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

Adamant Custom

Adamant Custom Ryzen 9 9900X 12-Core Liquid Cooled 32GB 8TB NVMe 10TB HDD RTX A400 business desktop

SKU CH-5B2V-ENV2F

A liquid-cooled workstation with a 12-core Ryzen 9 9900X, 32 GB DDR5, 8 TB NVMe plus 10 TB HDD and an RTX A400 GPU

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelAMD Ryzen 9 9900X
  • 12-core Ryzen 9 9900X drives heavy workloads
  • 240 mm liquid cooler keeps CPU temperatures low
  • 8 TB NVMe plus 10 TB HDD store massive projects
  • RTX A400 with four MiniDP outputs powers multi-monitor setups
  • Wi-Fi 7 and 2.5 Gb Ethernet deliver fast network connectivity

12-Core Liquid Cooled Workstation

This business desktop pairs a 12-core AMD Ryzen 9 9900X processor with a 240mm liquid cooler for sustained performance. It ships with 32GB of DDR5 memory and an Nvidia RTX A400 graphics card driving four Mini DisplayPort outputs. The system targets content creators who need reliable multi-threaded throughput in a compact tower.

8TB NVMe plus 10TB HDD storage

Two 4TB Samsung 990 PRO SSDs combine for 8TB of PCIe 4.0 NVMe capacity with sequential reads up to 7450 MB/sec. A 10TB hard drive with 256MB cache adds deep archival space. This dual-tier layout lets active projects stay on fast flash while large media libraries remain on spinning media.

X870 motherboard with USB4 and Wi-Fi 7

The TUF X870-PLUS board supplies two USB4 Type-C ports at 40Gbps alongside multiple 10Gbps and 5Gbps USB connections. Intel 2.5Gb Ethernet and Wi-Fi 7 2x2 provide wired and wireless networking. Four M.2 slots and two 3.5-inch bays remain open for future expansion inside the Antec P20 case.

How it compares

Measured against everything we stock in Business & Office Desktops, at today’s prices. Recalculated every night.

Price $3,195.99
Cheaper than about 62% of the 2,161 comparable items (median $5,687.99).
RAM capacity 32 GB DDR5
Lower than about 70% of the 2,095 comparable items (median 64 GB).
SSD storage 8 TB NVMe
Higher than about 90% of the 2,058 comparable items (median 2 TB).

Specifications

Product
Year of release2026
Product typeBusiness Desktops & Workstations
Recommended useContent Creation
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900X
CPU socketAM5
Memory
RAM capacity32 GB DDR5
Max supported RAM192 GB
Storage
SSD storage8 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsNvidia RTX A400
GPU interfacePCI Express x16
VR readyYes
Audio & video
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 7
Network speed2.5 Gbit/s
Wired network2.5G Ethernet
Ethernet controllerIntegrated
Wi-Fi802.11be Wireless LAN
Bluetooth support5.4
Ports & slots
Ethernet port1 port
Size & build
Form factorDesktop
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro 64-bit
More details
Cooling methodLiquid Cooling
AI capabilityAI Ready

Questions about this item

How does the 12-core Ryzen 9 9900X perform inside this chassis?

The 12-core processor runs at 4.4 GHz base with a 5.20 GHz boost and 96 MB L3 cache, cooled by a 240 mm liquid loop in a ventilated mid-tower.

What does the PCI Express x16 slot limit for the RTX A400?

The card uses a PCI Express x16 link and provides four Mini DisplayPort outputs for multi-monitor setups.

Will the 220 mm wide case accept the 240 mm radiator and long graphics card?

The Antec P20 mid-tower measures 469 x 220 x 490 mm and supports E-ATX boards with front-mounted 240 mm radiators.

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