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Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5090 64GB DDR5 1TB NVMe 10TB HDD gaming PC

SKU CH-P3JD-QY4G9

A 12-core Ryzen 9900X3D desktop with 64GB DDR5, RTX 5090 32GB, 1TB NVMe and 10TB HDD for modelling, editing, rendering and AI learning

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D handles heavy modelling and rendering workloads
  • RTX 5090 with 32 GB VRAM accelerates AI learning and 3D tasks
  • 64 GB DDR5 memory supports large datasets and multitasking
  • 1 TB NVMe SSD plus 10 TB HDD gives fast boot and massive storage
  • Liquid cooling keeps the 12-core CPU quiet under sustained load

Core specification

This desktop pairs a twelve-core AMD Ryzen 9 9900X3D processor with an Nvidia GeForce RTX 5090 graphics card carrying 32GB of video memory. Sixty-four gigabytes of DDR5 system memory and a 1TB NVMe solid-state drive provide fast throughput for modelling, editing, rendering and AI learning workloads. A secondary 10TB hard drive adds deep capacity for project archives and media libraries. The system ships with Windows 11 Pro installed.

Included hardware impact

A 240mm liquid cooler keeps the CPU at stable temperatures during sustained compute tasks. The motherboard supplies rear USB4 ports at 40Gbps, multiple 10Gbps and 5Gbps USB connections, Intel 2.5Gb Ethernet and Wi-Fi 7 wireless. Internal headers add further USB and SATA expansion. Realtek 7.1 surround audio handles monitoring without an external interface. The 1200W 80 PLUS Gold power unit delivers protected, efficient power to every component.

Build and connectivity practicalities

The tempered-glass chassis measures 447mm deep, 215mm wide and 469mm high in black. Two 140mm PWM front fans feed airflow to the liquid radiator and GPU. Front-panel I/O includes a USB 3.2 Gen 2x2 Type-C port, two USB 3.0 ports and dual audio jacks. Inside, two 3.5-inch and two 2.5-inch bays remain free for future storage upgrades. Four memory slots support up to 192GB total DDR5.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $7,618.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).
SSD storage 1 TB NVMe
Lower than about 70% of the 24,468 comparable items (median 2 TB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Year of release2026
Product typeBusiness Desktops & Workstations
Recommended useWorkstation
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900 × 3D
CPU socketAM5
Memory
RAM capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage1 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
GPU interfacePCI Express x16
Audio & video
Audio chipIntegrated
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 7
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11be Wireless LAN
Bluetooth support5.4
Ports & slots
Ethernet port1 port
Size & build
Form factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

When will the 240 mm liquid cooler need its coolant checked or the pump replaced?

The 240 mm Quiet Edition AIO is a sealed unit; no coolant top-ups are required. Pump life varies with load, so monitor CPU temperatures and replace the cooler if temps rise unexpectedly.

Which component hits its thermal ceiling first during an all-day render — the 12-core Ryzen 9 9900X3D or the RTX 5090?

Both parts share the case airflow. The CPU is cooled by a 240 mm AIO while the RTX 5090 uses its own triple-fan design; sustained loads will push GPU thermals up faster because it draws more power.

How loud does the system get when the 1200 W Gold PSU, 240 mm AIO and GPU fans run at full tilt for hours?

The PSU uses a 140 mm ultra-quiet fan, the AIO is a Quiet Edition model, and the RTX 5090 has a triple-fan cooler. Expect a noticeable but not intrusive hum under continuous maximum load.

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