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Black mid-tower desktop with tempered glass side panel and ARGB lighting

Adamant Custom

Adamant Custom Gaming PC Core Ultra 7 265K 64GB DDR5 8TB NVMe 10TB HDD RTX 5090 32GB

SKU CH-PMJS-4W2GF

High-performance gaming desktop with a 20-core Intel Core Ultra 7 265K, 64GB DDR5, 8TB NVMe, 10TB HDD and an RTX 5090 32GB GPU

  • Release Year2026
  • TypeGaming & Entertainment
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageBusiness
  • ColorBlack
  • 20-core Intel Core Ultra 7 265K reaches 5.50 GHz for heavy multitasking
  • 64 GB DDR5 memory handles large datasets and high-resolution assets
  • 8 TB NVMe storage via dual 4 TB Samsung 990 PRO drives loads projects fast
  • NVIDIA GeForce RTX 5090 32 GB GPU accelerates rendering and AI workloads
  • 240 mm liquid cooler keeps CPU temperatures low under sustained loads

20-Core Intel Core Ultra 7 265K Workstation

This desktop combines a 20-core Intel Core Ultra 7 265K processor with 64GB of DDR5 memory and an Nvidia GeForce RTX 5090 32GB graphics card. It targets professionals who need high single-thread speed and massive parallel throughput for rendering, modelling and AI learning workloads. The system ships with Windows 11 Pro installed and uses a 240mm liquid cooler on the CPU.

Sustained Load Behaviour With Liquid Cooling

The 240mm quiet-edition AIO cooler and case airflow from four 140mm fans running at 1500rpm are designed to keep the 20-core processor near its 5.50 GHz boost frequency during extended rendering or compute sessions. A 1000W 80 PLUS Gold power supply with Japanese main capacitors delivers stable current to the GPU and CPU without throttling. Realtek 7.1 surround audio and Intel 2.5Gb Ethernet remain active under load.

PCIe 4.0 Storage And Connectivity Limits

Two Samsung 990 PRO 4TB drives operate at PCIe 4.0x4, reaching sequential reads up to 7450 MB/sec and writes up to 6900 MB/sec; the 10TB hard drive adds 256MB cache for bulk archives. The Z890 motherboard provides four M.2 slots and four SATA 6Gb/s ports for further expansion. Rear I/O includes Thunderbolt 4, USB 20Gbps and 10Gbps Type-C ports, while mid-board headers add USB 20Gbps, 5Gbps and 2.0 connections. Wi-Fi 7 2x2 and Bluetooth 5.4 handle wireless traffic.

Highlights

  • 20-core Intel Core Ultra 7 265K reaches 5.50 GHz for heavy multitasking
  • 64 GB DDR5 memory handles large datasets and high-resolution assets
  • 8 TB NVMe storage via dual 4 TB Samsung 990 PRO drives loads projects fast
  • NVIDIA GeForce RTX 5090 32 GB GPU accelerates rendering and AI workloads
  • 240 mm liquid cooler keeps CPU temperatures low under sustained loads

Specifications

Release Year2026
TypeGaming & Entertainment
Form FactorDesktop
AI FeaturesAI Ready
UsageBusiness
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 Capacity64GB 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

How loud is the Ceres 300 case when the 140 mm fans run at 1500 rpm all day?

The front and rear 140 mm fans are rated at 30 dBA each at 1500 rpm, so the system stays quiet under sustained load.

Does the motherboard need a separate Wi-Fi card or is WiFi7 built in?

The Z890 TUF board includes WiFi7 2x2 and Bluetooth5.4 on board, so no extra card is required.

Will the Thunderbolt 4 Type-C port on the rear I/O work with my older Thunderbolt 3 dock?

Yes, Thunderbolt 4 is backward compatible with Thunderbolt 3 devices using the same USB-C connector.

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