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Black Corsair 4000D tempered glass mid-tower with 360 mm liquid cooler and RTX 5090 graphics card

Adamant Custom

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

SKU CH-M9XY-QS03M

A liquid-cooled desktop workstation with a 24-core Intel Core Ultra 9 285K, 128GB DDR5, 2TB NVMe SSD and an Nvidia GeForce RTX 5090 32GB GPU for rendering, AI and high-end gaming

  • 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
  • GeForce RTX 5090 with 32GB VRAM accelerates 3D modelling and real-time ray tracing
  • 128GB DDR5 memory handles large datasets and multitasking without bottlenecks
  • 2TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads for instant project loading
  • 360mm liquid cooler keeps the CPU quiet under sustained full-load operation

24-Core Workstation Desktop

This desktop combines a 24-core Intel Core Ultra 9 285K processor with an Nvidia GeForce RTX 5090 graphics card. It ships with 128GB of DDR5 memory and a 2TB Samsung 990 PRO NVMe SSD. Windows 11 Pro is pre-installed on a liquid-cooled platform built for rendering, modelling and AI learning workloads.

Upgrade From Thread-Limited Systems

The 24-core CPU and 32GB GPU memory remove bottlenecks that stall multi-threaded rendering and large-model training on lesser workstations. A 1200W 80 PLUS Gold power supply and 360mm liquid cooler sustain heavy continuous loads without thermal throttling. The jump is worth it when current hardware cannot hold working sets in memory or saturates available compute threads.

128GB DDR5 With 192GB Ceiling

Four populated slots deliver 128GB of DDR5 today, while the Z890 UD motherboard supports up to 192GB for future expansion. The 2TB PCIe 4.0 NVMe drive reads at 7450 MB/s and writes at 6900 MB/s, feeding data to the 32GB RTX 5090 frame buffer. Storage headroom ends at the two installed M.2 modules unless additional drives are added to the remaining M.2 connectors.

How it compares

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

Price $9,016.99
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 6E
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11ax 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

Will the Corsair 4000D case dimensions of 490 x 239 x 486 mm fit my desk space?

The case measures 490 mm deep, 239 mm wide and 486 mm high, so check your available clearance against those figures before ordering.

What is the main installation step that gets missed with the 360 mm liquid cooler?

Mount the radiator with tubes at the bottom or side, not the top, to prevent air bubbles from reaching the pump and causing noise or premature wear.

When will the 1200 W 80 PLUS Gold PSU need its 140 mm fan replaced?

The fan is rated for long life; expect to clean dust annually and consider replacement only if bearing noise appears after several years of continuous use.

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