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 | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8611468 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SD Express Context triple: [SD Association, standardizes, SD Express]
-
A.
National Express
National Express is a major UK-based coach and bus operator providing long-distance and local passenger transport services domestically and internationally.
-
B.
Metcard
Metcard was Melbourne’s former magnetic stripe ticketing system used for public transport before the introduction of the Myki smartcard.
-
C.
Universal Express
Universal Express is a paid line-skipping system used at Universal theme parks to reduce wait times for popular attractions.
-
D.
Worldline
Worldline is a French multinational company specializing in payment and transactional services, recognized as a major European player in digital payments.
-
E.
Discover Card
Discover Card is a major U.S. credit card brand known for its cash-back rewards, no annual fees on many cards, and widespread acceptance.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SD Express Target entity description: 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.
-
A.
National Express
National Express is a major UK-based coach and bus operator providing long-distance and local passenger transport services domestically and internationally.
-
B.
Metcard
Metcard was Melbourne’s former magnetic stripe ticketing system used for public transport before the introduction of the Myki smartcard.
-
C.
Universal Express
Universal Express is a paid line-skipping system used at Universal theme parks to reduce wait times for popular attractions.
-
D.
Worldline
Worldline is a French multinational company specializing in payment and transactional services, recognized as a major European player in digital payments.
-
E.
Discover Card
Discover Card is a major U.S. credit card brand known for its cash-back rewards, no annual fees on many cards, and widespread acceptance.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
SD card standard
ⓘ
memory card specification ⓘ |
| announcedBy | SD Association in 2018 ⓘ |
| backwardCompatibleWith |
UHS-I SD
ⓘ
linked to:
UHS-I
legacy SD bus ⓘ |
| belongsToCategory | flash memory card technology ⓘ |
| compatibleWith | SD 7.x family of standards ⓘ |
| competesWith |
CFexpress
ⓘ
XQD ⓘ |
| dataTransferDirection |
full-duplex in PCIe mode
ⓘ
half-duplex in legacy SD mode ⓘ |
| definedBy | SD Association ⓘ |
| designedFor |
cameras
ⓘ
embedded systems ⓘ laptops ⓘ mobile devices ⓘ |
| enables | SSD-like performance in SD form factor ⓘ |
| extends |
Secure Digital (SD) card standard
ⓘ
linked to:
SD memory cards
|
| 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
ⓘ
legacy SD mode ⓘ |
| supportsCommandSet | NVMe command set ⓘ |
| 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
ⓘ
linked to:
NVMe
NVMe 1.4 ⓘ
linked to:
NVMe
PCIe 3.0 ⓘ PCIe 4.0 ⓘ
linked to:
PCI Express
|
| targetUseCase |
4K video recording
ⓘ
8K video recording ⓘ burst photography ⓘ gaming storage ⓘ high-speed storage ⓘ industrial applications ⓘ |
| usesInterface | PCI Express ⓘ |
| usesPhysicalConnector |
microSD card connector
ⓘ
standard SD card connector ⓘ |
| usesProtocol | NVMe ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: SD Express Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.