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Black mid tower with tempered glass side panel and ARGB lighting

Adamant Custom

Adamant Custom Core Ultra 9 285K RTX 5090 128GB DDR5 4TB NVMe Z890 TUF gaming PC

SKU CH-FSSP-1C7C9

24-core Intel Core Ultra 9 285K desktop with RTX 5090 32GB, 128GB DDR5, 4TB NVMe SSD, liquid cooling, Wi-Fi 7 and Windows 11 Pro

  • 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 powers heavy rendering and AI workloads
  • GeForce RTX 5090 with 32GB VRAM drives high-resolution gaming and creative tasks
  • 128GB DDR5 memory handles large datasets and multitasking smoothly
  • 4TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read speeds
  • 360mm liquid cooler keeps the CPU quiet under sustained load

24-Core Intel Core Ultra 9 Workstation

This desktop combines a 24-core Intel Core Ultra 9 285K processor with an Nvidia GeForce RTX 5090 graphics card for rendering, modelling and AI learning workloads. The system ships with Windows 11 Pro installed and uses a mid-tower chassis with liquid CPU cooling. It is built for professionals who need high multi-threaded compute and GPU acceleration in a single box.

PCIe 4.0 NVMe and DDR5 Platform Limits

The motherboard provides four M.2 connectors wired for PCIe 4.0 x4 NVMe SSDs and four DDR5 slots supporting up to 192 GB total capacity. Rear I/O includes one Thunderbolt 4 Type-C port, one USB 20 Gbps Type-C port, three USB 10 Gbps ports and three USB 5 Gbps ports. Network connectivity uses 2.5 Gbps Ethernet and Wi-Fi 7 wireless. Builders who need more than four NVMe drives or memory beyond 192 GB cannot expand further on this platform.

32 GB RTX 5090 VRAM Decides Fit

The graphics card carries 32 GB of video memory, which sets the maximum model size that fits entirely in GPU memory for local inference and large-scene rendering. If your workflows demand more VRAM than 32 GB, this configuration will not meet that requirement.

How it compares

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

Price $7,848.99
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

Should I choose the 128GB DDR5 configuration or upgrade to the maximum 192GB supported by the Z890 motherboard?

The 128GB DDR5 kit fills all four slots on the Z890 TUF board. Reaching 192GB would require replacing the installed modules with higher-capacity DDR5 DIMMs, so select 128GB now if your current workloads fit, or plan a full memory swap later.

What does the Core Ultra 9 285K’s 5.70 GHz maximum turbo mean for actual rendering and AI workloads?

The 24-core processor can boost up to 5.70 GHz on light threads while the 360 mm liquid cooler sustains high frequencies across all cores during extended 3D rendering, video export or model training sessions.

How fast is the Samsung 990 PRO 4TB drive over its PCIe 4.0 x4 link, and what does that cap in practice?

The M.2 SSD delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s over the PCIe 4.0 x4 interface, so large project files and game assets load at near-peak throughput for the platform.

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