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Black mid-tower desktop with tempered glass side panel

Adamant Custom

Adamant Custom 20-Core Ultra 7 265K 128GB DDR5 4TB NVMe 10TB HDD RTX 5090 Gaming PC

SKU CH-JG40-BF6YM

A liquid-cooled workstation desktop with a 20-core Intel Core Ultra 7 265K processor, 128GB DDR5 memory, 4TB NVMe SSD, 10TB HDD and Nvidia GeForce RTX 5090 32GB graphics, running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7
  • RAM capacity128 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 7 265K
  • 20-core Intel Core Ultra 7 265K drives heavy rendering and AI workloads
  • 128GB DDR5 memory handles massive datasets and multitasking
  • RTX 5090 32GB GPU accelerates 3D modelling and deep learning
  • 4TB NVMe SSD plus 10TB HDD stores projects and assets
  • 240mm liquid cooler keeps temperatures low under sustained load

20-Core Ultra 7 Workstation

This desktop pairs a 20-core Intel Core Ultra 7 265K processor with an Nvidia GeForce RTX 5090 graphics card. It targets professionals who need high multi-threaded compute for rendering, modelling and AI learning workloads alongside gaming capability. The system ships with Windows 11 Pro and a 240 mm liquid cooler for sustained performance.

128GB DDR5 and 14TB Total Storage

Four DDR5 slots hold 128 GB of memory with headroom to 192 GB for larger datasets. A 4 TB Samsung 990 PRO NVMe drive delivers up to 7450 MB/s reads and 6900 MB/s writes for active projects. A 10 TB hard drive with 256 MB cache provides deep capacity for archives and bulk assets.

Z890 Connectivity and Power Limits

The Z890 motherboard supplies Thunderbolt 4, USB 20 Gbps and 10 Gbps ports, plus Wi-Fi 7 and Bluetooth 5.4 wireless. Four M.2 connectors and four SATA 6 Gbps ports set the physical expansion ceiling. A 1000 W 80 PLUS Gold PSU defines the total power envelope for all installed components.

How it compares

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

Price $8,457.99
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 typeBusiness Desktops & Workstations
Recommended useWork / Business
Product colorBlack
Processor
ProcessorIntel Core Ultra 7
CPU modelIntel Core Ultra 7 265K
CPU socketLGA 1700
Memory
RAM capacity128 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 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 TUF motherboard and LGA 1851 socket accept my existing DDR5 memory kit?

The board has four DDR5 slots and supports up to 192 GB, so your current DDR5 modules will work provided they match the platform's speed and voltage requirements.

How can I confirm the RTX 5090 32GB is running at full PCIe 4.0 x4 bandwidth after assembly?

Open GPU-Z or the NVIDIA control panel and verify the link width shows x4 and the memory reads 32 GB; the Samsung 990 PRO SSD also negotiates PCIe 4.0 x4 for reference.

Which items ship inside the Antec P20 case and what must I source separately?

The system arrives fully assembled with the 20-core Ultra 7 265K, 128 GB DDR5, 4 TB 990 PRO SSD, 10 TB HDD, RTX 5090 32 GB, 1000 W Gold PSU, 240 mm AIO, Windows 11 Pro, WiFi7 and Bluetooth5.4; only a display, keyboard and mouse are needed.

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