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Gigabyte C301 glass side-panel tower with RGB lighting

ArsenalPC

ArsenalPC Gigabyte C301 GLASS Core Ultra 7 265KF RTX 5070 4TB 128GB DDR5 850W liquid cooled gaming PC

SKU CH-TREZ-AWT7Y

A liquid-cooled desktop with a 20-core 5.4 GHz processor, RTX 5070 12 GB GDDR7 graphics, 128 GB DDR5 memory and a 4 TB NVMe SSD

  • CPU TypeIntel Core Ultra 7 Series 2
  • CPU NameIntel Core Ultra 7 265KF
  • Installed Qty1
  • Max Supported Qty1
  • CPU Base Frequency5.4GHz
  • CPU Socket TypeLGA 1851

CPU Intel Core Ultra 7 265KF

Video Card GeForce RTX 5070

Memory|Storage 128GB DDR5|4TB SSD

  • 20-core Intel Core Ultra 7 265KF at 5.4GHz powers demanding games and creative work
  • 12GB GDDR7 on the RTX 5070 drives high-frame-rate 1440p and 4K gaming
  • 128GB DDR5 across four slots handles heavy multitasking and large assets
  • 4TB NVMe SSD stores a massive library with fast load times
  • 240mm liquid cooler and 850W supply keep thermals stable under sustained load

System configuration

This ArsenalPC desktop pairs an Intel Core Ultra 7 265KF 20-core processor running at 5.4GHz with a GeForce RTX 5070 graphics card holding 12GB GDDR7 memory. The platform includes 128GB DDR5 RAM across four slots and a 4TB NVMe SSD. It targets gamers and creators who need high core counts and modern GPU memory bandwidth in a ready-to-use Windows 11 Home system.

Thermals and power

A 240mm liquid cooler handles the CPU thermal load while the 850W power supply feeds the complete build. The liquid loop keeps the 20-core processor at stable temperatures during sustained workloads. The power unit provides headroom for the RTX 5070 and all installed components without requiring an external upgrade.

Included extras

The Gigabyte C301 GLASS chassis adds tempered glass panels and RGB lighting for visual customisation. Integrated WiFi removes the need for a separate network adapter. Windows 11 Home is pre-installed and the system ships tested, so the machine is operational immediately after unboxing.

Highlights

  • 20-core Intel Core Ultra 7 265KF at 5.4GHz powers demanding games and creative work
  • 12GB GDDR7 on the RTX 5070 drives high-frame-rate 1440p and 4K gaming
  • 128GB DDR5 across four slots handles heavy multitasking and large assets
  • 4TB NVMe SSD stores a massive library with fast load times
  • 240mm liquid cooler and 850W supply keep thermals stable under sustained load

Specifications

CPU TypeIntel Core Ultra 7 Series 2
CPU NameIntel Core Ultra 7 265KF
Installed Qty1
Max Supported Qty1
CPU Base Frequency5.4GHz
CPU Socket TypeLGA 1851
CPU Main Features64 bit 20-Core Processor
GPU/VGA TypeNVIDIA GeForce RTX 5070
GPU Memory12GB GDDR7
Graphics CardGeForce RTX 5070
Graphics InterfacePCI Express x16
Virtual Reality ReadyYes
Memory Capacity128GB DDR5
Memory SpeedDDR5
Form FactorDesktop
Memory Slot (Total)4
Memory Slots (Available/Total)4
SSD4TB NVMe
Storage Spec4TB SSD
Operating SystemWindows 11 Home
Power Supply850W
GraphicsRTX 5070
TypeGaming & Entertainment
AI FeaturesAI Ready
UsageConsumer
ColorBlack
ProcessorCore Ultra 7 265KF
Processor Main Features64 bit 20-Core Processor
Memory128 GB
AudioSound card - Integrated
Ethernet2.5G Ethernet
Wireless CardYes
CaseGigabyte C301 GLASS
Cooling SystemLiquid Cooling
Windows 11Ready
Special FeaturesRGB Lighting
WiFi GenerationWi-Fi 802.11 ax
WLANWi-Fi 802.11 ax
BluetoothBluetooth 5.3
BrandArsenalPC
ChipsetIntel LGA 1851
Motherboard NameLGA 1851 Motherboard WIFI DDR5
Screen SizeNo Screen
Front USB2
Video Ports1 x HDMI 2.1b, 3 x DisplayPort 2.1b
Rear USB8
RJ451 port
Package TypeRetail

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the 240 mm liquid cooler in the Gigabyte C301 GLASS case and what step is often missed?

Mount the radiator to the case fan positions, connect the pump header to the CPU_FAN connector on the LGA 1851 motherboard, and plug the ARGB cable into the board’s 5 V header so the RGB lighting syncs with Windows 11.

What maintenance will the 240 mm liquid cooler and 850 W power supply need later?

Dust the radiator fins and case filters every few months; the sealed 240 mm loop requires no fluid changes, and the 850 W PSU fan bearings are the only moving parts that may eventually need replacement.

Which limit appears first when the Core Ultra 7 265KF and RTX 5070 run sustained loads?

The 240 mm radiator reaches thermal saturation before the 850 W power supply hits its output ceiling, making coolant temperature the practical bottleneck during extended gaming.

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