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Black mid-tower gaming desktop with tempered glass side panel and liquid cooling visible inside

Adamant Custom

Adamant Custom Intel Core Ultra 9 285K 64GB DDR5 4TB NVMe RTX 5080 Gaming PC

SKU CH-PV6Z-Z921V

A 24-core Intel Core Ultra 9 desktop with 64GB DDR5, 4TB NVMe storage and an RTX 5080 GPU, liquid-cooled in a mid-tower chassis running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5080
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy workloads
  • 64 GB DDR5 memory with four slots expandable to 192 GB
  • 4 TB Samsung 990 PRO NVMe delivers 7450 MB/s read and 6900 MB/s write
  • RTX 5080 16 GB graphics for high-resolution gaming and AI tasks
  • 360 mm liquid cooler and 1000 W 80 PLUS Gold PSU keep thermals stable

Purpose-built workstation

The Adamant Custom desktop pairs a 24-core Intel Core Ultra 9 285K with an Nvidia GeForce RTX 5080 16GB GPU and 64GB DDR5 memory. It targets creators and engineers who need strong single-thread speed plus hardware-accelerated AI compute in a single mid-tower chassis.

Capacity and headroom

The 4TB Samsung 990 PRO PCIe 4.0x4 NVMe drive delivers up to 7450 MB/s reads and 6900 MB/s writes, keeping large project files and model weights local. Four DIMM slots support up to 192GB total DDR5, so memory can grow well beyond the factory 64GB when workloads demand it.

Build integration

A 360mm liquid cooler and 1000W 80 PLUS Gold PSU handle the 285K and RTX 5080 thermals and power draw without extra parts. The Gigabyte Z890 Eagle motherboard adds Wi-Fi 7, Bluetooth5.4, 2.5Gb Ethernet, USB4 and four M.2 slots, while the case provides two 3.5-inch and two 2.5-inch bays for future storage expansion.

How it compares

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

Price $4,837.99
Pricier than about 84% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).
SSD storage 4 TB NVMe
Higher than about 70% of the 24,468 comparable items (median 2 TB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Year of release2026
Product colorBlack
Processor
ProcessorIntel Core Ultra 9 (Series 2)
CPU modelIntel Core Ultra 9 285K
CPU socketLGA 1851
Memory
RAM capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage4 TB NVMe
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5080
Audio & video
Audio chipIntegrated
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 7
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11be Wireless LAN
Bluetooth support5.4
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

Can I add more DDR5 memory later to reach the 192 GB limit using the four total slots?

Yes, the motherboard has four DDR5 slots and supports up to 192 GB total, so you can populate the remaining slots with compatible DDR5 modules to expand beyond the installed 64 GB.

How can I verify the RTX 5080 is running at full performance after I set up the PC?

Open the NVIDIA control panel or GPU-Z to confirm the RTX 5080 16 GB is detected, then run a benchmark or game and check that GPU utilisation reaches near 100 % with expected clock speeds.

What components are included in the box and what must I provide myself?

The system ships fully assembled with the Intel Core Ultra 9 285K, 64 GB DDR5, 4 TB Samsung 990 PRO NVMe, RTX 5080 16 GB, 360 mm liquid cooler, 1000 W 80 PLUS Gold PSU, Windows 11 Pro, Wi-Fi 7 and Bluetooth 5.4; you only need a monitor, keyboard and mouse.

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