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Black desktop tower with tempered glass side panel and RGB fans

Adamant Custom

Adamant Custom Business Desktop Ryzen 7 9800X3D 192GB 1TB NVMe 10TB HDD RTX A400 Liquid Cooled Black

SKU CH-KED1-N186A

A liquid-cooled workstation with an 8-core Ryzen 7 9800X3D, 192GB DDR5, 1TB NVMe, 10TB HDD and RTX A400 graphics

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7 9000 Series
  • RAM capacity192 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelAMD Ryzen 7 9800 × 3D
  • 8-core Ryzen 7 9800X3D delivers high single-thread speed for complex workloads
  • 192GB DDR5 memory handles large datasets and multitasking without bottlenecks
  • 1TB NVMe SSD plus 10TB HDD combines fast boot with massive archive capacity
  • Nvidia RTX A400 with four MiniDP outputs drives multi-monitor professional setups
  • 240mm liquid cooler keeps the CPU quiet under sustained load

Workstation Ryzen 7 9800X3D liquid cooled

This business desktop pairs an 8-core AMD Ryzen 7 9800X3D running up to 5.20 GHz with a 240mm liquid cooler on an X870 TUF motherboard. It ships with 192GB DDR5, a 1TB Samsung 990 PRO NVMe drive and a 10TB hard drive with 256MB cache. Windows 11 Pro 64-bit is pre-installed.

Professionals needing GPU display outputs

The Nvidia RTX A400 provides four Mini DisplayPort outputs for multi-monitor setups while the 192GB memory ceiling supports large datasets and virtual machines. Buyers who need more than 4GB of video memory or a higher-tier professional GPU should consider other configurations.

192GB DDR5 memory capacity fixed at build

The system arrives with the maximum 192GB DDR5 supported by the motherboard, so no further memory upgrades are possible. Verify that this capacity matches your workload before purchase.

How it compares

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

Price $4,250.99
Cheaper than about 57% of the 2,161 comparable items (median $5,687.99).
RAM capacity 192 GB DDR5
Higher than about 80% 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
Product typeBusiness Desktops & Workstations
Recommended useWorkstation
Product colorBlack
Processor
ProcessorAMD Ryzen 7 9000 Series
CPU modelAMD Ryzen 7 9800 × 3D
CPU socketAM5
Memory
RAM capacity192 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 often should the liquid cooler on the Ryzen 7 9800X3D be checked or replaced?

The 240 mm quiet-edition AIO is a sealed unit with no user-serviceable parts; inspect tubing and fittings once a year for leaks and expect the pump to last several years under normal workloads.

What component hits its ceiling first when the workstation runs flat-out for hours?

The RTX A400 4 GB frame buffer fills up before the 192 GB DDR5 or the 8-core CPU saturate, so GPU memory becomes the practical limit in sustained heavy renders.

How loud and hot does the system get with the 850 W PSU and liquid cooling running all day?

The 140 mm PSU fan and 240 mm AIO are both rated for ultra-quiet operation; under continuous load the CPU stays within its thermal envelope while noise remains at a low background hum.

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