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Black desktop tower with tempered glass side panel and liquid cooling radiator visible inside

Adamant Custom

Adamant Custom 24-Core Ultra 9 285K Z890 EAGLE 128GB DDR5 2TB NVMe 10TB HDD RTX 5090 Gaming PC

SKU CH-6C7A-E789R

A 24-core Intel Ultra 9 285K desktop with 128GB DDR5, 2TB NVMe SSD, 10TB HDD and an RTX 5090 32GB GPU for rendering, AI workloads and 4K 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 at 3.7 GHz powers heavy rendering and AI workloads
  • 128 GB DDR5 memory handles massive datasets and multitasking with headroom to 192 GB
  • 2 TB Samsung 990 PRO NVMe SSD delivers up to 7450 MB/s read and 6900 MB/s write
  • GeForce RTX 5090 with 32 GB VRAM accelerates 3D modelling, editing and AI learning
  • 10 TB HDD plus 2 TB NVMe gives 12 TB total storage for large project libraries

Core Specification

This Adamant Custom desktop ships with a 24-core Intel Core Ultra 9 285K processor, 128GB of DDR5 memory, a 2TB NVMe SSD, a 10TB hard drive and a GeForce RTX 5090 graphics card with 32GB of video memory. It runs Windows 11 Pro on a Gigabyte Z890 Eagle motherboard and is cooled by a 360mm liquid cooler.

Target Builder

The system suits professionals who need high multi-threaded compute for rendering, modelling or AI workloads and who want a ready-to-run workstation with large local storage. Buyers who need more than 192GB of total memory capacity or who require a different motherboard chipset should look at alternative configurations.

Deciding Factor

The single specification that decides fit is the 24-core Intel Core Ultra 9 285K CPU paired with 128GB of DDR5 and the RTX 5090 32GB GPU, because this combination determines whether the machine can handle your specific rendering, simulation or training tasks.

How it compares

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

Price $8,089.99
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 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 factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What CPU thermal limit appears first during an all-core workload on the 24-core Ultra 9 285K?

The 360 mm liquid cooler keeps the 24-core CPU within its thermal envelope so sustained all-core clocks hold at 3.7 GHz with boost up to 5.70 GHz.

How loud and hot does the system get when the RTX 5090 and 1200 W PSU run continuously?

The 360 mm quiet-edition AIO and 140 mm case fans keep noise low while the 1200 W 80 PLUS Gold PSU delivers stable power to the 32 GB GPU under full load.

Which display cables or adapters must I already own to use the RTX 5090 32 GB?

The RTX 5090 uses standard DisplayPort and HDMI outputs so existing DisplayPort or HDMI cables will connect your monitor immediately.

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