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Full-length dual-slot graphics card in silver and black with four DisplayPort outputs

NVIDIA

NVIDIA RTX A4500 20G graphics card

SKU CH-KT49-WFB1V

Professional GPU with 7168 CUDA cores, 20 GB GDDR6 ECC memory on a 320-bit bus, 56 RT cores, 224 Tensor cores and four DisplayPort 1.4 outputs for multi-display 4K and 8K workflows

  • Chipset makerNVIDIA
  • 7168 CUDA cores deliver 23.7 TFLOPS for efficient modeling and rendering
  • 20 GB GDDR6 with ECC and 696 GB/s bandwidth ensures stable large-dataset processing
  • 56 RT cores provide powerful ray tracing for cinematic lighting and shadows
  • 224 Tensor cores supply 189.2 TFLOPS AI compute to accelerate rendering and post-production
  • Four DisplayPort 1.4 outputs support multi-display 4K and 8K for professional workflows

Professional graphics for modeling and rendering

The NVIDIA RTX A4500 20G is built for engineers and artists who need stable performance in 3D modeling, rendering and video post-production. Its Ampere architecture provides 7168 CUDA cores delivering 23.7 TFLOPS of single-precision compute. The card targets workflows that demand accuracy over raw gaming speed.

Thermals noise and power in professional workloads

The 20GB GDDR6 memory with ECC runs on a 320-bit bus providing 696 GB/s bandwidth for large dataset integrity. A PCI Express 4.0 x16 link supplies 640 GB/s system bandwidth to keep data moving. Typical professional loads keep thermals and acoustic output within workstation limits without throttling.

20GB GDDR6 ECC memory decides fit

The 20GB frame buffer with error correction is the single specification that determines suitability for complex scenes and high-resolution textures. Four DisplayPort 1.4 outputs drive multi-display 4K and 8K setups. 56 RT cores and 224 Tensor cores accelerate ray-traced lighting and AI-assisted rendering at 189.2 TFLOPS.

How it compares

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

Price $1,067.99
Pricier than about 88% of the 4,285 comparable items (median $354.99).

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Specifications

Product
Brand nameNVIDIA
Product lineNVIDIA RTX A4500 20G
Model nameNVIDIA RTX A4500 20G
Graphics
Chipset makerNVIDIA

Questions about this item

How do I install the RTX A4500 20G and what step do builders often miss?

Seat the card in a PCI Express 4.0 x16 slot, connect the required auxiliary power cables, and install the latest NVIDIA driver before launching any workload; the step most often missed is forgetting the driver install after physical seating.

What maintenance or replacement will the 20GB GDDR6 ECC memory need over time?

The GDDR6 ECC memory is soldered to the board and has no user-serviceable parts; if a memory fault develops the entire card must be replaced, so keep the chassis filters clean to maximise its lifespan.

What limit appears first when the 7168 CUDA cores run a sustained 23.7 TFLOPS workload?

The 320-bit memory subsystem delivering 640 GB/s bandwidth becomes the bottleneck before the compute units saturate, so memory-bound tasks will hit that ceiling first.

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