CompactFlash
E772191
CompactFlash is a type of solid-state memory card widely used in early digital cameras and professional photography equipment for removable data storage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CompactFlash canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9000387 — 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: CompactFlash Context triple: [Memory Stick, competition, CompactFlash]
-
A.
SD memory cards
SD memory cards are compact, removable flash storage devices widely used in cameras, smartphones, and other portable electronics for data storage and transfer.
-
B.
SDHC
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.
-
C.
Memory Stick (on older models)
Memory Stick (on older models) is Sony’s proprietary flash memory card format that was commonly used in earlier digital cameras and other portable electronics for data storage.
-
D.
SDXC
SDXC is a high-capacity Secure Digital (SD) memory card format designed to support large storage sizes and faster data transfer rates for devices like cameras, smartphones, and computers.
-
E.
microSD
microSD is a compact, removable flash memory card format widely used to expand storage in mobile phones, cameras, and other portable electronic devices.
- 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: CompactFlash Target entity description: CompactFlash is a type of solid-state memory card widely used in early digital cameras and professional photography equipment for removable data storage.
-
A.
SD memory cards
SD memory cards are compact, removable flash storage devices widely used in cameras, smartphones, and other portable electronics for data storage and transfer.
-
B.
SDHC
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.
-
C.
Memory Stick (on older models)
Memory Stick (on older models) is Sony’s proprietary flash memory card format that was commonly used in earlier digital cameras and other portable electronics for data storage.
-
D.
SDXC
SDXC is a high-capacity Secure Digital (SD) memory card format designed to support large storage sizes and faster data transfer rates for devices like cameras, smartphones, and computers.
-
E.
microSD
microSD is a compact, removable flash memory card format widely used to expand storage in mobile phones, cameras, and other portable electronic devices.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
flash memory card
ⓘ
memory card format ⓘ removable storage medium ⓘ |
| abbreviation | CF NERFINISHED ⓘ |
| capacityRange | from megabytes to hundreds of gigabytes ⓘ |
| category |
Computer storage media
ⓘ
Digital photography ⓘ |
| competesWith |
Memory Stick
NERFINISHED
ⓘ
Secure Digital NERFINISHED ⓘ xD-Picture Card NERFINISHED ⓘ |
| designedFor | removable data storage ⓘ |
| developedBy | SanDisk NERFINISHED ⓘ |
| formFactor | solid-state ⓘ |
| formFactorVariant |
Type I
ⓘ
Type II ⓘ |
| governingBody | CompactFlash Association NERFINISHED ⓘ |
| height | 36.4 mm ⓘ |
| interfaceType |
PCMCIA subset
ⓘ
Parallel ATA NERFINISHED ⓘ |
| introducedInYear | 1994 ⓘ |
| notableFeature |
high durability compared to mechanical drives
ⓘ
high write speed for its era ⓘ relatively large physical size compared to SD cards ⓘ |
| pinCount | 50-pin connector ⓘ |
| powerSupplyVoltage |
3.3 V
ⓘ
5 V ⓘ |
| primaryUse |
digital cameras
ⓘ
portable electronic devices ⓘ professional photography equipment ⓘ |
| standardizedBy | CompactFlash Association NERFINISHED ⓘ |
| status | largely superseded in consumer cameras ⓘ |
| stillUsedIn | some professional and industrial applications ⓘ |
| storageTechnology | flash memory ⓘ |
| successorFormat |
CFast
NERFINISHED
ⓘ
CFexpress NERFINISHED ⓘ |
| supportsFileSystem |
FAT16
NERFINISHED
ⓘ
FAT32 NERFINISHED ⓘ exFAT NERFINISHED ⓘ |
| supportsHotSwap | true ⓘ |
| supportsMode |
I/O mode
ⓘ
Memory-mapped I/O mode ⓘ True IDE mode ⓘ |
| thicknessOfTypeI | 3.3 mm ⓘ |
| thicknessOfTypeII | 5 mm ⓘ |
| usedIn |
DSLR cameras
ⓘ
embedded systems ⓘ high-end video cameras ⓘ industrial equipment ⓘ |
| width | 42.8 mm ⓘ |
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: CompactFlash Description of subject: CompactFlash is a type of solid-state memory card widely used in early digital cameras and professional photography equipment for removable data storage.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Memory Stick