NVMe Storage Glossary
Definitions for the core terms in the NVMe storage ecosystem — from NVMe-oF transports and PCIe hardware to SPDK, erasure coding, and disaggregated architectures. Terms shared with NVMe/TCP include cross-links to nvme-tcp.com for deeper coverage.
Block Storage
+nvme-tcp.comCXL (Compute Express Link)
DAS (Direct-Attached Storage)
Disaggregated Storage
Erasure Coding
HBA (Host Bus Adapter)
IOPS
+nvme-tcp.comLatency
+nvme-tcp.comNAND Flash
NVMe (Non-Volatile Memory Express)
NVMe Controller
NVMe-oF Discovery Service
NQN (NVMe Qualified Name)
PCIe (Peripheral Component Interconnect Express)
Queue Depth
+nvme-tcp.comSPDK (Storage Performance Dev Kit)
SSD (Solid State Drive)
Storage Fabric
Storage Tiering
Write Amplification
Looking for NVMe/TCP-specific terms?
Our sister site nvme-tcp.com has a full glossary covering NVMe/TCP initiator/target, iSCSI, RoCE, Fibre Channel, and more.