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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5090 32GB DDR5 2TB NVMe gaming PC

SKU CH-8306-0P3YY

Liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, RTX 5090 32GB, 32GB DDR5 and 2TB NVMe for high-end gaming and workstation tasks

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz boost for heavy workloads
  • 32 GB DDR5 memory handles multitasking with 192 GB maximum capacity
  • RTX 5090 32 GB GPU drives 4K gaming and AI tasks
  • 2 TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read speeds
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load

System identity

This Adamant Custom gaming desktop pairs a 12-core Ryzen 9 9900X3D processor with an RTX 5090 graphics card carrying 32GB of video memory. A 240mm liquid cooler keeps the CPU at 4.4GHz base speed, while 32GB of DDR5 system memory and a 2TB NVMe SSD provide fast storage and multitasking headroom. Windows 11 Pro is pre-installed on the 2026-build platform.

Who it suits

The machine targets creators and engineers who need high single-thread frequency plus large GPU memory for rendering, simulation or AI workloads. Buyers who want more storage bays than the two 3.5-inch and two 2.5-inch internal slots provide, or who require a second graphics card, should look at a different chassis. The fixed 1200W power supply also limits future GPU upgrades beyond the current card.

Deciding specification

The RTX 5090 with 32GB of dedicated graphics memory is the single component that determines whether this system fits the workload; no other part in the build offers that capacity.

How it compares

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

Price $6,516.99
Pricier than about 90% of the 24,925 comparable items (median $2,694.99).
RAM capacity 32 GB DDR5
Typical for this category: the median of 24,338 items is 32 GB.
SSD storage 2 TB NVMe
Typical for this category: the median of 24,468 items is 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 capacity32 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 TB NVMe
Hard driveNo
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

How do I confirm the liquid cooler is running quietly after first boot?

The 240 mm Quiet Edition AIO uses a 140 mm fan; listen for low noise at idle and watch CPU temperature stay near 4.4 GHz under load.

Which items ship inside the Corsair 4000D case and what must I add myself?

The case arrives with motherboard, CPU, cooler, 32 GB DDR5, 2 TB Samsung 990 PRO, RTX 5090 32 GB, 1200 W PSU and Windows 11 Pro installed; only peripherals and display are separate.

Should I pick the 32 GB DDR5 configuration or expand to the 192 GB maximum later?

Four slots are provided with 32 GB fitted; add matching DDR5 modules up to 192 GB total when workloads need more capacity.

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