 9 (Series 2)
CPU modelIntel Core Ultra 9 285K
CPU socketLGA 1851
Memory
RAM capacity128 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 TB NVMe
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
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

What USB standard does the rear USB4 Type-C port use, and what throughput does it cap at?

The rear USB4 Type-C port runs at the USB4 specification and is limited to 40 Gbps in practice.

What are the case dimensions and motherboard form factor needed for this build?

The case measures 447 mm deep, 215 mm wide and 469 mm high and fits a micro-ATX Z890 motherboard.

How is the 360 mm liquid cooler mounted, and which step is often missed?

The 360 mm radiator screws to the front of the case with the supplied fans; the step many miss is connecting the pump header to the CPU_FAN socket on the Z890 board.

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