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.
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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.