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Black mid-tower gaming desktop with RGB lighting and liquid cooling

ArsenalPC

ArsenalPC MSI GUNGNIR 110R Ryzen 9 9900X RTX 5090 128GB DDR5 2TB NVMe Liquid Cooled Gaming PC

SKU CH-R260-61N4Y

Liquid-cooled Ryzen 9 9900X with RTX 5090, 128 GB DDR5 and 2 TB NVMe in an MSI GUNGNIR 110R case

  • TypeGaming & Entertainment
  • Form FactorDIMM 288-pin
  • AI FeaturesAI Ready
  • UsageConsumer
  • ColorBlack
  • ProcessorRyzen 9 9900X

CPU AMD Ryzen 9 9900X

Video Card GeForce RTX 5090

Memory|Storage 128GB DDR5|2TB SSD

  • 12-core Ryzen 9 9900X at 4.4 GHz powers heavy workloads
  • 32 GB GDDR7 on RTX 5090 drives 4K and AI tasks
  • 128 GB DDR5 memory handles extreme multitasking
  • 2 TB NVMe SSD loads games and apps fast
  • 240 mm liquid cooler keeps temperatures low under load

Built for 4K and AI workloads

This ArsenalPC desktop pairs a 12-core Ryzen 9 9900X processor running at 4.4 GHz with an RTX 5090 graphics card equipped with 32 GB of GDDR7 memory. The platform targets enthusiasts who need high frame rates at 4K resolution and developers running local AI models that demand large video memory. A 1200 W power supply and 240 mm liquid cooler support sustained operation of both components.

Pre-built with standard ATX layout

The system arrives fully assembled inside the MSI GUNGNIR 110R case with Windows 11 Home installed. Memory uses 288-pin DDR5 DIMMs totalling 128 GB, while storage is handled by a 2 TB NVMe SSD. Builders should verify case clearance for future GPU upgrades and ensure the motherboard’s AM5 socket matches any planned CPU changes. Integrated audio and 2.5G Ethernet handle baseline connectivity.

Liquid cooling manages prolonged sessions

The 240 mm liquid cooler keeps the 12-core processor at stable temperatures during extended rendering or gaming sessions, avoiding the throttle points common with air coolers under continuous load. The 1200 W unit delivers consistent power to the RTX 5090 and CPU without voltage droop. RGB lighting adds visual feedback but does not affect thermal performance.

Highlights

  • 12-core Ryzen 9 9900X at 4.4 GHz powers heavy workloads
  • 32 GB GDDR7 on RTX 5090 drives 4K and AI tasks
  • 128 GB DDR5 memory handles extreme multitasking
  • 2 TB NVMe SSD loads games and apps fast
  • 240 mm liquid cooler keeps temperatures low under load

Specifications

BrandArsenalPC
TypeGaming & Entertainment
Form FactorDIMM 288-pin
AI FeaturesAI Ready
UsageConsumer
ColorBlack
ProcessorRyzen 9 9900X
Processor Main Features64 bit 12-Core Processor
Memory128 GB
GraphicsRTX 5090
AudioSound card - Integrated
Ethernet2.5G Ethernet
Wireless CardYes
Power Supply1200W
CaseMSI GUNGNIR 110R
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Home
Windows 11Ready
Special FeaturesRGB Lighting
ChipsetAMD AM5
Motherboard NameAM5 Motherboard WIFI DDR5
CPU TypeAMD Ryzen 9 9000 Series
Installed Qty1
Max Supported Qty1
CPU NameAMD Ryzen 9 9900X
CPU Base Frequency4.4GHz
CPU Socket TypeAM5
CPU Main Features64 bit 12-Core Processor
GPU/VGA TypeNVIDIA GeForce RTX 5090
GPU Memory32GB GDDR7
Graphics CardGeForce RTX 5090
Graphics InterfacePCI Express x16
Virtual Reality ReadyYes
Memory Capacity128GB DDR5
Memory SpeedDDR5
Memory Slot (Total)4
Memory Slots (Available/Total)4
SSD2TB NVMe
Storage Spec2TB SSD
Screen SizeNo Screen
WLANWi-Fi 6E
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.3
Front USB2
Video Ports1 x HDMI 2.1b, 3 x DisplayPort 2.1b
Rear USB6
RJ451 port
Package TypeRetail

Other versions of this model

5 more in the same range

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

Questions about this item

How do I confirm the 12-core Ryzen 9 9900X and RTX 5090 are running correctly after unboxing?

Boot into Windows 11 Home, open Task Manager to verify 12 cores at 4.4 GHz, then run GPU-Z to confirm the RTX 5090 shows 32 GB GDDR7.

What components are included and is any essential hardware sold separately?

The MSI GUNGNIR 110R case holds the 240 mm liquid cooler, 2 TB NVMe SSD, 128 GB DDR5, 1200 W PSU, 2.5G Ethernet, Wi-Fi and Windows 11 Home — no extra parts are required to start.

Which memory capacity matches the 128 GB DDR5 specification for this build?

This system ships with 128 GB DDR5 installed across the 288-pin DIMM slots on the AM5 chipset, providing the full capacity listed.

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