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Adamant Custom

Adamant Custom Ryzen 9 9900X 128GB 4TB NVMe 10TB HDD RTX PRO 4000 Blackwell business desktop

SKU CH-6P2Y-87HMW

A 12-core AMD Ryzen 9 9900X workstation with 128GB DDR5, 4TB NVMe, 10TB HDD and Nvidia RTX PRO 4000 Blackwell 24GB for CAD modelling and AI learning

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsNvidia RTX PRO 4000 Blackwell
  • CPU modelAMD Ryzen 9 9900X
  • 12-core Ryzen 9 9900X drives heavy multi-threaded workloads
  • 128GB DDR5 handles massive datasets and AI training
  • 4TB NVMe SSD delivers 7450 MB/s read speed
  • 10TB HDD adds deep archival capacity
  • RTX PRO 4000 Blackwell 24GB powers professional graphics

12-core Ryzen 9 workstation for CAD and AI

This business desktop pairs a 12-core AMD Ryzen 9 9900X processor with 128GB of DDR5 memory and an Nvidia RTX PRO 4000 Blackwell graphics card. It targets engineers and researchers who need strong single-thread speed and 24GB of GPU memory for SolidWorks modelling or local AI learning workloads. The system ships with Windows 11 Pro 64-bit and is described as AI Ready. Liquid cooling keeps the CPU quiet under sustained loads.

Check AM5 motherboard clearance

The chassis measures 477 x 220 x 486 mm and uses a 240mm AIO cooler, so verify that your workspace can accommodate a mid-tower of that footprint. The included Thermaltake Smart 850W 80 PLUS Bronze supply delivers 850 watts; confirm that any additional drives or expansion cards you plan to add will stay within that budget. Rear I/O provides 2.5G Ethernet, Wi-Fi 7 and multiple USB 20Gbps and 40Gbps ports, so check cable routing for those connectors.

4TB Samsung 990 PRO plus 10TB HDD and 24GB GPU VRAM

The boot drive is a 4TB Samsung 990 PRO PCIe 4.0x4 NVMe SSD rated for 7450 MB/s read and 6900 MB/s write. A 10TB hard drive with 256MB cache adds bulk storage for project archives. The RTX PRO 4000 Blackwell contributes 24GB of video memory, enabling larger model batches or texture sets without swapping to system RAM. Memory slots support up to 192GB total if future expansion is required.

How it compares

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

Price $7,391.99
Pricier than about 61% of the 2,161 comparable items (median $5,687.99).
RAM capacity 128 GB DDR5
Higher than about 60% of the 2,095 comparable items (median 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 useWorkstation
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900X
CPU socketAM5
Memory
RAM capacity128 GB DDR5
Max supported RAM192 GB
Storage
SSD storage4 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

What comes in the box and what must I buy separately?

The workstation ships with the Antec P10 FLUX case, X870-PLUS TUF motherboard, Ryzen 9 9900X CPU, 240 mm liquid cooler, 128 GB DDR5, 4 TB Samsung 990 PRO NVMe, 10 TB HDD, RTX PRO 4000 Blackwell 24 GB GPU, 850 W PSU, Windows 11 Pro and Wi-Fi 7. A monitor is not included.

Which memory capacity should I choose for this platform?

The board supports up to 192 GB DDR5; the configured 128 GB fills four slots and leaves room for a future 64 GB upgrade if workloads grow.

What does the 4.4 GHz base clock mean in daily CAD work?

The 12-core Ryzen 9 9900X runs at 4.4 GHz base and can boost to 5.20 GHz, keeping all cores fed for large assemblies and AI-assisted rendering.

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