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

Adamant Custom

Adamant Custom Intel Core Ultra 9 285K 24-Core Liquid Cooled 128GB DDR5 8TB NVMe gaming PC

SKU CH-E03K-JPHX2

A 24-core Intel Core Ultra 9 285K desktop with liquid cooling, 128GB DDR5 and 8TB NVMe storage, running Windows 11 Pro

  • Release Year2026
  • Form FactorTower
  • AI FeaturesAI Ready
  • ColorBlack
  • Cooling SystemLiquid Cooling
  • Operating SystemWindows 11 Pro
  • 24-core Intel Core Ultra 9 285K delivers workstation-class multi-threaded performance
  • 128GB DDR5 high-performance memory handles large datasets and heavy multitasking
  • 8TB NVMe storage via dual Samsung 990 PRO drives reads up to 7450 MB/s
  • 360mm quiet-edition liquid cooler keeps the CPU cool under sustained loads
  • Wi-Fi 7 and Bluetooth 5.4 provide fast, low-latency wireless connectivity

System Purpose

The Adamant Custom tower is a liquid-cooled workstation desktop built around a 24-core Intel Core Ultra 9 285K processor and 128GB of DDR5 memory. It targets creators and professionals who need high multi-threaded throughput and large fast storage without a discrete graphics card.

Thermals Noise Power

A 360mm quiet-edition AIO cooler handles the CPU while four 140mm case fans run at 1500rpm and 30dBA each. The Thermaltake Smart 850W 80 PLUS Bronze supply delivers power with Japanese main capacitors and over-voltage, under-voltage, over-power and short-circuit protection.

Build Integration

The Ceres 300 mid-tower measures 475 x 245 x 463mm and offers one 3.5-inch or two 2.5-inch drive bays plus four M.2 slots on the Z890 TUF motherboard. Rear I/O includes Thunderbolt 4 Type-C, USB 20Gbps Type-C, three USB 10Gbps and three USB 5Gbps ports alongside Intel 2.5Gb Ethernet, Wi-Fi 7 and Bluetooth 5.4.

Highlights

  • 24-core Intel Core Ultra 9 285K delivers workstation-class multi-threaded performance
  • 128GB DDR5 high-performance memory handles large datasets and heavy multitasking
  • 8TB NVMe storage via dual Samsung 990 PRO drives reads up to 7450 MB/s
  • 360mm quiet-edition liquid cooler keeps the CPU cool under sustained loads
  • Wi-Fi 7 and Bluetooth 5.4 provide fast, low-latency wireless connectivity

Specifications

Release Year2026
Form FactorTower
AI FeaturesAI Ready
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core Ultra 9 (Series 2)
CPU NameIntel Core Ultra 9 285K
CPU Socket TypeLGA 1851
GPU/VGA TypeIntegrated Graphics
Memory Capacity128GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD8TB NVMe
HDDNo
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 do I install the 360 mm AIO liquid cooler, and which step is most often missed?

Mount the radiator to the case top or front using the included brackets, attach the pump block to the LGA 1851 socket with the supplied back-plate, then connect the pump header and fan headers to the Z890 motherboard; the step most often missed is plugging the pump into the dedicated AIO_PUMP header instead of a standard CPU_FAN header

What maintenance or replacement will the liquid cooler need later?

The sealed 360 mm AIO is maintenance-free for its service life; if pump noise or temperatures rise after several years, the entire cooler assembly must be replaced as the loop cannot be refilled

What limit appears first under sustained load on the Core Ultra 9 285K with this cooling?

The 24-core processor can reach 5.70 GHz boost, but prolonged all-core workloads will hit the thermal capacity of the 360 mm radiator first, causing clock speeds to settle below maximum turbo to keep temperatures in check

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