With promises to unlock new levels of shared performance and utilization efficiency in solid-state drives (SSDs), NVM Express® has a newly approved Technical Proposal (TP), TP4176 - Quality of Service for PCIe Bandwidth and IOPS for a Controller.  Effective implementation of this new standard requires a deep understanding of its complexities as applied to an SSD. This presentation will delve into the standardized QoS control modes, key parameters, and simplified control mechanisms, providing clarity on how to optimize SSD performance for emerging standards. Through varied deployment examples and usage scenarios, we will discuss strategies for setting intelligent QoS parameters on the host side, exploring where an SSD is expected to meet customer requirements and where hosts may need to manage expectations. Our goal is to spark a conversation on achieving consistent QoS across SSD vendors to provide the best products to our customer base.