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Adamant Custom

Adamant Custom 24-Core i9-14900K 128GB DDR5 8TB NVMe 10TB HDD RTX A400 Business Desktop

SKU CH-A6KD-JCAGB

A 24-core liquid-cooled workstation with 128GB DDR5, 8TB NVMe, 10TB HDD and RTX A400 graphics for multi-threaded professional workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity128 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelIntel Core i9-14900K
  • 24-core i9-14900K handles heavy multitasking with 32 threads
  • 128GB DDR5 supports large datasets and virtual machines
  • 8TB NVMe SSD delivers 7450 MB/s read speed for fast boot and load
  • 10TB HDD adds high-capacity storage for archives and backups
  • Nvidia RTX A400 drives four displays via 4xMiniDP outputs

Professional workstation for compute-intensive

The Adamant Custom business desktop pairs a 24-core Intel Core i9-14900K processor with 128 GB of DDR5 memory and an Nvidia RTX A400 graphics card. This combination targets professionals running multi-threaded simulations, large dataset analysis or GPU-accelerated creative applications that benefit from high core counts and professional driver support.

Liquid-cooled tower with extensive front-panel I/O

A 360 mm quiet-edition AIO cooler handles CPU thermals inside an Antec P10 FLUX mid-tower that includes sound-dampening panels. Front-panel connectivity provides two USB 3.2 Gen 1 ports, two USB 2.0 ports, HD audio jacks and a fan-control button, while the rear adds USB Type-C, USB 3.2 Gen 2, four USB 2.0 and 2.5 Gbps Ethernet for peripheral-heavy setups.

PCIe 4.0 storage ceiling

The Z790 motherboard offers three M.2 slots and four SATA 6 Gbps ports, with the two factory-installed 4 TB Samsung 990 PRO drives operating at PCIe 4.0 x4 speeds. The RTX A400 occupies a single slot and delivers four Mini DisplayPort outputs, limiting multi-GPU expansion while supporting up to four professional displays from a compact footprint.

How it compares

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

Price $4,597.99
Cheaper than about 55% of the 2,161 comparable items (median $5,687.99).
RAM capacity 128 GB DDR5
Higher than about 60% 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 colorBlack
Processor
ProcessorIntel Core i9 14th Gen
CPU modelIntel Core i9-14900K
CPU socketLGA 1700
Memory
RAM capacity128 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage8 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsNvidia RTX A400
Audio & video
Audio chipIntegrated
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 6
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.2
Ports & slots
Ethernet port1 port
Size & build
Form factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What practical bandwidth limit does the 2.5Gbps LAN port impose on wired transfers?

The integrated Intel 2.5Gb Ethernet caps sustained throughput at roughly two and a half gigabits per second, well above standard gigabit but below ten-gigabit infrastructure.

What physical clearance does the 360 mm liquid cooler require inside the Antec P10 FLUX chassis?

The 360 mm radiator mounts at the front behind three 120 mm fans; the case supports this length with the PSU shroud fan in place.

How is the Nvidia RTX A400 installed, and which step is commonly missed?

The card is factory-seated in the top PCIe slot with its bracket screwed down; the step often missed is connecting the four Mini DisplayPort cables before the side panel goes on.

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