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Adamant Custom

Adamant Custom 12-Core Ryzen 9 9900X3D 128GB DDR5 1TB NVMe 10TB HDD RTX PRO 4000 Blackwell business desktop

SKU CH-FZEP-4D7GF

A 12-core Ryzen 9 9900X3D workstation with 128 GB DDR5, 1 TB NVMe, 10 TB HDD and a 24 GB RTX PRO 4000 Blackwell GPU for CAD and simulation

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsNVIDIA RTX PRO 4000 Blackwell
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D delivers 4.4 GHz base speed
  • 128 GB DDR5 memory supports heavy multitasking workloads
  • 1 TB NVMe SSD plus 10 TB HDD provides fast and deep storage
  • RTX PRO 4000 Blackwell 24 GB GPU handles professional visualisation
  • Liquid cooling with 240 mm radiator keeps temperatures low

Built for CAD and CAE workloads

This workstation pairs a 12-core AMD Ryzen 9 9900X3D processor with 128GB of DDR5 memory and an NVIDIA RTX PRO 4000 Blackwell GPU equipped with 24GB of video memory. The configuration targets engineers and designers who run SolidWorks, CAM and CAE simulations daily. Windows 11 Pro 64-bit is installed and the system is described as AI Ready for local inference tasks.

Liquid-cooled chassis with extensive I/O

A 240mm quiet-edition AIO cooler handles the CPU while the Pop Air RGB case adds front and rear 120mm RGB fans behind tempered glass. The TUF X870-PLUS motherboard supplies rear USB4 ports at 40Gbps, multiple 10Gbps and 5Gbps USB ports, 2.5G Ethernet and Wi-Fi 7 connectivity. Internal bays include two 3.5-inch and two 2.5-inch slots; a 1TB Samsung 990 PRO NVMe drive and a 10TB hard drive with 256MB cache are already fitted.

850W Bronze supply powers quiet operation

The Thermaltake Smart 850W 80 PLUS Bronze unit uses a 140mm fan and Japanese main capacitors to deliver stable power with low noise. Protections cover over-voltage, under-voltage, over-power and short-circuit events. Liquid CPU cooling and the case airflow design keep thermals controlled during extended render or simulation runs, while the GPU’s professional drivers optimise power draw for ISV-certified applications.

How it compares

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

Price $7,142.99
Pricier than about 60% 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 1 TB NVMe
Lower than about 60% of the 2,058 comparable items (median 2 TB).

Specifications

Product
Year of release2026
Recommended useWorkstation
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900 × 3D
CPU socketAM5
Memory
RAM capacity128 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

What does the PCI Express x16 interface on the RTX PRO 4000 Blackwell cap in practice?

The RTX PRO 4000 Blackwell connects through a PCI Express x16 slot on the X870-PLUS motherboard, delivering full bandwidth for the 24GB GPU in professional 3D and AI workloads.

What physical clearance does the 240mm liquid cooler need inside the Pop Air RGB case?

The 240mm AIO radiator mounts in the Pop Air RGB case with its 474 x 215 x 454 mm interior, using the included 120 mm front fans for intake and the rear 120 mm fan for exhaust.

How is the 128GB DDR5 memory installed on the TUF X870-PLUS, and what step is often missed?

Populate all four DDR5 slots on the TUF X870-PLUS with the matched 128GB kit, then enable EXPO in the BIOS so the modules run at their rated speed instead of the default JEDEC profile.

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