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Black Corsair 4000D tower with tempered glass side panel, liquid cooling radiator visible, RTX PRO 5000 graphics card installed

Adamant Custom

Adamant Custom 20-Core Intel Core Ultra 7 265K 64GB 4TB NVMe 10TB HDD RTX PRO 5000 Business Desktop

SKU CH-YQTK-59C03

A 20-core Intel Core Ultra 7 265K business desktop with 64GB DDR5, 4TB NVMe, 10TB HDD and RTX PRO 5000 48GB graphics for AI and CAD workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsNvidia RTX PRO 5000 Blackwell
  • CPU modelIntel Core Ultra 7 265K
  • 20-core Intel Core Ultra 7 265K delivers high multi-threaded performance for demanding workloads
  • Nvidia RTX PRO 5000 Blackwell with 48GB VRAM accelerates professional graphics and AI tasks
  • 64GB DDR5 memory and 4TB NVMe SSD provide fast capacity for large datasets
  • 10TB HDD adds extensive secondary storage for project archives and backups
  • Liquid cooling and 850W 80 PLUS Bronze PSU sustain stable operation under heavy loads

Business Desktop for CAD and AI

This new business desktop pairs a 20-core Intel Core Ultra 7 265K with 64GB DDR5 and an Nvidia RTX PRO 5000 Blackwell GPU carrying 48GB of VRAM. The system ships with Windows 11 Pro and liquid cooling in a Corsair 4000D case. It targets engineers and creators who need certified drivers for SolidWorks and local AI inference.

Suits single-threaded simulation and VR review

Buyers who rely on multi-GPU rendering or need ECC system memory should look elsewhere. The motherboard provides four M.2 slots but only one PCIe x16 slot, so a second graphics card cannot be added. Workloads demanding more than 64GB of system RAM will require a memory upgrade before deployment.

GPU with 48GB VRAM decides fit

The RTX PRO 5000 Blackwell delivers 48GB of video memory, which determines whether large assemblies and batch inference fit in frame buffer. The 4TB NVMe SSD and 10TB HDD provide local dataset storage, while the Z890 board supports up to 192GB DDR5 if the project grows.

How it compares

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

Price $9,841.99
Pricier than about 75% of the 2,161 comparable items (median $5,687.99).
RAM capacity 64 GB DDR5
Typical for this category: the median of 2,095 items is 64 GB.
SSD storage 4 TB NVMe
Higher than about 70% of the 2,058 comparable items (median 2 TB).

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 1851
Memory
RAM capacity64 GB DDR5
Max supported RAM192 GB
Storage
SSD storage4 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsNvidia RTX PRO 5000 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 do I decide between the 4TB NVMe SSD and the 10TB HDD for my primary workload?

Use the 4TB Samsung 990 PRO NVMe drive for the operating system, active projects and applications — its sequential reads reach 7450 MB/s and writes 6900 MB/s. Reserve the 10TB HDD with 256MB cache for bulk archives, media libraries and backups where capacity matters more than speed.

What does the 20-core Intel Core Ultra 7 265K at 3.9 GHz actually deliver inside this chassis?

The processor runs at a 3.9 GHz base with a 5.50 GHz maximum turbo across 20 cores and 20 threads, backed by 30 MB L3 cache and a 240 mm liquid cooler. In this configuration it drives the RTX PRO 5000 Blackwell 48GB GPU over a PCI Express x16 link for CAD, simulation and AI workloads.

Which interface caps the 4TB NVMe drive and what throughput can I expect?

The Samsung 990 PRO connects via PCIe 4.0 x4 through an M.2 slot on the Z890 motherboard. That interface limits sequential performance to the drive’s rated 7450 MB/s read and 6900 MB/s write, which you will see in large-file transfers and application loading.

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