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MSI GeForce RTX 4080 Ventus 3X triple-fan graphics card with dark metal shroud and backplate

MSI

MSI GeForce RTX 4080 Ventus 3X 16GB GDDR6X graphics card

SKU CH-NYA6-PKNXE

Triple-fan GeForce RTX 4080 with 16 GB GDDR6X memory, 9728 CUDA cores, HDMI 2.1 and three DisplayPort 1.4a outputs

  • InterfacePCI Express 4.0
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 40 Series
  • GPUGeForce RTX 4080
  • CUDA Cores9728
  • Memory Size16GB
  • 16 GB GDDR6X memory handles 4K textures and heavy workloads
  • 9728 CUDA cores accelerate rendering, AI and compute tasks
  • Triple-fan cooler keeps the 320 W GPU running at stable temperatures
  • HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four 8K displays
  • PCI Express 4.0 x16 interface delivers full bandwidth to the RTX 4080 chipset

16GB GDDR6X graphics card

The MSI GeForce RTX 4080 Ventus 3X 16GB GDDR6X graphics card targets enthusiasts and professionals who need high frame rates at 4K resolution. It uses the NVIDIA Ada Lovelace architecture with 9728 CUDA cores and 16GB of memory on a 256-bit bus. The triple-fan cooler keeps the 320W TDP GPU within thermal limits.

PCI Express 4.0 interface limits

The card connects via a PCI Express 4.0 x16 slot, providing up to 32 GB/s of theoretical bandwidth in each direction. Older motherboards limited to PCI Express 3.0 will halve that ceiling, which can affect texture streaming in memory-heavy workloads. A 750W power supply is recommended to support the 320W board power plus the rest of the system.

16GB memory capacity decision

The 16GB GDDR6X frame buffer is the specification that determines suitability for 4K gaming, 3D rendering and large dataset inference. Workloads that exceed this capacity will spill to system memory and lose performance. Buyers should match the 16GB capacity to their target resolution and asset complexity.

Highlights

  • 16 GB GDDR6X memory handles 4K textures and heavy workloads
  • 9728 CUDA cores accelerate rendering, AI and compute tasks
  • Triple-fan cooler keeps the 320 W GPU running at stable temperatures
  • HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four 8K displays
  • PCI Express 4.0 x16 interface delivers full bandwidth to the RTX 4080 chipset

Specifications

BrandMSI
SeriesVentus
ModelRTX 4080 16GB VENTUS 3X
InterfacePCI Express 4.0
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 40 Series
GPUGeForce RTX 4080
CUDA Cores9728
Memory Size16GB
Memory Interface256-Bit
Memory TypeGDDR6X
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI1 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4a
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power320W
Recommended PSU Wattage750W
Power Connector1 x 16-Pin
Max GPU Length322 mm

Questions about this item

Which 16GB version of the RTX 4080 Ventus 3X should I choose?

The card is offered as a single 16GB GDDR6X model on a 256-bit bus with 9728 CUDA cores, so there is no alternative capacity or memory configuration to select.

What does the 320W power rating mean once the card is installed in my PC?

It sets the thermal design power the cooler must handle; pair it with at least a 750W PSU and ensure your case airflow can move that heat away from the triple-fan shroud.

How does the PCI Express 4.0 interface cap performance in practice?

The x16 PCIe 4.0 link provides the full bandwidth the GPU expects; on a PCIe 3.0 motherboard the slot halves that ceiling, which can limit peak throughput in bandwidth-heavy workloads.

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