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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

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • Memory size128 GB
  • Graphics memory32 GB GDDR7
  • SSD storage2 TB NVMe
  • ChipsetAMD AM5

CPU AMD Ryzen 9 9900X

Memory 128GB DDR5

Storage 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.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $7,254.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
Memory size 128 GB
Higher than about 80% of the 11,703 comparable items (median 32 GB).
Graphics memory 32 GB GDDR7
Higher than about 91% of the 10,551 comparable items (median 16 GB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameArsenalPC
Product typeGaming & Entertainment
Recommended useConsumer
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPURyzen 9 9900X
CPU modelAMD Ryzen 9 9900X
CPU socketAM5
ChipsetAMD AM5
Base clock speed4.4 GHz
Installed motherboardAM5 Motherboard WIFI DDR5
Memory
Memory size128 GB
RAM capacity128 GB DDR5
RAM type and speedDDR5
Total memory slots4
Memory slots4
Storage
SSD storage2 TB NVMe
Storage configuration2 TB SSD
Display
Screen sizeNo Screen
Graphics
Graphics memory32 GB GDDR7
GraphicsNVIDIA GeForce RTX 5090
GPURTX 5090
GPU modelGeForce RTX 5090
GPU interfacePCI Express x16
VR readyYes
Audio & video
SoundSound card - Integrated
Connectivity
Wi-Fi standardWi-Fi 6E
Wired network2.5G Ethernet
Wireless adapterYes
Wi-FiWi-Fi 6E
Bluetooth support5.3
Ports & slots
Front USB ports2
Video connectors1 x HDMI 2.1b, 3 x DisplayPort 2.1b
Rear USB ports6
Ethernet port1 port
Power
Power supply1200 W
Size & build
Form factorDIMM 288-pin
ChassisMSI GUNGNIR 110R
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Home
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Other versions of this model

5 more in the same range

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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