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Black desktop tower with tempered glass side panel, RGB fans, liquid CPU cooler, and RTX A400 graphics card

Adamant Custom

Adamant Custom Core Ultra 7 265K 64GB 8TB NVMe 10TB HDD RTX A400 Liquid Cooled Black business desktop

SKU CH-HDTM-54RX5

Business desktop with 20-core Intel Core Ultra 7 265K, 64GB DDR5, 8TB NVMe, 10TB HDD, RTX A400 graphics and liquid cooling

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7
  • RAM capacity64 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsNvidia RTX A400
  • CPU modelIntel Core Ultra 7 265K
  • 20-core Intel Core Ultra 7 265K CPU handles heavy workloads
  • 64GB DDR5 memory supports multitasking and large datasets
  • 8TB NVMe SSD plus 10TB HDD provides massive fast storage
  • Nvidia RTX A400 with four MiniDP outputs drives multiple displays
  • 240mm liquid cooler keeps temperatures low under sustained load

Workstation core and memory

This business desktop ships with a 20-core Intel Core Ultra 7 265K processor and 64GB of DDR5 memory. The CPU reaches 5.50 GHz boost clocks and includes 30 MB of L3 cache. A 240 mm liquid cooler keeps thermals in check under sustained loads.

Storage and graphics bundle

Dual 4 TB Samsung 990 PRO NVMe drives combine for 8 TB of fast solid-state capacity with sequential reads up to 7450 MB/s and writes up to 6900 MB/s. A 10 TB hard drive with 256 MB cache adds deep archival space. The Nvidia RTX A400 provides 4 GB of video memory and four Mini DisplayPort outputs.

Buyers needing more GPU power or fewer cores

Creative professionals who rely on heavy 3D rendering or large-model AI training will find the entry-level A400 limiting. Teams that require ECC memory, dual-GPU configurations or a rackmount chassis should evaluate workstation-class alternatives.

How it compares

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

Price $3,608.99
Cheaper than about 60% of the 2,161 comparable items (median $5,687.99).
RAM capacity 64 GB DDR5
Typical for this category: the median of 2,095 items is 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 useEducation
Product colorBlack
Processor
ProcessorIntel Core Ultra 7
CPU modelIntel Core Ultra 7 265K
CPU socketLGA 1851
Memory
RAM capacity64 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

Will the 240 mm liquid cooler need its coolant topped up or the pump replaced?

The 240 mm AIO is a sealed unit; no coolant top-ups are required and the pump is not user-serviceable.

Which component hits its limit first when the 20-core CPU runs at 5.50 GHz for hours?

The 750 W 80 PLUS Bronze PSU will reach its power ceiling before the liquid cooler or motherboard VRMs throttle.

How loud is the 140 mm PSU fan and the two 120 mm front fans when the system runs all day?

The PSU uses an ultra-quiet 140 mm fan and the front 120 mm fans are low-noise models; overall acoustics stay subdued under sustained load.

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