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

Adamant Custom

Adamant Custom Core Ultra 9 285K RTX 5090 64GB DDR5 4TB NVMe Z890 TUF gaming PC

SKU CH-KAYN-Y034B

A 24-core Intel Core Ultra 9 285K desktop with 64GB DDR5, 4TB NVMe storage and an RTX 5090 32GB GPU for rendering, modelling and AI workloads

  • CPU TypeIntel Core Ultra 9 (Series 2)
  • CPU NameIntel Core Ultra 9 285K
  • CPU Socket TypeLGA 1851
  • GPU/VGA TypeGeForce RTX 5090
  • Memory Capacity64GB DDR5
  • Memory Slots (Available/Total)4 total
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy rendering workloads
  • GeForce RTX 5090 with 32 GB VRAM accelerates AI learning and 3D modelling
  • 64 GB DDR5 memory expandable to 192 GB supports large dataset processing
  • 4 TB Samsung 990 PRO NVMe delivers 7450 MB/s reads for fast asset loading
  • 360 mm liquid cooler and 1200 W 80 PLUS Gold PSU sustain peak performance quietly

24-core workstation for rendering and AI

This desktop pairs a 24-core Intel Core Ultra 9 285K with an Nvidia GeForce RTX 5090 32GB GPU and 64GB of DDR5 memory. It is built for professionals running heavy rendering, modelling and AI learning workloads that demand high single-thread speed and massive parallel throughput. The system ships with Windows 11 Pro on a 4TB NVMe drive.

64GB DDR5 with 192GB ceiling

The board populates two of four slots with 64GB of high-performance DDR5, leaving two slots open for expansion up to the 192GB maximum supported by the Z890 platform. The 4TB Samsung 990 PRO SSD delivers sequential reads up to 7450 MB/sec and writes up to 6900 MB/sec over a PCIe 4.0 x4 link, providing fast scratch space for active projects.

Z890 connectivity and 1200W headroom

Rear I/O includes one Thunderbolt 4 Type-C port, one USB 20Gbps Type-C, three USB 10Gbps and three USB 5Gbps ports alongside 2.5Gbps Ethernet and Wi-Fi 7 2x2 wireless. The Thermaltake Toughpower 1200W 80 PLUS Gold unit powers the 360mm liquid CPU cooler, the RTX 5090 and all drives with overhead for future GPU upgrades within the mid-tower chassis.

Highlights

  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy rendering workloads
  • GeForce RTX 5090 with 32 GB VRAM accelerates AI learning and 3D modelling
  • 64 GB DDR5 memory expandable to 192 GB supports large dataset processing
  • 4 TB Samsung 990 PRO NVMe delivers 7450 MB/s reads for fast asset loading
  • 360 mm liquid cooler and 1200 W 80 PLUS Gold PSU sustain peak performance quietly

Specifications

CPU TypeIntel Core Ultra 9 (Series 2)
CPU NameIntel Core Ultra 9 285K
CPU Socket TypeLGA 1851
GPU/VGA TypeGeForce RTX 5090
Memory Capacity64GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD4TB NVMe
HDDNo
Operating SystemWindows 11 Pro
Form FactorMid Tower
Release Year2026
AI FeaturesAI Ready
ColorBlack
Cooling SystemLiquid Cooling
Windows 11Ready
LAN Speed2.5Gbps
WiFi GenerationWi-Fi 7
LAN ChipsetIntegrated
WLAN802.11be Wireless LAN
BluetoothBluetooth 5.4
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
Audio Channels7.1 channels
RJ451 port

Questions about this item

Can I add more DDR5 memory later to reach the 192GB maximum on this Z890 board?

Yes, the motherboard has four DDR5 slots total and supports up to 192GB, so you can populate the remaining slots with compatible DDR5 modules.

How can I confirm the RTX 5090 and Core Ultra 9 285K are running at their rated speeds after assembly?

Open Task Manager or GPU-Z to verify the GPU shows 32GB VRAM and the CPU hits its 5.70 GHz boost clock under load.

Which accessories are included in the box and what must I supply myself?

The system ships fully assembled with Windows 11 Pro, 64GB DDR5, 4TB Samsung 990 PRO SSD, RTX 5090, 1200W PSU, liquid cooler, Wi-Fi 7 and Bluetooth 5.4; you only need a monitor, keyboard and mouse.

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