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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

  • Graphics processorGeForce RTX 4080
  • Memory capacity16 GB
  • Interface typePCI Express 4.0
  • CUDA core count9728
  • Highest resolution7680 × 4320
  • Type of memoryGDDR6X
  • 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.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $1,350.99
Pricier than about 90% of the 4,285 comparable items (median $354.99).
Memory capacity 16 GB
Higher than about 80% of the 3,563 comparable items (median 8 GB).
CUDA core count 9728
Higher than about 87% of the 1,946 comparable items (median 4,352).

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Specifications

Product
Brand nameMSI
Product lineVentus
Model nameRTX 4080 16 GB VENTUS 3X
Processor
TDP rating320 W
Memory
Type of memoryGDDR6X
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 4080
Memory capacity16 GB
CUDA core count9728
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 40 Series
Memory bus width256-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Ports & slots
Interface typePCI Express 4.0
HDMI ports1 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Recommended power supply750 W
Power input connector1 × 16-Pin
Size & build
Max graphics card length322 mm
More details
Cooling solutionTriple Fans

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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