We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black mid-tower desktop with liquid cooling visible through side panel

Adamant Custom

Adamant Custom Workstation Ryzen 9 9900X 128GB 4TB NVMe 10TB HDD RTX A400 Liquid Cooled

SKU CH-BJ6S-TMFXB

Liquid-cooled business workstation with a 12-core Ryzen 9 9900X, 128 GB DDR5, 4 TB NVMe, 10 TB HDD and RTX A400 graphics for AI-ready workloads

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • UsageWorkstation
  • ColorBlack
  • Ethernet2.5G Ethernet
  • 12-core Ryzen 9 9900X powers demanding workloads
  • 128GB DDR5 memory handles large datasets smoothly
  • 4TB NVMe SSD plus 10TB HDD stores massive projects
  • RTX A400 with four MiniDP outputs drives multiple displays
  • 240mm liquid cooler keeps CPU temperatures low

Workstation Ryzen 9 9900X 128GB DDR5

This business desktop is built as a workstation around a 12-core AMD Ryzen 9 9900X processor running at 4.4 GHz with up to 5.20 GHz boost and 96 MB L3 cache. It ships with 128 GB of DDR5 memory and a 240 mm liquid cooler on an X870 TUF motherboard. The system includes Windows 11 Pro 64-bit and is marked AI Ready.

Suits multi-monitor professional workloads

Four Mini DisplayPort outputs on the Nvidia RTX A400 4 GB card drive multiple displays for design, visualization or trading setups. The 4 TB NVMe SSD and 10 TB hard drive provide fast boot and large local storage. Buyers who need more GPU memory or additional internal drive bays should consider a different configuration.

4 TB Samsung 990 PRO NVMe SSD

The primary drive is a 4 TB Samsung 990 PRO PCIe 4.0 x4 NVMe SSD with sequential reads up to 7450 MB/s and writes up to 6900 MB/s. This capacity and speed determine whether the system can hold active project files and scratch space without a secondary NVMe drive.

Highlights

  • 12-core Ryzen 9 9900X powers demanding workloads
  • 128GB DDR5 memory handles large datasets smoothly
  • 4TB NVMe SSD plus 10TB HDD stores massive projects
  • RTX A400 with four MiniDP outputs drives multiple displays
  • 240mm liquid cooler keeps CPU temperatures low

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 9 9000 Series
CPU NameAMD Ryzen 9 9900X
CPU Socket TypeAM5
GPU/VGA TypeNvidia RTX A400
Graphics InterfacePCI Express x16
Virtual Reality ReadyYes
Memory Capacity128GB 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

How do I install the 240 mm AIO liquid cooler on the AM5 socket and what step is often missed?

Mount the AM5 bracket supplied with the cooler, apply thermal paste, secure the cold plate, then connect the pump header and both fan headers to the X870 motherboard — the pump header is the step most builders forget.

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

The 750 W 80 PLUS Bronze PSU and the 140 mm PSU fan are the earliest wear items; the AIO pump may require attention after several years of continuous operation.

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

The 240 mm AIO reaches its heat-dissipation ceiling before the CPU hits its 5.20 GHz boost, causing clock speeds to settle below the maximum turbo frequency.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.