SD Express

E745356

SD Express is a high-speed memory card specification that combines SD card form factors with PCIe and NVMe technologies to deliver significantly faster data transfer rates for storage devices.

All labels observed (1)

Label Occurrences
SD Express canonical 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf SD card standard
memory card specification
announcedBy SD Association in 2018
backwardCompatibleWith UHS-I SD NERFINISHED
legacy SD bus
belongsToCategory flash memory card technology
compatibleWith SD 7.x family of standards
competesWith CFexpress NERFINISHED
XQD NERFINISHED
dataTransferDirection full-duplex in PCIe mode
half-duplex in legacy SD mode
definedBy SD Association NERFINISHED
designedFor cameras
embedded systems
laptops
mobile devices
enables SSD-like performance in SD form factor
extends Secure Digital (SD) card standard NERFINISHED
introducedIn SD 7.0 specification
marketedAs high-performance removable storage
providesMaxThroughput higher than UHS-II SD
higher than UHS-III SD
up to 985 MB/s with PCIe 3.0 x1
requires PCIe lanes routed to SD slot for full performance
requiresHostSupport SD Express-capable host device
supports removable storage use model
supportsBusMode PCIe/NVMe mode GENERATED
legacy SD mode GENERATED
supportsCommandSet NVMe command set GENERATED
supportsFeature dual-row pin interface on full-size cards
high-capacity storage
low-power operation
supportsFormFactor full-size SD card
microSD card
supportsStandard NVMe 1.3 NERFINISHED
NVMe 1.4 NERFINISHED
PCIe 3.0
PCIe 4.0 NERFINISHED
targetUseCase 4K video recording
8K video recording
burst photography
gaming storage
high-speed storage
industrial applications
usesInterface PCI Express NERFINISHED
usesPhysicalConnector microSD card connector
standard SD card connector
usesProtocol NVMe NERFINISHED

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

SD Association standardizes SD Express