NVMe provides which of the following benefits over traditional storage interfaces?

• A. Higher latency and lower throughput.
• B. Lower latency and higher throughput.
• C. Only compatible with HDDs.
• D. It replaces RAID.

Answer: (B)

NVMe boosts storage performance by using PCIe for direct, parallel access to fast non-volatile memory, which reduces the time it takes to complete I/O requests and lets many requests be handled at once. This design, with multiple I/O queues and lower protocol overhead, results in significantly lower latency and higher throughput compared to traditional interfaces like SATA/SAS. So the best benefit is lower latency and higher throughput.

The other options don’t fit because NVMe isn’t about higher latency or reduced speed, it isn’t limited to HDDs (it's optimized for flash and other non-volatile memory), and it doesn’t replace RAID (RAID is a data protection/organization technique that can sit on top of or alongside NVMe devices).