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ASUS TUF GT502 mid-tower chassis with RGB lighting and liquid cooling visible

ASUS

ASUS TUF GT502 Liquid Cooled Ryzen 9 9900X3D RTX 5090 128GB DDR5 4TB NVMe Gaming PC

SKU CH-MW22-B7H7J

Liquid-cooled gaming desktop with a 12-core 4.4 GHz Ryzen 9 9900X3D, RTX 5090 32 GB GDDR7, 128 GB DDR5 and 4 TB NVMe storage

  • CPU TypeAMD Ryzen 9 9000 Series
  • CPU NameAMD Ryzen 9 9900X3D
  • Installed Qty1
  • Max Supported Qty1
  • CPU Base Frequency4.4GHz
  • CPU Socket TypeAM5

CPU AMD Ryzen 9 9900X3D

Struck-through versions exist but are not stocked here.

Video Card Geforce RTX 5090

Memory|Storage 128GB DDR5|4 TB SSD + 2 TB HDD

  • 12-core Ryzen 9 9900X3D at 4.4GHz powers heavy workloads
  • 240mm liquid cooler keeps CPU temperatures controlled
  • RTX 5090 with 32GB GDDR7 drives 4K gaming
  • 128GB DDR5 across four slots handles multitasking
  • 4TB NVMe SSD stores a large game library

ASUS TUF GT502 Liquid Cooled Desktop

The ASUS TUF GT502 is a pre-built gaming desktop powered by an AMD Ryzen 9 9900X3D 12-core processor running at 4.4GHz. It pairs that CPU with an NVIDIA GeForce RTX 5090 graphics card holding 32GB GDDR7 memory. The system includes 128GB DDR5 RAM and a 4TB NVMe SSD. Windows 11 Home comes installed and the unit is liquid cooled with a 240mm radiator. It targets enthusiasts who want a ready-to-play machine for 4K gaming and heavy content creation.

1200W PSU and Factory Assembly Benefits

A 1200W power supply drives the high-end components without requiring a separate purchase or cable management effort. The 240mm liquid cooler arrives pre-filled and mounted, removing the risk of installation leaks or uneven thermal paste application. WiFi and RGB lighting are integrated into the chassis, so no extra adapters or controllers are needed. The PC ships tested, so first boot goes straight to the desktop instead of a troubleshooting session.

AM5 Platform and Memory Constraints

The motherboard uses the AM5 socket with four DDR5 slots, all populated to reach 128GB. Buyers planning future memory upgrades must replace existing modules rather than add to empty slots. The 4TB NVMe drive occupies one M.2 slot; additional storage requires verifying spare M.2 or 2.5-inch bays inside the GT502 case. Component brands may vary from the images shown, so confirm exact part numbers if specific vendor firmware matters to your workflow.

Highlights

  • 12-core Ryzen 9 9900X3D at 4.4GHz powers heavy workloads
  • 240mm liquid cooler keeps CPU temperatures controlled
  • RTX 5090 with 32GB GDDR7 drives 4K gaming
  • 128GB DDR5 across four slots handles multitasking
  • 4TB NVMe SSD stores a large game library

Specifications

CPU TypeAMD Ryzen 9 9000 Series
CPU NameAMD Ryzen 9 9900X3D
Installed Qty1
Max Supported Qty1
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
Form FactorDesktop
Memory Slot (Total)4
Memory Slots (Available/Total)4
SSD4TB NVMe
Storage Spec4TB SSD
Operating SystemWindows 11 Home
Power Supply1200W
GraphicsRTX 5090
TypeGaming & Entertainment
AI FeaturesAI Ready
UsageConsumer
ColorBlack
ProcessorRyzen 9 9900X3D
Processor Main Features64 bit 12-Core Processor
Memory128 GB
AudioSound card - Integrated
Ethernet2.5G Ethernet
Wireless CardYes
CaseASUS TUF GT502
Cooling SystemLiquid Cooling
Windows 11Ready
Special FeaturesRGB Lighting
WiFi GenerationWi-Fi 6
WLANWi-Fi 6
BluetoothBluetooth 5.2
BrandASUS
ChipsetAMD AM5
Motherboard NameASUS AM5 Motherboard WIFI DDR5
Screen SizeNo Screen
Front USB2
Video Ports1 x HDMI 2.1b, 3 x DisplayPort 2.1b
Rear USB9
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

Will the 240 mm liquid cooler on the Ryzen 9 9900X3D need coolant replacement or pump service later?

The 240 mm liquid cooler is a sealed unit; no coolant replacement is required, and the pump is rated for continuous operation without user service.

What limits the GeForce RTX 5090 first during extended 4K gaming sessions?

The GPU's 32 GB GDDR7 frame buffer and thermal ceiling of the 240 mm cooler become the limiting factors under sustained 4K load.

How loud and hot does the 1200 W power supply get when the system runs all day?

The 1200 W supply operates within its efficiency curve, so fan noise stays low and exhaust heat remains manageable during continuous use.

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