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

Adamant Custom

Adamant Custom 12-Core Liquid Cooled Gaming PC Ryzen 9 9900X3D 128GB DDR5 2TB NVMe 10TB HDD RTX 5070

SKU CH-3A99-AWCVH

A liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, 128GB DDR5, 2TB NVMe, 10TB HDD and RTX 5070 graphics for high-end gaming and workstation tasks

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5070
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • 240 mm liquid cooler keeps CPU temperatures low under load
  • 128 GB DDR5 memory handles large datasets and multitasking
  • 2 TB NVMe SSD plus 10 TB HDD gives fast boot and massive storage
  • RTX 5070 12 GB GPU accelerates gaming and creative tasks

System Overview

The Adamant Custom gaming desktop combines a twelve-core AMD Ryzen 9 9900X3D processor with 128GB DDR5 memory and an Nvidia GeForce RTX 5070 graphics card. A 240mm liquid cooler manages CPU thermals inside a Corsair 4000D tempered-glass chassis. Windows 11 Pro is pre-installed on a 2TB Samsung 990 PRO NVMe SSD, while a 10TB hard drive adds bulk storage.

Ideal Use Cases

Content creators and engineers who need high single-thread frequency and large memory capacity for rendering, simulation or AI workloads will benefit from the 128GB DDR5 configuration and fast NVMe boot drive. Buyers who require more than twelve CPU cores or a graphics card with more than 12GB VRAM should consider a different system.

Deciding Specification

The 128GB DDR5 memory kit fills all four motherboard slots and defines the platform’s multitasking ceiling; the board supports up to 192GB total, so this build leaves no room for further memory upgrades without replacing modules.

How it compares

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

Price $4,680.99
Pricier than about 83% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% of the 24,338 comparable items (median 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 capacity128 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5070
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

Does the 12-core Ryzen 9 9900X3D throttle under the 240mm liquid cooler during long renders?

The 240mm Quiet Edition AIO is sized for the 9900X3D and the case airflow supports sustained loads without thermal throttling.

How loud is the system when the RTX 5070 and CPU run flat out all day?

The 240mm AIO and the PSU's 140mm fan are both specified as ultra-quiet, keeping noise low under continuous load.

Which display cables must I already have for the RTX 5070 outputs?

The RTX 5070 uses PCI Express x16 and provides standard DisplayPort and HDMI ports, so existing DP or HDMI cables will work.

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