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Black mid-tower desktop with tempered glass side panel and liquid cooling visible inside

Adamant Custom

Adamant Custom Ryzen 7 9800X3D 192GB DDR5 4TB NVMe 10TB HDD RTX A400 business desktop

SKU CH-5EGH-H76ZE

An 8-core Ryzen workstation with 192GB DDR5, 4TB NVMe and 10TB HDD, liquid-cooled with an RTX A400 for professional visualisation

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • UsageWorkstation
  • ColorBlack
  • Ethernet2.5G Ethernet
  • 8-core Ryzen 7 9800X3D with 96 MB L3 cache handles heavy workloads
  • 192 GB DDR5 memory supports large datasets and multitasking
  • 4 TB NVMe SSD plus 10 TB HDD provides fast and ample storage
  • RTX A400 4 GB with four MiniDP outputs drives multiple displays
  • Liquid cooling and 850 W Bronze PSU deliver stable, quiet operation

Workstation CPU and Memory

This business desktop is built around an 8-core AMD Ryzen 7 9800X3D processor with a 4.7 GHz base clock and 96 MB L3 cache. It ships with 192 GB of DDR5 memory, reaching the motherboard's maximum supported capacity. The system targets professionals who need high single-thread speed and large memory bandwidth for simulation, rendering or data-analysis workloads.

Motherboard Connectivity and Power

The PRIME X870-P motherboard provides rear USB4 ports at 40 Gbps, additional USB 10 Gbps and 5 Gbps ports, plus four M.2 slots for future expansion. A Thermaltake Smart 850 W 80 PLUS Bronze power supply delivers power to the CPU, an Nvidia RTX A400 graphics card with four Mini DisplayPort outputs, and all storage drives. The case includes front-panel USB 3.2 Gen 2 Type-C and USB 3.0 ports.

Storage Upgrade Path

Primary storage is a 4 TB Samsung 990 PRO NVMe drive with sequential reads up to 7 450 MB/s and writes up to 6 900 MB/s. A 10 TB hard drive with 256 MB cache adds bulk capacity. Builders who need more high-speed NVMe volumes can use the three remaining M.2 slots, while the two internal 3.5-inch bays accept additional hard drives for archival growth.

Highlights

  • 8-core Ryzen 7 9800X3D with 96 MB L3 cache handles heavy workloads
  • 192 GB DDR5 memory supports large datasets and multitasking
  • 4 TB NVMe SSD plus 10 TB HDD provides fast and ample storage
  • RTX A400 4 GB with four MiniDP outputs drives multiple displays
  • Liquid cooling and 850 W Bronze PSU deliver stable, quiet operation

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorDesktop
UsageWorkstation
ColorBlack
Ethernet2.5G Ethernet
MonitorMonitor not included
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro 64-bit
AI FeaturesAI Ready
CPU TypeAMD Ryzen 7 9000 Series
CPU NameAMD Ryzen 7 9800X3D
CPU Socket TypeAM5
GPU/VGA TypeNvidia RTX A400
Graphics InterfacePCI Express x16
Virtual Reality ReadyYes
Memory Capacity192GB DDR5
Maximum Memory Supported192 GB
SSD4TB NVMe
HDD10TB
Optical Drive TypeNo
Screen SizeNo Screen
Audio Channels7.1 channels
LAN ChipsetIntegrated
LAN Speed2.5Gbps
WLAN802.11be Wireless LAN
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
RJ451 port

Questions about this item

Does the system ship with a monitor, keyboard or mouse, or do I need to buy them separately?

The desktop is sold without a monitor, keyboard or mouse; those peripherals must be purchased separately.

Is the 192 GB DDR5 the maximum the motherboard can take, or can I add more later?

The PRIME X870-P board supports a maximum of 192 GB, so the installed memory already fills every slot and cannot be expanded.

What real-world throughput can I expect from the 4 TB Samsung 990 PRO when it is installed in the PCIe 4.0 M.2 slot?

The drive is rated for sequential reads up to 7,450 MB/s and writes up to 6,900 MB/s over the PCIe 4.0 x4 interface.

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