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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 64GB 1TB RTX 5090 gaming PC

SKU CH-65AV-1AM85

A liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, 64GB DDR5, 1TB NVMe SSD and RTX 5090 32GB GPU for workstation and gaming workloads

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageWorkstation
  • ColorBlack
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy compute
  • 64 GB DDR5 handles large datasets and multitasking
  • RTX 5090 32 GB drives 4K gaming and AI workloads
  • 1 TB Samsung 990 PRO reads up to 7450 MB/s for fast load times
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load

Purpose-built workstation

This desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with an Nvidia GeForce RTX 5090 graphics card for modelling, video editing, rendering and AI learning workloads. The system ships with Windows 11 Pro and a 240 mm liquid cooler to sustain heavy multi-threaded performance. Buyers who need a compact form factor or a lower-power configuration will not find those options here.

Bundled component impact

The 64 GB DDR5 memory kit and 1 TB Samsung 990 PRO NVMe SSD provide high-throughput capacity for large datasets and project files. A Thermaltake Toughpower 1200 W 80 PLUS Gold power supply delivers stable current to the CPU and GPU under sustained load. The X870 motherboard adds rear USB4 ports at 40 Gbps, Intel 2.5 Gb Ethernet and Wi-Fi 7 connectivity. Users who require additional internal drive bays beyond the two 3.5 inch and two 2.5 inch slots must plan external storage.

Deciding specification

The GeForce RTX 5090 with 32 GB of video memory determines whether this system fits the target workflow. Its 32 GB frame buffer enables large-scene rendering and high-resolution AI inference that smaller cards cannot accommodate. If the workload fits within a lesser GPU memory capacity, the cost and power overhead of this card become unnecessary.

Highlights

  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy compute
  • 64 GB DDR5 handles large datasets and multitasking
  • RTX 5090 32 GB drives 4K gaming and AI workloads
  • 1 TB Samsung 990 PRO reads up to 7450 MB/s for fast load times
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorDesktop
AI FeaturesAI Ready
UsageWorkstation
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeAMD Ryzen 9 9000 Series
CPU NameAMD Ryzen 9 9900X3D
CPU Socket TypeAM5
GPU/VGA TypeGeForce RTX 5090
Graphics InterfacePCI Express x16
Memory Capacity64GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD1TB NVMe
HDDNo
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
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

When will the 240 mm liquid cooler or the 1200 W PSU fan need replacing?

The 240 mm AIO uses a sealed loop with no user-serviceable parts; plan on swapping the unit if pump noise appears after several years. The Thermaltake 1200 W 80 PLUS Gold PSU fan is rated for long life; replace only if bearing noise develops.

What component hits its limit first during an all-day render on the Ryzen 9 9900X3D and RTX 5090?

The CPU can draw up to its 12-core 4.4 GHz base with 5.50 GHz boost; sustained loads will push the 240 mm radiator to its thermal ceiling before the 1200 W PSU or 64 GB DDR5 become bottlenecks.

How loud and hot does the system get when the RTX 5090 and 12-core CPU run continuously?

The 240 mm Quiet Edition AIO and 140 mm case fans keep CPU temperatures in check; the 1200 W Gold PSU fan spins slowly under load. Expect a low hum rather than loud noise, with exhaust air warm but not extreme.

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