We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black desktop tower with tempered glass side panel and RGB fans

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 64GB 2TB NVMe 10TB RTX PRO 4000 Blackwell business desktop

SKU CH-XYJA-9P9K6

A 12-core Ryzen 9 9900X3D workstation with 64GB DDR5, 2TB NVMe, 10TB HDD and RTX PRO 4000 Blackwell graphics for SolidWorks, CAD and CAE modelling

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsNVIDIA RTX PRO 4000 Blackwell
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy compute
  • 64 GB DDR5 memory handles large assemblies without swapping
  • 2 TB NVMe SSD reads at 7450 MB/s for fast project loads
  • 10 TB HDD adds 256 MB cache for bulk data retention
  • RTX PRO 4000 Blackwell 24 GB GPU accelerates professional rendering

Purpose-built workstation

This desktop targets engineers and designers who need a 12-core AMD Ryzen 9 9900X3D processor, 64GB DDR5 memory, a 2TB NVMe boot drive and a 10TB hard disk for large project libraries. The NVIDIA RTX PRO 4000 Blackwell GPU with 24GB VRAM supports professional CAD, CAM and CAE applications on Windows 11 Pro.

Thermals and acoustics

A 240mm liquid cooler handles the CPU while a 140mm power-supply fan and three 120mm case fans move air through the tempered-glass chassis. The 850W 80 PLUS Bronze unit delivers stable power with over-voltage, under-voltage, over-power and short-circuit protection.

Connectivity and expansion

The motherboard provides two USB4 ports at 40Gbps, three USB 10Gbps ports, four USB 5Gbps ports and one USB 2.0 port at the rear, plus internal headers for additional USB and four M.2 slots. Intel 2.5Gb Ethernet and Wi-Fi 7 2x2 give fast wired and wireless links, while Realtek 7.1 surround audio handles monitoring.

How it compares

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

Price $5,999.99
Typical for this category: the median of 2,161 items is $5,687.99.
RAM capacity 64 GB DDR5
Typical for this category: the median of 2,095 items is 64 GB.
SSD storage 2 TB NVMe
Typical for this category: the median of 2,058 items is 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 capacity64 GB DDR5
Max supported RAM192 GB
Storage
SSD storage2 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 do I install the 240 mm AIO liquid cooler on the AM5 socket, and which mounting step is most often missed?

Fasten the supplied AM5 bracket to the motherboard back-plate, apply thermal paste, seat the cold-plate evenly, then connect the pump header and both 120 mm fan cables to the CPU_FAN and AIO_PUMP headers — skipping the pump-header connection is the step most builders forget.

What maintenance or replacement will the 240 mm AIO liquid cooler and the 850 W 80 PLUS Bronze PSU need later?

The sealed AIO requires no coolant service; only dust the 120 mm radiator fans periodically. The PSU’s 140 mm fan bearings may need cleaning or fan replacement after several years of continuous operation.

What thermal or power limit appears first when the Ryzen 9 9900X3D runs sustained all-core loads at up to 5.50 GHz?

The 240 mm AIO’s heat-dissipation capacity typically reaches saturation before the CPU hits its 128 MB L3 cache thermal ceiling, causing clock speeds to throttle under prolonged 24-thread workloads.

More in Business & Office Desktops

Similar items