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

Adamant Custom

Adamant Custom 20-Core Liquid Cooled Intel Core Ultra 7 265K 32GB DDR5 8TB NVMe 10TB HDD RTX 5090 Gaming PC

SKU CH-XRRN-MXWS0

A 20-core liquid-cooled desktop with 32GB DDR5, 8TB NVMe plus 10TB HDD, and an RTX 5090 GPU for high-end gaming and creative workloads

  • Release Year2026
  • TypeGaming & Entertainment
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageGaming
  • ColorBlack
  • 20-core Intel Core Ultra 7 265K drives high-frame-rate gaming and heavy multitasking
  • 240 mm liquid cooler keeps the CPU quiet under sustained loads
  • 32 GB DDR5 memory feeds bandwidth-hungry applications and future upgrades
  • 8 TB NVMe SSD plus 10 TB HDD stores massive game libraries and media projects
  • GeForce RTX 5090 32 GB delivers 4K ray-traced performance and AI acceleration

20-Core Liquid-Cooled Gaming Desktop

The Adamant Custom system pairs a 20-core Intel Core Ultra 7 265K processor with an Nvidia GeForce RTX 5090 graphics card. Thirty-two gigabytes of DDR5 memory and an 8 TB NVMe SSD array provide fast throughput for modern titles and creative workloads. A 10 TB mechanical drive adds deep bulk storage. The chassis uses a 240 mm liquid cooler and ships with Windows 11 Pro installed.

Motherboard Connectivity And Power Checks

The Z890 TUF motherboard uses an LGA 1851 socket, so verify that any existing cooler mounting hardware supports this pattern. Rear I/O includes one Thunderbolt 4 Type-C port, one USB 20 Gbps Type-C, three USB 10 Gbps and three USB 5 Gbps ports plus 2.5 Gb Ethernet. Internal headers add another USB 20 Gbps Type-C, one USB 5 Gbps, two USB 2.0 headers, four SATA 6 Gb/s and four M.2 slots. The included 1000 W 80 PLUS Gold power supply uses Japanese main capacitors and provides over-voltage, under-voltage, over-power and short-circuit protection.

Sustained Load Thermal Behaviour

A 240 mm quiet-edition liquid cooler handles the CPU while the case moves air through two front and one rear 140 mm fans rated at 1500 rpm and 30 dBA each. This airflow path is designed to keep coolant temperatures stable during extended gaming or rendering sessions. The RTX 5090 carries 32 GB of video memory and its own cooling assembly, so GPU thermals remain independent of the CPU loop. Together the liquid and air subsystems aim for consistent clock speeds without thermal throttling over long periods.

Highlights

  • 20-core Intel Core Ultra 7 265K drives high-frame-rate gaming and heavy multitasking
  • 240 mm liquid cooler keeps the CPU quiet under sustained loads
  • 32 GB DDR5 memory feeds bandwidth-hungry applications and future upgrades
  • 8 TB NVMe SSD plus 10 TB HDD stores massive game libraries and media projects
  • GeForce RTX 5090 32 GB delivers 4K ray-traced performance and AI acceleration

Specifications

Release Year2026
TypeGaming & Entertainment
Form FactorDesktop
AI FeaturesAI Ready
UsageGaming
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core Ultra 7
CPU NameIntel Core Ultra 7 265K
CPU Socket TypeLGA 1700
GPU/VGA TypeGeForce RTX 5090
Memory Capacity32GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD8TB NVMe
HDD10TB
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
Audio Channels7.1 channels
LAN ChipsetIntegrated
LAN Speed2.5Gbps
WLAN802.11be Wireless LAN
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
RJ451 port

Questions about this item

Does the PC arrive with the 8 TB NVMe SSD and 10 TB HDD already installed, or do I need to add storage myself?

The system ships with two 4 TB Samsung 990 PRO M.2 SSDs configured as an 8 TB NVMe array and a 10 TB 3.5-inch hard drive with 256 MB cache pre-installed in the Ceres 300 case.

The motherboard has four DDR5 slots — should I populate all four now or start with the supplied 32 GB kit?

The board supports up to 192 GB across four slots; the included 32 GB high-performance kit occupies two slots, leaving two free for future expansion without removing the original modules.

With the RTX 5090 32 GB and 1000 W Gold PSU, will the graphics card run at full boost clocks under sustained load?

The Thermaltake Toughpower 1000 W 80 PLUS Gold unit with Japanese main capacitors and a 140 mm quiet fan is rated to deliver stable power for the RTX 5090 32 GB during extended gaming or rendering sessions.

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