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Black mid-tower desktop with liquid cooling visible inside

Adamant Custom

Adamant Custom Business Desktop i9-14900K 128GB DDR5 1TB NVMe 10TB RTX A400 Liquid Cooled

SKU CH-X9WA-DRCTQ

Liquid-cooled business tower with 24-core i9-14900K, 128GB DDR5, 1TB NVMe, 10TB HDD and RTX A400 graphics

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity128 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelIntel Core i9-14900K
  • 24-core Intel Core i9-14900K reaches up to 6.00 GHz for demanding workloads
  • 128GB DDR5 memory handles large datasets and multitasking with room to expand to 192 GB
  • 1TB Samsung 990 PRO NVMe SSD delivers up to 7450 MB/s read speed
  • 10TB hard drive with 256MB cache stores extensive project archives
  • Nvidia RTX A400 with 4xMiniDP drives multiple professional displays

Purpose-built workstation

This liquid-cooled tower pairs a 24-core Intel Core i9-14900K with 128GB DDR5 memory and an Nvidia RTX A400 graphics card. It targets professionals who need reliable multi-threaded compute and certified driver stability for CAD, simulation or multi-display workflows. The system ships with Windows 11 Pro and a 1TB NVMe boot drive alongside a 10TB hard drive for project storage.

Connectivity and expansion limits

Rear I/O provides one USB Type-C, one USB 3.2 Gen 2, two USB 3.2 Gen 1 and four USB 2.0 ports, plus 2.5Gbps LAN, Wi-Fi 6 and BLUETOOTH 5.2. Internal expansion is capped at three M.2 connectors and four SATA 6Gb/s ports. The GPU offers four Mini DisplayPort outputs, so displays requiring HDMI or full-size DisplayPort need adapters. The 850W 80 PLUS Bronze power supply sets the ceiling for any future GPU upgrade.

Deciding specification

The RTX A400 carries 4GB of video memory and four Mini DisplayPort connectors, which determines whether this workstation can drive your required display count and fit your GPU memory budget. If your workload demands more than 4GB VRAM or different video outputs, this configuration will not meet the requirement.

How it compares

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

Price $4,074.99
Cheaper than about 58% 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 1 TB NVMe
Lower than about 60% 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 storage1 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

Should I choose the 128GB DDR5 configuration or upgrade toward the 192GB maximum?

The system ships with 128GB DDR5 across four slots; the board supports up to 192GB, so you only need to add modules if your workloads regularly exceed the installed capacity.

What does the i9-14900K 24-core 3.2GHz figure deliver in daily workstation tasks?

24 cores and 32 threads with a 6.00GHz max turbo give strong multi-thread throughput for rendering, compilation and large dataset work while maintaining responsive single-thread speed.

How does the PCIe 4.0 x4 link shape the 1TB NVMe SSD performance?

The Samsung 990 PRO runs on a PCIe 4.0 x4 interface, capping sequential reads at 7450 MB/sec and writes at 6900 MB/sec in this build.

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