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Black mid-tower desktop with tempered glass side panel and RGB fans

Adamant Custom

Adamant Custom Ryzen 9 9900X Liquid Cooled Business Desktop 64GB 1TB NVMe 10TB HDD RTX A400

SKU CH-Z0N2-8YB5D

Liquid-cooled 12-core Ryzen 9 9900X workstation with 64GB DDR5, 1TB NVMe, 10TB HDD and RTX A400 4GB for professional workloads

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelAMD Ryzen 9 9900X
  • 12-core Ryzen 9 9900X reaches 5.20 GHz for heavy workloads
  • 240 mm liquid cooler keeps CPU temperatures low under load
  • 64 GB DDR5 memory handles large datasets and multitasking
  • 1 TB NVMe SSD plus 10 TB HDD gives fast boot and vast storage
  • RTX A400 with four Mini DisplayPort outputs drives multi-monitor setups

12-Core Ryzen 9 9900X Workstation

This liquid-cooled business desktop pairs a 12-core AMD Ryzen 9 9900X processor with 64GB DDR5 memory and a professional Nvidia RTX A400 graphics card. It runs Windows 11 Pro on a 1TB Samsung 990 PRO NVMe drive and adds a 10TB hard drive for bulk storage. The X870 TUF motherboard and 750W 80 PLUS Bronze power supply complete a system built for professional workloads.

Suits multi-display professionals.

The RTX A400 provides four Mini DisplayPort outputs for multi-monitor setups and carries 4GB VRAM. It supports virtual reality workflows and AI-ready features. Buyers who need more GPU memory for heavy rendering, simulation or compute tasks should look at a different graphics configuration.

Four Mini DisplayPort outputs on the RTX A400

The graphics card includes exactly four Mini DisplayPort connectors, which decides whether this workstation can drive your monitor array without adapters or additional cards. Verify that your displays accept this interface or that you have suitable cables before ordering.

How it compares

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

Price $2,682.99
Cheaper than about 64% 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 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 useWork / Business
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900X
CPU socketAM5
Memory
RAM capacity64 GB DDR5
Max supported RAM192 GB
Storage
SSD storage1 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsNvidia RTX A400
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 is the 240 mm liquid cooler mounted on the AM5 socket, and what step is often missed?

The cooler uses the AM5 retention bracket; the step often missed is removing the protective film from the cold-plate before securing the four thumbscrews in a cross pattern.

Which components will need replacement first during the system's service life?

The 750 W PSU and the 140 mm case fans are the likeliest parts to require replacement after several years of continuous operation.

What thermal or power limit appears first when the Ryzen 9 9900X runs sustained all-core workloads?

The CPU hits its 5.20 GHz boost ceiling and the 240 mm radiator reaches thermal saturation before the 750 W PSU limit is encountered.

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