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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

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity192 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 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.

How it compares

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

Price $9,335.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 192 GB DDR5
Higher than about 95% of the 24,338 comparable items (median 32 GB).
SSD storage 1 TB NVMe
Lower than about 70% 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 capacity192 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage1 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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

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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