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Black mid-tower desktop case with liquid cooling visible inside

Adamant Custom

Adamant Custom 20-Core Core Ultra 7 265K 3.9GHz 192GB 1TB NVMe 10TB RTX PRO 4000 Blackwell business desktop

SKU CH-JAJ3-BD381

A 20-core Intel Core Ultra 7 workstation with 192GB DDR5, 1TB NVMe, 10TB HDD and an Nvidia RTX PRO 4000 Blackwell GPU

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7
  • RAM capacity192 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsNvidia RTX PRO 4000 Blackwell
  • CPU modelIntel Core Ultra 7 265K
  • 20-core Intel Core Ultra 7 265K drives heavy multi-threaded workloads
  • 192GB DDR5 memory keeps large assemblies and datasets in RAM
  • 1TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads for fast project loads
  • Nvidia RTX PRO 4000 Blackwell 24GB GPU accelerates CAD rendering and AI tasks
  • 10TB HDD with 256MB cache provides high-capacity local storage

Target workstation

This business desktop pairs a 20-core Intel Core Ultra 7 265K processor with an Nvidia RTX PRO 4000 Blackwell GPU and 192GB of DDR5 memory. It is built for engineers and designers who run SolidWorks, large assemblies or local AI inference and need a single, supported platform. Buyers who want more storage bays or a second graphics card should look elsewhere.

Sustained load behaviour

A 240mm liquid cooler handles the CPU while the Antec P10 FLUX case moves air through three front 120mm fans, a PSU-shroud fan and a rear 120mm fan. The Thermaltake Smart 850W Bronze PSU delivers stable power with over-voltage, under-voltage, over-power and short-circuit protection. Sound-dampening panels keep acoustic output low during long renders or simulations.

Installation notes

The system arrives assembled with Windows 11 Pro 64-bit installed and validated. Internal expansion uses four M.2 slots and four SATA 6Gb/s ports on the Z890-PLUS TUF motherboard. Front-panel I/O includes two USB 3.0 ports and HD audio; rear I/O adds Thunderbolt 4 Type-C, USB 20Gbps Type-C, three USB 10Gbps and three USB 5Gbps ports. Wi-Fi 7 and Bluetooth 5.4 are integrated.

How it compares

Measured against everything we stock in Business & Office Desktops, at today’s prices. Recalculated every night.

Price $7,192.99
Pricier than about 60% of the 2,161 comparable items (median $5,687.99).
RAM capacity 192 GB DDR5
Higher than about 80% of the 2,095 comparable items (median 64 GB).
SSD storage 1 TB NVMe
Lower than about 60% of the 2,058 comparable items (median 2 TB).

Specifications

Product
Year of release2026
Product typeBusiness Desktops & Workstations
Recommended useWorkstation
Product colorBlack
Processor
ProcessorIntel Core Ultra 7
CPU modelIntel Core Ultra 7 265K
CPU socketLGA 1851
Memory
RAM capacity192 GB DDR5
Max supported RAM192 GB
Storage
SSD storage1 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsNvidia RTX PRO 4000 Blackwell
GPU interfacePCI Express x16
VR readyYes
Audio & video
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 7
Network speed2.5 Gbit/s
Wired network2.5G Ethernet
Ethernet controllerIntegrated
Wi-Fi802.11be Wireless LAN
Bluetooth support5.4
Ports & slots
Ethernet port1 port
Size & build
Form factorDesktop
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro 64-bit
More details
Cooling methodLiquid Cooling
AI capabilityAI Ready

Questions about this item

How loud and hot does the 240mm AIO liquid cooler and the 850W Bronze PSU run during all-day workloads?

The 240mm Quiet Edition AIO and 140mm PSU fan are designed for low noise, while the case includes sound-dampening panels and three 120mm front fans plus a rear 120mm fan to move heat out steadily during extended sessions.

Which display cables and monitor inputs do I need to use the RTX PRO 4000 Blackwell 24GB GPU?

The card connects via PCI Express x16 and drives displays through its own DisplayPort and HDMI outputs; you must provide a monitor with matching inputs and the appropriate cables, as no display or cables are included.

Will my existing 3.5in SATA drives and USB 2.0 peripherals work with the Z890 motherboard?

Yes, the board provides four SATA 6Gb/s ports for 3.5in drives, two internal USB 2.0 headers and three rear USB 5Gbps Type-A ports that remain backward-compatible with USB 2.0 devices.

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