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Black Corsair 4000D tempered glass desktop with 240mm liquid cooler visible

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5080 192GB DDR5 1TB NVMe gaming PC

SKU CH-A582-BDGAJ

A 12-core Ryzen 9 9900X3D and RTX 5080 workstation with 192 GB DDR5 and a 1 TB NVMe drive, liquid-cooled in a Corsair 4000D case

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageWorkstation
  • ColorBlack
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy compute
  • 192 GB DDR5 handles large datasets and multitasking
  • RTX 5080 16 GB drives 4K gaming and AI workloads
  • 1 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 240 mm liquid cooler keeps CPU temperatures low

Adamant Custom Ryzen 9 9900X3D Workstation

This desktop is built for modelling, video editing, rendering and AI learning workloads. It pairs a 12-core Ryzen 9 9900X3D processor with 192 GB of DDR5 memory and an Nvidia GeForce RTX 5080 graphics card. A 1 TB Samsung 990 PRO NVMe drive provides fast storage. Liquid cooling and a 1000 W Gold-rated power supply support sustained heavy loads.

Who This Suits and Who It Does Not

Creators and engineers who need many cores, large memory capacity and a high-end GPU for local inference or 3D work will benefit. Buyers who only require mainstream gaming performance or general office tasks will not use the available compute and memory headroom. Systems with smaller memory or a mid-range graphics card cost less for those lighter uses.

Deciding Specification: 192 GB DDR5 Memory

The board includes four slots populated to the maximum supported 192 GB. This capacity lets you keep large datasets, multiple virtual machines or complex scenes in RAM without swapping to the NVMe drive. If your workflows fit comfortably in 64 GB or 128 GB, a system with less memory will be more cost-effective.

Highlights

  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy compute
  • 192 GB DDR5 handles large datasets and multitasking
  • RTX 5080 16 GB drives 4K gaming and AI workloads
  • 1 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 240 mm liquid cooler keeps CPU temperatures low

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 5080
Graphics InterfacePCI Express x16
Memory Capacity192GB 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

What PCI Express generation does the RTX 5080 graphics interface use, and what bandwidth does that cap in practice?

The RTX 5080 connects through a PCI Express x16 slot on the PRIME X870-P motherboard; the board's M.2 connectors run at PCIe 4.0x4 so the GPU slot is limited to the same 4.0 generation, capping theoretical bandwidth at 64 GT/s per lane.

What physical clearance and mounting points does the 240 mm liquid cooler need inside the Corsair 4000D case?

The 240 mm radiator mounts to the top or front 140 mm fan positions of the 4000D; the case measures 490 x 239 x 486 mm and provides two 140 mm mounting grids with standard 20 mm hole spacing, so the AIO fits without interfering with the motherboard VRM heatsinks or the RTX 5080 length.

How is the 192 GB DDR5 kit installed on the four-slot PRIME X870-P, and which step do builders most often get wrong?

Populate all four DIMM slots with the matched 48 GB modules, seat each stick until the retention clips click, then enable EXPO in BIOS; the common mistake is leaving one slot empty or mixing kits, which forces the memory controller to run at JEDEC speeds instead of the rated DDR5 frequency.

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