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Black mid-tower with tempered glass side panel, ARGB lighting visible inside

Adamant Custom

Adamant Custom Ultra 9 285K RTX 5090 128GB DDR5 8TB NVMe 10TB HDD gaming PC

SKU CH-EEY1-6A1CB

A 24-core Intel Core Ultra 9 285K workstation with 128GB DDR5, 8TB NVMe, 10TB HDD and an RTX 5090 32GB GPU for rendering, modelling and AI learning

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity128 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K drives heavy multi-thread workloads
  • RTX 5090 32GB GPU accelerates rendering and AI training
  • 128GB DDR5 memory handles large datasets and multitasking
  • 8TB NVMe plus 10TB HDD gives fast capacity for projects
  • 360mm liquid cooler keeps sustained performance quiet

24-Core Intel Ultra 9 Workstation

This Adamant Custom tower pairs a 24-core Intel Core Ultra 9 285K processor with 128GB of DDR5 memory and an Nvidia GeForce RTX 5090 graphics card. It targets professionals who need heavy multi-threaded compute for rendering, modelling or AI learning workloads. Windows 11 Pro is installed and the system is described as AI ready.

Check Motherboard And Power Compatibility

The CPU uses an LGA 1851 socket on a Z890 chipset motherboard with four DDR5 slots supporting up to 192GB total. Storage includes two M.2 NVMe drives and a 10TB SATA hard drive requiring available bays and cables. A 1200W 80 PLUS Gold power supply with a 140mm fan is fitted. The 360mm liquid cooler needs clearance inside the 475 x 245 x 463 mm case.

Suits High-End Creative And AI Work

Buyers who need 24 cores, 128GB memory and a 32GB RTX 5090 for local inference or 3D rendering will match this specification. Users who only game or browse the web will not use the compute headroom. Builders who want a smaller chassis or a lower-wattage power supply should look at a different form factor.

How it compares

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

Price $10,057.99
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 8 TB NVMe
Higher than about 99% 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 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 storage8 TB NVMe
Hard drive10 TB
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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Does the system arrive with Windows 11 Pro installed and are the two 4TB Samsung 990 PRO SSDs already configured in the M.2 slots?

Yes, Windows 11 Pro 64-bit is pre-installed. The 8TB NVMe capacity is provided by two 4TB Samsung 990 PRO PCIe 4.0 drives factory-fitted to the motherboard M.2 connectors.

Should I choose the 128GB DDR5 configuration or add more memory later for AI workloads?

The board has four DDR5 slots and supports up to 192GB. The 128GB kit fills all slots, so any future increase means replacing modules rather than adding.

What does the RTX 5090 32GB GPU mean for 4K rendering and large-model inference in this build?

The 32GB frame buffer lets you hold larger textures and model weights on the card itself, reducing system-RAM swapping during 4K video export or AI inference tasks.

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