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Black desktop tower with tempered glass side panel and liquid cooling visible inside

Adamant Custom

Adamant Custom 24-Core Intel Core Ultra 9 285K 128GB DDR5 2TB NVMe RTX 5090 Gaming PC

SKU CH-5ZZK-ACDD2

A 24-core Intel Core Ultra 9 285K desktop with 128GB DDR5, 2TB NVMe storage and an RTX 5090 32GB GPU, liquid-cooled in a compact black chassis with Wi-Fi 7 and 2.5Gbps LAN

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity128 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K handles heavy rendering and AI workloads
  • 128GB DDR5 memory supports large datasets and multitasking
  • 2TB NVMe SSD provides fast storage access for projects
  • RTX 5090 32GB GPU accelerates creative and compute tasks
  • 360mm liquid cooling maintains stable temperatures under load

24-Core Intel Core Ultra 9 285K Workstation

This desktop ships with a 24-core Intel Core Ultra 9 285K processor and 128 GB of DDR5 memory. It targets professionals who need sustained multi-threaded throughput for rendering, modelling and AI learning workloads. The liquid-cooled CPU and 1200 W 80 PLUS Gold power supply support continuous high-load operation. Windows 11 Pro is pre-installed and ready for immediate deployment.

128 GB DDR5 with 192 GB Ceiling

Four memory slots are populated to 128 GB, leaving headroom to reach the platform maximum of 192 GB if datasets grow. The 2 TB Samsung 990 PRO NVMe drive delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s for fast project loading. Storage expansion is possible through four M.2 connectors and two 3.5-inch internal bays. The GeForce RTX 5090 adds 32 GB of video memory for GPU-accelerated tasks.

Wi-Fi 7 and USB4 Connectivity

The Gigabyte Z890 Eagle motherboard integrates Wi-Fi 7 (802.11be) and Bluetooth 5.4 for low-latency wireless links. Rear I/O includes one USB4 Type-C port, two USB 3.2 Gen 2 ports and three USB 3.2 Gen 1 ports alongside 2.5 Gbps Ethernet. Front-panel access adds a USB 3.2 Gen 2x2 Type-C connector and two USB 3.0 ports. Realtek 7.1 surround audio completes the I/O package.

How it compares

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

Price $7,656.99
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 2 TB NVMe
Typical for this category: the median of 24,468 items is 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 storage2 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 factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Will the Z890 motherboard and 1200W power supply still drive my existing PCIe add-in cards and SATA drives?

The Gigabyte Z890 Eagle board provides four SATA 6Gb/s ports plus four M.2 connectors, so current SATA SSDs or hard drives connect directly. The Thermaltake 1200W 80 PLUS Gold unit includes the standard PCIe power cables needed for existing expansion cards.

How can I confirm the 128GB DDR5 kit and RTX 5090 32GB GPU are running at their rated speeds after first boot?

Open Task Manager’s Performance tab to verify memory shows 128GB DDR5 and the GPU reports 32GB dedicated video memory. Run the Samsung Magician benchmark to see sequential reads near 7450 MB/s and writes near 6900 MB/s on the 2TB 990 PRO.

What ships inside the case and what must I purchase separately for a complete setup?

The system arrives fully assembled with the Core Ultra 9 285K, 128GB DDR5, 2TB Samsung 990 PRO, RTX 5090 32GB, 360mm liquid cooler, 1200W PSU, Windows 11 Pro, Wi-Fi 7 and Bluetooth5.4. Only a monitor, keyboard and mouse are needed to start working.

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