UHS-I

E745355

UHS-I is a high-speed bus interface standard for SD memory cards that significantly increases data transfer rates compared to earlier SD specifications.

All labels observed (3)

Label Occurrences
UHS-I canonical 2
UHS-I SD 1
UHS-II 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf SD bus interface standard
Ultra High Speed bus standard
memory card interface
appliesTo SD memory cards
SDHC cards
linked to: SDHC

SDXC cards
backwardCompatibleWith non-UHS SD cards
standard SD bus
busType synchronous serial bus
category flash memory interface standard
compatibleFormFactor full-size SD card
microSD card
dataTransferRateComparedTo higher than High Speed SD
higher than standard SD
definedBy SD Association
electricalInterface single-ended signaling
improvesOver High Speed SD bus
introducedAs first generation Ultra High Speed (UHS) bus
logoIndication UHS-I symbol on SD card label
marketedAs Ultra High Speed I
maximumBusSpeed 104 MB/s
partOf SD card specification
performanceClassRelation used with UHS Speed Class ratings
physicalPins uses existing SD card pin layout
requires UHS-I compatible SD card
UHS-I compatible host device
requiresConfiguration host and card must negotiate UHS mode
requiresHostSupport UHS-I capable SD host controller
signalVoltage 1.8 V
3.3 V
standardizedIn SD Specification Version 3.0
supports higher sustained write speeds than standard SD
supportsBusSpeedMode DDR50
SDR104
SDR12
SDR25
SDR50
targetUse HD video recording
continuous burst photography
high-speed data transfer
usedIn camcorders
digital cameras
laptops with SD card slots
smartphones
tablets
usesBusWidth 4-bit

How these facts were elicited

Referenced by (4)

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

SD Association standardizes UHS-II
linked to: UHS-I
SD Association setsSpecificationFor UHS-I
subject linked to: SDA
SD Express backwardCompatibleWith UHS-I SD
linked to: UHS-I