The Amazon S3 Express One Zone storage class can now accelerate Amazon SageMaker Model Training with faster load times for training data, checkpoints, and model outputs. S3 Express One Zone is purpose-built to deliver the fastest cloud object storage for performance-critical applications and delivers consistent single-digit millisecond request latency and high throughput to reduce the time and cost to train and tune machine learning models through Amazon SageMaker.
Source:: Amazon AWS