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Black mid-tower desktop with tempered glass side panel and liquid CPU cooler

Adamant Custom

Adamant Custom Ryzen 7 9800X3D 32GB DDR5 8TB NVMe 10TB HDD RTX A400 850W Liquid Cooled Black business desktop

SKU CH-4D9M-FJXGY

Liquid-cooled workstation desktop with an 8-core Ryzen 7 9800X3D, 32 GB DDR5, 8 TB NVMe plus 10 TB HDD and an RTX A400 GPU

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelAMD Ryzen 7 9800 × 3D
  • 8-core Ryzen 7 9800X3D with 96 MB L3 cache for multi-threaded workloads
  • 32 GB DDR5 memory expandable to 192 GB for large datasets
  • 8 TB NVMe SSD plus 10 TB HDD for fast active storage and deep archive
  • Nvidia RTX A400 4 GB with four Mini DisplayPort outputs for multi-monitor setups
  • 240 mm liquid cooler and 850 W 80 PLUS Bronze PSU for sustained thermal headroom

Workstation Desktop for Professional Use

This business desktop ships new with an 8-core AMD Ryzen 7 9800X3D processor, 32GB DDR5 memory, 8TB NVMe SSD storage and a 10TB HDD. The Nvidia RTX A400 graphics card provides four Mini DisplayPort outputs. It targets engineers, content creators and data analysts who need high single-thread speed and large local datasets.

Pre-Built Liquid-Cooled Assembly

The system arrives fully assembled with a 240mm AIO cooler mounted on the AM5 socket and a Thermaltake Smart 850W 80 PLUS Bronze PSU installed. No component installation is required. Builders should verify that the Antec P20 mid-tower dimensions (469 x 220 x 490 mm) fit the intended workspace and that front-panel USB 3.2 Gen 2 Type-C connectivity matches peripheral cables.

Compatibility Checklist Before Ordering

Confirm that your monitors accept Mini DisplayPort or that you have suitable adapters for the RTX A400 four-port layout. The motherboard provides two USB4 40Gbps Type-C ports, one USB 10Gbps port, three USB 5Gbps ports and four USB 2.0 ports rear; ensure your devices match these interfaces. The board supports up to 192 GB DDR5 across four M.2 slots — two are already occupied by the 4TB Samsung 990 PRO drives. Windows 11 Pro 64-bit is pre-installed.

How it compares

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

Price $3,339.99
Cheaper than about 61% of the 2,161 comparable items (median $5,687.99).
RAM capacity 32 GB DDR5
Lower than about 70% of the 2,095 comparable items (median 64 GB).
SSD storage 8 TB NVMe
Higher than about 90% 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 capacity32 GB DDR5
Max supported RAM192 GB
Storage
SSD storage8 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 can I verify the Ryzen 7 9800X3D is hitting its 5.20 GHz boost after assembly?

Open Windows Task Manager Performance tab or run a single-thread benchmark; the CPU clock should reach 5.20 GHz under light load with the 240 mm liquid cooler keeping temperatures low.

What storage drives and GPU outputs are already installed versus what I must add?

Two 4 TB Samsung 990 PRO NVMe SSDs (8 TB total), one 10 TB HDD, and an RTX A400 with four Mini DisplayPort connectors are fitted; no extra drives or video adapters are required.

Is the 32 GB DDR5 configuration sufficient or should I plan for the 192 GB maximum?

32 GB DDR5 covers typical workstation workloads; the motherboard supports up to 192 GB if you later need more capacity for large datasets or virtual machines.

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