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

Adamant Custom

Adamant Custom 24-Core Ultra 9 285K RTX 5090 128GB DDR5 4TB NVMe gaming PC

SKU CH-CDVH-K7TDC

A 24-core Intel Core Ultra 9 285K desktop with 128GB DDR5, 4TB NVMe storage and an RTX 5090 32GB GPU for gaming, rendering and AI workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity128 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 multitasking
  • RTX 5090 with 32 GB VRAM drives 4K rendering and AI workloads
  • 128 GB DDR5 memory expandable to 192 GB for large datasets
  • 4 TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads
  • 360 mm liquid cooler and 1200 W 80 PLUS Gold PSU sustain peak loads

24-Core Ultra 9 Workstation

This system pairs a 24-core Intel Core Ultra 9 285K processor with 128GB of DDR5 memory and an Nvidia GeForce RTX 5090 32GB graphics card. It targets professionals who need high thread counts for rendering, modelling and AI learning workloads alongside strong gaming capability. A 4TB Samsung 990 PRO NVMe drive provides the primary storage. Windows 11 Pro is pre-installed.

Sustained Load Behaviour

A 360mm quiet-edition liquid cooler handles the CPU so clock speeds can remain high during long compiles or training runs. The Thermaltake Toughpower 1200W 80 PLUS Gold power supply delivers stable current to both the processor and the 32GB GPU under continuous demand. The Gigabyte Z890M AORUS motherboard supports Wi-Fi 7 and 2.5Gbps wired networking for uninterrupted data transfer.

Upgrade Context

The configuration replaces an older workstation that lacked 128GB of DDR5 memory, a 4TB PCIe 4.0 NVMe boot drive or a 32GB RTX-class GPU. The jump is worthwhile when current projects exceed 64GB of RAM, saturate a smaller SSD or require the larger frame buffer for 3D assets and large language models.

How it compares

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

Price $8,562.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% 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).

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 capacity128 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 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

How much power does the 1200W 80 PLUS Gold PSU draw when the 24-core Ultra 9 285K and RTX 5090 run all day?

The Thermaltake Toughpower 1200W 80 PLUS Gold unit delivers up to 1200 watts with high-efficiency Japanese capacitors and a 140mm ultra-quiet fan, while the 360mm Quiet Edition AIO keeps the 24-core CPU at 3.7GHz base and 5.70 GHz boost under sustained load.

Which display cables must I already own to connect a monitor to the RTX 5090 32GB?

The RTX 5090 32GB provides standard DisplayPort and HDMI outputs, so you need a compatible DisplayPort or HDMI cable matching your monitor's input.

Can I keep my existing SATA SSDs and add them to the three M.2 slots on the Z890M AORUS board?

The motherboard offers four SATA 6Gb/s ports supporting RAID 0, 1, 5, 10 plus three M.2 connectors, so existing SATA drives connect directly while the 4TB Samsung 990 PRO occupies one M.2 slot.

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