Complex sentence: These components are largely being replaced by custom-made systems, such as an in-house head-mounted display codenamed "Rapture", which is meant to provide a higher-quality virtual reality experience in comparison to the consumer-grade hardware previously used.
Split into simpler sentences: These components are largely being replaced by custom-made systems, such as an in-house head-mounted display codenamed "Rapture". It is meant to provide a higher quality VR experience in comparison to the consumer-grade hardware previously used.