SDHC
E745350
SDHC (Secure Digital High Capacity) is a type of SD memory card format that supports higher storage capacities (typically 4GB to 32GB) and faster data transfer rates than standard SD cards.
All labels observed (4)
| Label | Occurrences |
|---|---|
| SDHC canonical | 5 |
| SDHC card | 1 |
| SDHC cards | 1 |
| Secure Digital (SD) standard | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8611458 — 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: SDHC Context triple: [SD Association, standardizes, SDHC]
-
A.
eMMC
eMMC (embedded MultiMediaCard) is an integrated flash storage standard commonly used in smartphones, tablets, and other consumer electronics to provide compact, low-cost, non-volatile memory.
-
B.
SanDisk
SanDisk is a prominent data storage brand known for its flash memory products such as SD cards, USB drives, and solid-state drives.
-
C.
SSD
SSD is the National Rail station code assigned to Stansted Airport railway station in Essex, England.
-
D.
MMC
MMC is the stock ticker symbol for Marsh & McLennan Companies, a global professional services firm specializing in risk, strategy, and insurance.
-
E.
MMC
MMC is the commonly used abbreviation for the Modesto A. Maidique Campus of Florida International University in Miami, Florida.
- 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: SDHC Target entity description: SDHC (Secure Digital High Capacity) is a type of SD memory card format that supports higher storage capacities (typically 4GB to 32GB) and faster data transfer rates than standard SD cards.
-
A.
eMMC
eMMC (embedded MultiMediaCard) is an integrated flash storage standard commonly used in smartphones, tablets, and other consumer electronics to provide compact, low-cost, non-volatile memory.
-
B.
SanDisk
SanDisk is a prominent data storage brand known for its flash memory products such as SD cards, USB drives, and solid-state drives.
-
C.
SSD
SSD is the National Rail station code assigned to Stansted Airport railway station in Essex, England.
-
D.
MMC
MMC is the stock ticker symbol for Marsh & McLennan Companies, a global professional services firm specializing in risk, strategy, and insurance.
-
E.
MMC
MMC is the commonly used abbreviation for the Modesto A. Maidique Campus of Florida International University in Miami, Florida.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Secure Digital card
ⓘ
flash memory card ⓘ memory card format ⓘ |
| abbreviationOf |
Secure Digital High Capacity
ⓘ
linked to:
Secure Digital
|
| backwardCompatibility | not compatible with some standard SD-only hosts ⓘ |
| category | removable storage ⓘ |
| compatibleWith | SDHC host devices ⓘ |
| dataTransferRate | higher than standard SD (up to 25 MB/s in High Speed mode) ⓘ |
| designedFor | higher capacity storage than standard SD ⓘ |
| encoding | flash memory block architecture ⓘ |
| fileSystemDefault | FAT32 ⓘ |
| formFactor |
SD card
ⓘ
microSD card ⓘ miniSD card ⓘ |
| fullName |
Secure Digital High Capacity
ⓘ
linked to:
Secure Digital
|
| introducedIn | 2006 ⓘ |
| logo | SDHC mark on card and packaging ⓘ |
| marketedAs | high capacity SD card ⓘ |
| mediaType | non-volatile memory ⓘ |
| partOf |
Secure Digital family
ⓘ
linked to:
Secure Digital
|
| physicalDimensions | same as standard SD for full-size cards ⓘ |
| predecessorOf | SDXC ⓘ |
| requires | SDHC-compatible reader ⓘ |
| standardizedBy | SD Association ⓘ |
| storageCapacityMaximum | 32 GB ⓘ |
| storageCapacityMinimum | 4 GB ⓘ |
| successorOf | standard SD ⓘ |
| supports | write protection switch (full-size cards) ⓘ |
| supportsApplicationClass |
A1
ⓘ
A2 ⓘ |
| supportsBusSpeed |
Default Speed
ⓘ
High Speed ⓘ |
| supportsSpeedClass |
Class 10
ⓘ
Class 2 ⓘ Class 4 ⓘ Class 6 ⓘ UHS Speed Class 1 ⓘ |
| usedFor |
camcorders
ⓘ
digital cameras ⓘ embedded systems ⓘ media players ⓘ portable game consoles ⓘ smartphones ⓘ tablets ⓘ |
| uses | flash memory ⓘ |
| voltage | 3.3 V ⓘ |
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: SDHC Description of subject: SDHC (Secure Digital High Capacity) is a type of SD memory card format that supports higher storage capacities (typically 4GB to 32GB) and faster data transfer rates than standard SD cards.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.