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Black Corsair 4000D tempered glass mid-tower with 240mm liquid cooler visible through side panel

Adamant Custom

Adamant Custom Ryzen 7 9800X3D 128GB 8TB NVMe 10TB HDD RTX A400 Liquid Cooled Business Desktop

SKU CH-MVK7-1DY29

Liquid-cooled workstation with 8-core Ryzen 7 9800X3D, 128GB DDR5, 8TB NVMe plus 10TB HDD, and RTX A400 graphics

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelAMD Ryzen 7 9800 × 3D
  • 8-core Ryzen 7 9800X3D delivers 4.7 GHz base speed for demanding workloads
  • 128 GB DDR5 memory supports multitasking across virtual machines and large datasets
  • 8 TB NVMe SSD plus 10 TB HDD combine fast access with deep archival capacity
  • RTX A400 with four Mini DisplayPort outputs drives multi-monitor professional setups
  • 240 mm liquid cooler keeps the CPU quiet under sustained load

Workstation with 128 GB DDR5

This desktop pairs an 8-core Ryzen 7 9800X3D processor with 128 GB of DDR5 memory and liquid cooling. It ships with Windows 11 Pro and an Nvidia RTX A400 graphics card. The system is aimed at professionals who need high core counts and large memory capacity for compute-intensive workloads.

PCIe 4.0 storage and 2.5G Ethernet limits

Two Samsung 990 PRO SSDs deliver up to 7450 MB/s reads and 6900 MB/s writes over PCIe 4.0 x4 lanes. The 10 TB hard drive adds bulk capacity. Network throughput tops out at 2.5 Gbps on the Intel Ethernet controller, while Wi-Fi 7 provides wireless connectivity.

Upgrade from smaller memory or air-cooled builds

The 128 GB kit fills eight slots on the X870 motherboard, leaving room to reach the 192 GB maximum later. Liquid cooling sustains higher boost clocks than stock air coolers under prolonged loads. Buyers who need more than four display outputs or more than 4 GB of GPU memory should look elsewhere.

How it compares

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

Price $4,837.99
Cheaper than about 54% 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 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 capacity128 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

Should I pick the 128 GB DDR5 configuration or add more memory up to the 192 GB limit?

The system ships with 128 GB DDR5; the motherboard supports up to 192 GB, so you only need to add modules if your workloads regularly exceed the installed capacity.

What does the Ryzen 7 9800X3D’s 4.7 GHz base and 5.20 GHz boost mean for daily workstation tasks?

Eight cores and 96 MB L3 cache at those clocks give strong single-thread responsiveness and high multi-thread throughput for compile, render and simulation workloads.

How do the rear USB4, 10 Gbps and 5 Gbps ports differ in real transfer speed?

USB4 ports run at 40 Gbps, the three 10 Gbps ports at 10 Gbps, and the four 5 Gbps ports at 5 Gbps; each will deliver near its rated bandwidth with compatible devices.

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