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

Adamant Custom

Adamant Custom i9-14900K 128GB DDR5 8TB NVMe 10TB HDD Liquid Cooled Gaming PC

SKU CH-C399-9GPD0

High-performance desktop with a 24-core Intel Core i9-14900K, 128 GB DDR5, 8 TB NVMe SSD plus 10 TB HDD, and a 360 mm liquid cooler

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity128 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsIntegrated Graphics
  • CPU modelIntel Core i9-14900K
  • 24-core Intel Core i9-14900K reaches 6.00 GHz for heavy workloads
  • 128GB DDR5 memory handles large datasets and multitasking
  • 8TB NVMe storage with 7450 MB/s read speeds loads projects fast
  • 360mm liquid cooler keeps CPU temperatures low under sustained load
  • Wi-Fi 6 and Bluetooth 5.2 give modern wireless connectivity

Tower Workstation with Liquid Cooling

This Adamant Custom desktop arrives new in a tempered-glass tower cooled by a 360 mm liquid loop. A 24-core Intel Core i9-14900K running at 3.2 GHz with up to 6.00 GHz boost drives Windows 11 Pro. The Z790 TUF motherboard supplies WiFi6, Bluetooth 5.2 and 2.5 Gb Ethernet. Integrated graphics provide HDMI and DisplayPort video output.

Buyers needing integrated graphics only

The system suits developers, analysts and creators who rely on CPU compute and fast local storage. It ships with 128 GB of DDR5 memory expandable to 192 GB across four slots. Two 4 TB Samsung 990 PRO NVMe drives deliver 8 TB of solid-state capacity plus a 10 TB hard drive. Gamers or professionals requiring a discrete GPU should look elsewhere.

128 GB DDR5 memory capacity

The platform supports DDR5 modules only and maxes out at 192 GB. Populating all four slots with 32 GB sticks reaches that ceiling. Buyers planning larger memory arrays must choose a different motherboard or form factor.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $4,875.99
Pricier than about 85% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% of the 24,338 comparable items (median 32 GB).
SSD storage 8 TB NVMe
Higher than about 99% of the 24,468 comparable items (median 2 TB).

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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
GraphicsIntegrated Graphics
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 case clearance and mounting points does the 360 mm AIO liquid cooler require?

The 360 mm AIO mounts to the top of the Antec P20 mid-tower case; the case measures 469 mm deep, 220 mm wide and 490 mm high with front dust filters and three 120 mm front fans already installed.

Which motherboard headers and case connections must be attached during the AIO installation, and what step is often missed?

Connect the pump header to the CPU_FAN header on the Z790 TUF motherboard, plug the three radiator fans into the chassis fan headers, and route the front-panel USB 3.2 Gen 2 Type-C cable to the mid-board Type-C header — this internal Type-C link is the step most builders forget.

When will the AIO coolant or the 850 W PSU typically need replacement?

A sealed 360 mm AIO generally runs five to seven years before coolant degradation; the Thermaltake Smart 850 W 80 PLUS Bronze PSU with its Japanese main capacitor and 140 mm fan is rated for ten years of continuous use.

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