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

Adamant Custom

Adamant Custom Intel Core Ultra 9 285K 64GB DDR5 4TB NVMe 10TB HDD RTX 5090 Gaming PC

SKU CH-JQKG-73YYZ

A 24-core Intel Core Ultra 9 285K workstation with 64GB DDR5, 4TB NVMe, 10TB HDD and an RTX 5090 32GB GPU for rendering, AI learning and high-end gaming

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K drives heavy multitasking and AI workloads
  • 64 GB DDR5 memory handles large datasets and simultaneous apps
  • 4 TB NVMe SSD plus 10 TB HDD stores projects and media
  • Nvidia GeForce RTX 5090 32 GB GPU accelerates rendering and AI training
  • 360 mm liquid cooler keeps temperatures low under sustained load

Custom 24-Core Workstation for AI and Rendering

This Adamant Custom desktop pairs an Intel Core Ultra 9 285K with an Nvidia GeForce RTX 5090 32GB GPU. It ships with 64GB DDR5 memory, a 4TB NVMe SSD and a 10TB HDD. The system targets professionals who need high compute throughput for rendering, modelling and AI learning workloads.

Suits GPU-heavy pipelines.

The single RTX 5090 delivers 32GB VRAM for large model inference and 3D scenes. Buyers who need a second card for parallel workloads or more than 32GB VRAM per GPU should look at a different platform. The mid-tower chassis and 1200W PSU support this configuration only.

24-core CPU with 5.70 GHz boost drives

The Intel Core Ultra 9 285K reaches 5.70 GHz max turbo across its 24 cores. That peak frequency decides how fast the system finishes serial compile, simulation or CAD steps before the GPU takes over.

How it compares

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

Price $7,339.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 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 capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage4 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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Will the 1200W PSU and 360mm liquid cooler handle the RTX 5090 and Core Ultra 9 285K together?

The system ships with a Thermaltake Toughpower 1200W 80 PLUS Gold unit and a 360mm Quiet Edition AIO cooler, both chosen for the 24-core CPU and 32GB GPU.

Can the Z890 motherboard still run my older SATA SSDs and USB 2.0 peripherals?

Yes, the board provides four SATA 6Gb/s ports and four USB 2.0 rear ports plus four more via mid-board headers.

How do I verify the Samsung 990 PRO is delivering its rated 7450 MB/s read speed?

Run CrystalDiskMark or a similar NVMe benchmark; sequential read should approach 7450 MB/s and write near 6900 MB/s on the PCIe 4.0 x4 link.

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