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

ASUS

ASUS TUF GT502 Ryzen 9 9900X3D RTX 5090 128GB DDR5 2TB NVMe Gaming PC

SKU CH-GR89-3BWFP

Liquid-cooled desktop with 12-core Ryzen 9 9900X3D, RTX 5090 32GB GDDR7, 128GB DDR5 and 2TB NVMe SSD

  • 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|2 TB SSD + 2 TB HDD

  • 12-core Ryzen 9 9900X3D at 4.4 GHz powers heavy workloads
  • 32 GB GDDR7 on RTX 5090 drives 4K and VR gaming
  • 128 GB DDR5 across four slots handles multitasking with ease
  • 240 mm liquid cooler keeps the CPU stable under load
  • 2 TB NVMe SSD provides fast storage for games and apps

Core platform

The ASUS TUF GT502 desktop is built around an AMD Ryzen 9 9900X3D 12-core processor running at 4.4 GHz base frequency on the AM5 socket. It targets enthusiasts who want a pre-built system ready for high-refresh gaming and heavy multitasking without assembling parts themselves. Buyers needing a smaller form factor or a lower power envelope should look elsewhere.

Memory and storage headroom

The system ships with 128 GB of DDR5 memory across four populated slots, leaving no free DIMM positions for simple expansion. The 2 TB NVMe SSD provides fast primary storage, though users with large media libraries or multiple AAA titles will need additional drives. The RTX 5090 contributes 32 GB of GDDR7 video memory for texture-heavy workloads at 4K and beyond.

Build integration

A 240 mm liquid cooler handles the CPU thermal load inside the GT502 chassis, while a 1200 W power supply feeds the GPU and platform. Windows 11 Home is pre-installed and the rig includes Wi-Fi and RGB lighting. Component brands may vary, so builders planning specific aesthetic matches should verify details before purchase.

Highlights

  • 12-core Ryzen 9 9900X3D at 4.4 GHz powers heavy workloads
  • 32 GB GDDR7 on RTX 5090 drives 4K and VR gaming
  • 128 GB DDR5 across four slots handles multitasking with ease
  • 240 mm liquid cooler keeps the CPU stable under load
  • 2 TB NVMe SSD provides fast storage for games and apps

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
SSD2TB NVMe
Storage Spec2TB 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

Can the Ryzen 9 9900X3D on AM5 use my existing DDR5 modules?

The system ships with 128GB DDR5 across four slots. If your modules match DDR5 speed and voltage they can be installed, but mixing kits may require manual timing adjustments in BIOS.

How do I verify the RTX 5090 32GB GDDR7 is running at full PCI Express x16 speed?

Open GPU-Z or Task Manager Performance tab and confirm the link width reads x16 and the memory shows 32GB GDDR7. A benchmark such as 3DMark Time Spy will also reflect full bandwidth.

What cooling and power items are included versus what I must add?

The box contains the GT502 chassis with 240mm liquid cooler, 1200W power supply, 2TB NVMe SSD, 128GB DDR5, RTX 5090 and Windows 11 Home. Only a monitor, keyboard, mouse and network cable or Wi-Fi connection are needed separately.

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