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Adamant Custom

Adamant Custom i9-14900K 24-Core 192GB DDR5 4TB NVMe 10TB HDD RTX A400 Business Desktop

SKU CH-1FY3-BBB5R

Liquid-cooled workstation with a 24-core i9-14900K, 192 GB DDR5, 4 TB NVMe plus 10 TB HDD, and an RTX A400 driving four Mini-DisplayPort outputs

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity192 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelIntel Core i9-14900K
  • 24-core i9-14900K reaches 6.00 GHz for heavy compute workloads
  • 192 GB DDR5 handles large datasets and multitasking
  • 4 TB NVMe SSD reads up to 7450 MB/s for fast boot and load times
  • 10 TB HDD with 256 MB cache stores massive project archives
  • RTX A400 with 4x MiniDP drives four professional displays

Built for Professional Workloads

This business desktop combines a 24-core Intel Core i9-14900K processor with 192GB of DDR5 memory and an Nvidia RTX A400 graphics card. It targets engineers, content creators, and data analysts who need sustained multi-threaded performance and professional driver support for certified applications. The liquid-cooled chassis keeps the high-end CPU stable under continuous heavy loads.

Mid-Tower Chassis with Extensive Connectivity

The Antec P20 mid-tower case features tempered glass panels, dust filters on three sides, and a 360mm AIO liquid cooler for the CPU. Front-panel I/O includes two USB 3.0 ports, one USB 3.2 Gen 2 Type-C port, and audio jacks. Rear I/O adds USB Type-C, multiple USB 3.2 Gen 2 and Gen 1 ports, four USB 2.0 ports, Intel 2.5Gb Ethernet, Wi-Fi 6, and four Mini DisplayPort outputs from the GPU. Internal bays provide two 3.5"/2.5" and two 2.5" drive slots, while the motherboard offers four M.2 connectors and six SATA ports with RAID support.

Storage and Software Ready for Production

A 4TB Samsung 990 PRO PCIe 4.0 NVMe SSD delivers read speeds up to 7450 MB/s and write speeds up to 6900 MB/s for active projects, complemented by a 10TB hard drive with 256MB cache for bulk data. The system ships with Windows 11 Pro pre-installed, configured for the Z790 AORUS motherboard and 850W 80 PLUS Bronze power supply. Buyers who need more than four Mini DisplayPort outputs or a different GPU architecture should verify compatibility before ordering.

How it compares

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

Price $5,145.99
Typical for this category: the median of 2,161 items is $5,687.99.
RAM capacity 192 GB DDR5
Higher than about 80% of the 2,095 comparable items (median 64 GB).
SSD storage 4 TB NVMe
Higher than about 70% 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 capacity192 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage4 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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What PCIe generation does the M.2 slot for the 4TB NVMe SSD use, and what read speed does that cap in practice?

The 4TB Samsung 990 PRO runs on a PCIe 4.0 x4 M.2 slot, limiting sequential reads to 7450 MB/s and writes to 6900 MB/s.

What case dimensions and drive bay layout must the 10TB HDD and 4TB NVMe fit into?

The Antec P20 mid-tower measures 469 x 220 x 490 mm and provides two internal 3.5"/2.5" bays plus two dedicated 2.5" bays for the drives.

How is the 360 mm liquid cooler mounted, and which step do builders often miss?

The 360 mm AIO radiator installs in the top of the case with three 120 mm fans; the step often missed is orienting the pump below the radiator top to prevent air bubbles.

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