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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5090 64GB DDR5 4TB NVMe gaming PC

SKU CH-R5BB-EB06B

A liquid-cooled workstation with a 12-core Ryzen 9 9900X3D, RTX 5090 32GB GPU, 64GB DDR5 and 4TB NVMe SSD for modelling, rendering and AI learning

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz boost for heavy workloads
  • RTX 5090 32GB GPU drives 4K gaming and AI tasks
  • 64GB DDR5 memory handles large datasets and multitasking
  • 4TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads
  • 240mm liquid cooler keeps CPU temperatures low under load

Custom 12-core workstation

This Adamant Custom desktop pairs a 12-core Ryzen 9 9900X3D processor with an RTX 5090 graphics card and 64GB of DDR5 memory. A 4TB NVMe SSD provides fast primary storage. The system ships with Windows 11 Pro installed and is marketed as AI-ready for modelling, rendering and learning workloads.

Mid-tower liquid-cooled platform

The components sit in an Antec P20 mid-tower case measuring 469 by 220 by 490 millimetres. A 240mm liquid cooler handles the CPU while three 120mm front fans and a 140mm PSU fan move air through dust filters on three sides. The Thermaltake Toughpower 1200W 80 PLUS Gold unit powers the build. The PRIME X870-P motherboard offers four M.2 slots and rear I/O that includes two USB4 ports, one USB 10Gbps port, three USB 5Gbps ports, four USB 2.0 ports and Intel 2.5Gb Ethernet.

Suited for high-core-count GPU workflows

This configuration suits users who need 12 cores, 32GB of GPU memory and 64GB of system memory in a single mid-tower chassis. Builders who require more than 4TB of internal NVMe storage, additional 3.5-inch drive bays beyond the two provided, or a smaller form factor should consider other platforms.

How it compares

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

Price $7,553.99
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 4 TB NVMe
Higher 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 storage4 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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Does the 240mm liquid cooler keep the Ryzen 9 9900X3D at 4.4GHz under sustained all-core load?

The 240mm Quiet Edition AIO is rated for the 120W class 12-core CPU; prolonged heavy workloads will hit thermal limits before the 5.50GHz boost ceiling is reached.

What noise and heat levels should I expect from the 1200W Gold PSU and 140mm fan during 24-hour rendering?

The Thermaltake Toughpower 1200W 80 PLUS Gold unit uses a 140mm ultra-quiet fan and Japanese capacitors, so acoustic output stays low while efficiency remains high under continuous draw.

Will the PRIME X870-P motherboard POST without any storage installed in the four M.2 slots?

The board provides four M.2 connectors but ships with a single 4TB Samsung 990 PRO in one slot; the other three are empty, so an OS drive is already present for immediate boot.

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