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Black mid-tower with tempered glass side panel, visible 360mm liquid cooler and RTX 5090 graphics card

Adamant Custom

Adamant Custom 24-Core Core Ultra 9 285K 192GB DDR5 RTX 5090 32GB 1TB NVMe gaming PC

SKU CH-J4AG-C7FKJ

High-performance desktop with 24-core Intel Core Ultra 9 285K, 192GB DDR5, RTX 5090 32GB GPU and 1TB NVMe SSD for gaming and AI workloads

  • Release Year2026
  • Form FactorTower
  • AI FeaturesAI Ready
  • ColorBlack
  • Cooling SystemLiquid Cooling
  • Operating SystemWindows 11 Pro
  • 24-core Intel Core Ultra 9 285K powers heavy rendering and AI workloads
  • 192GB DDR5 memory handles large datasets and multitasking without bottlenecks
  • RTX 5090 32GB GPU accelerates 3D modelling and creative applications
  • 1TB Samsung 990 PRO NVMe SSD delivers up to 7450 MB/s read speeds
  • 360mm liquid cooler keeps the CPU quiet under sustained loads

Adamant Custom 24-Core Workstation PC

The Adamant Custom tower arrives as a 2026 gaming desktop PC built around a 24-core Intel Core Ultra 9 285K processor and 192GB DDR5 memory. A 1TB NVMe SSD and liquid cooling complete the core platform. Windows 11 Pro is installed and ready for AI workloads.

Creators needing maximum local compute.

This system suits creators running rendering, modelling or AI learning tasks that demand 192GB DDR5 and an RTX 5090 32GB GPU. The full-size Corsair 4000D chassis and 360mm AIO require ample desk space, so builders planning a small-form-factor rig should look elsewhere.

192GB DDR5 at 4 total slots fills the motherboard

The Z890 UD board supports a maximum of 192 GB across four slots, and this unit populates every slot. No further memory upgrades are possible without replacing modules, so buyers anticipating future expansion beyond 192GB must choose a different platform.

Highlights

  • 24-core Intel Core Ultra 9 285K powers heavy rendering and AI workloads
  • 192GB DDR5 memory handles large datasets and multitasking without bottlenecks
  • RTX 5090 32GB GPU accelerates 3D modelling and creative applications
  • 1TB Samsung 990 PRO NVMe SSD delivers up to 7450 MB/s read speeds
  • 360mm liquid cooler keeps the CPU quiet under sustained loads

Specifications

Release Year2026
Form FactorTower
AI FeaturesAI Ready
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core Ultra 9 (Series 2)
CPU NameIntel Core Ultra 9 285K
CPU Socket TypeLGA 1851
GPU/VGA TypeGeForce RTX 5090
Memory Capacity192GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD1TB NVMe
HDDNo
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
Audio Channels7.1 channels
LAN ChipsetIntegrated
LAN Speed2.5Gbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.4
RJ451 port

Questions about this item

Does the 1200W 80 PLUS Gold PSU have the PCIe 5.0 12VHPWR connector the RTX 5090 32GB requires?

The Thermaltake Toughpower 1200W 80 PLUS Gold unit supplies the 12VHPWR cable needed for the RTX 5090 32GB, so no extra adapter is required.

Will my existing SATA SSDs and 3.5" hard drives fit inside the Corsair 4000D case alongside the 1TB Samsung 990 PRO?

The case provides two 3.5" bays and two 2.5" bays plus four SATA 6Gb/s ports on the Z890 UD motherboard, so older drives install directly.

How do I confirm the 192GB DDR5 kit is running at its rated speed after first boot?

Open Task Manager or CPU-Z and verify the memory frequency shown matches the DDR5 speed printed on the module labels.

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