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Black mid-tower gaming desktop with tempered glass side panel and liquid cooling visible

Adamant Custom

Adamant Custom 24-Core Liquid Cooled Intel Core Ultra 9 285K 32GB DDR5 4TB NVMe RTX 5090 Gaming PC

SKU CH-VQXP-EP04R

A liquid-cooled gaming desktop with a 24-core Intel Core Ultra 9 285K, 32 GB DDR5, 4 TB NVMe storage and an RTX 5090 GPU

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity32 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy compute workloads
  • 360 mm liquid cooler keeps the CPU quiet under sustained load
  • 32 GB DDR5 memory handles multitasking and large datasets with room to expand to 192 GB
  • 4 TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads for instant project access
  • GeForce RTX 5090 32 GB GPU powers 4K gaming and AI-accelerated creative tasks

24-Core Liquid-Cooled Workstation

The Adamant Custom desktop pairs a 24-core Intel Core Ultra 9 285K processor with a GeForce RTX 5090 graphics card. Thirty-two gigabytes of DDR5 memory and a four-terabyte NVMe SSD provide capacity for media production and high-refresh gaming. A 360 mm liquid cooler handles the CPU thermal load inside a mid-tower chassis.

Sustained Load Behaviour

The 1200-watt 80 PLUS Gold power supply delivers stable current during extended render or compute sessions. The Z890 motherboard supports memory expansion up to 192 gigabytes across four slots. PCIe 4.0 storage reads reach 7450 megabytes per second and writes reach 6900 megabytes per second without throttling.

Thermals Noise and Power

The 360 mm quiet-edition AIO and a 140-millimetre PSU fan keep acoustic output low under typical workloads. Liquid cooling maintains the 24-core processor near its 3.7 gigahertz base clock during long runs. The Gold-rated supply minimises waste heat while powering the RTX 5090 and supporting components.

How it compares

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

Price $6,684.99
Pricier than about 90% of the 24,925 comparable items (median $2,694.99).
RAM capacity 32 GB DDR5
Typical for this category: the median of 24,338 items is 32 GB.
SSD storage 4 TB NVMe
Higher than about 70% of the 24,468 comparable items (median 2 TB).

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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 capacity32 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage4 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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

How loud and hot does the 360 mm liquid cooler and 1200 W 80 PLUS Gold PSU run during all-day loads?

The 360 mm Quiet Edition AIO is designed for low-noise CPU cooling, while the Thermaltake Toughpower 1200 W 80 PLUS Gold unit uses a 140 mm ultra-quiet fan and Japanese capacitors to keep heat and sound down under sustained draw.

Which display cables and monitor inputs do I need to use the RTX 5090 32 GB?

The RTX 5090 provides modern display outputs; you will need a monitor with compatible HDMI or DisplayPort inputs and the matching cables, which are not included with the system.

Will my existing SATA SSDs and 2.5-inch drives fit inside the Corsair 4000D case alongside the 4 TB Samsung 990 PRO?

Yes — the case offers two internal 3.5-inch bays and two 2.5-inch bays, and the motherboard provides four SATA 6 Gb/s ports with RAID support for additional drives.

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