HGST
E46228
Western Digital brand
data storage company
hard disk drive manufacturer
solid-state drive manufacturer
HGST is a data storage company and hard drive manufacturer known for its enterprise-class HDDs and SSDs, now operating as a brand under Western Digital.
All labels observed (6)
| Label | Occurrences |
|---|---|
| HGST canonical | 8 |
| Hitachi Global Storage Technologies | 3 |
| HGST Deskstar NAS | 1 |
| HGST Ultrastar | 1 |
| IBM Deskstar | 1 |
| Western Digital Ultrastar | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T359447 — 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: HGST Context triple: [Western Digital, brand, HGST]
-
A.
Western Digital
Western Digital is a major American data storage company known for manufacturing hard disk drives, solid-state drives, and related storage solutions for consumers and enterprises.
-
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.
Toshiba
Toshiba is a major Japanese multinational conglomerate known for its electronics, semiconductors, and information technology products and services.
-
D.
Hewlett-Packard
Hewlett-Packard is a pioneering American technology company known for its innovations in computing, printers, and enterprise IT solutions.
-
E.
G-DRIVE
G-DRIVE is a line of high-performance external storage drives, popular among creative professionals for reliable, high-capacity data backup and media workflows.
- 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: HGST Target entity description: HGST is a data storage company and hard drive manufacturer known for its enterprise-class HDDs and SSDs, now operating as a brand under Western Digital.
-
A.
Western Digital
Western Digital is a major American data storage company known for manufacturing hard disk drives, solid-state drives, and related storage solutions for consumers and enterprises.
-
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.
Toshiba
Toshiba is a major Japanese multinational conglomerate known for its electronics, semiconductors, and information technology products and services.
-
D.
Hewlett-Packard
Hewlett-Packard is a pioneering American technology company known for its innovations in computing, printers, and enterprise IT solutions.
-
E.
G-DRIVE
G-DRIVE is a line of high-performance external storage drives, popular among creative professionals for reliable, high-capacity data backup and media workflows.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Western Digital brand
ⓘ
data storage company ⓘ hard disk drive manufacturer ⓘ solid-state drive manufacturer ⓘ |
| acquiredBy | Western Digital ⓘ |
| associatedWith |
helium-filled hard drives
ⓘ
high-capacity enterprise HDDs ⓘ |
| brandOf | Western Digital ⓘ |
| brandStatus | subsidiary brand ⓘ |
| businessModel | B2B storage solutions ⓘ |
| competitor |
Seagate Technology
ⓘ
Toshiba ⓘ
surface form:
Toshiba Electronic Devices & Storage
|
| country |
United States of America
ⓘ
surface form:
United States
|
| hasBrand |
Cinemastar
ⓘ
Deskstar ⓘ Western Digital ⓘ
surface form:
Travelstar
Ultrastar ⓘ |
| hasFormerName |
HGST
self-linksurface differs
ⓘ
surface form:
Hitachi Global Storage Technologies
|
| industry |
computer hardware
ⓘ
data storage ⓘ |
| knownFor |
data center storage solutions
ⓘ
enterprise-class HDDs ⓘ enterprise-class SSDs ⓘ high-capacity hard drives ⓘ |
| marketSegment |
OEM storage
ⓘ
data center ⓘ enterprise ⓘ |
| offersDriveFormFactor |
2.5-inch
ⓘ
3.5-inch ⓘ |
| offersInterfaceTechnology |
PCIe
ⓘ
SAS ⓘ Serial ATA ⓘ
surface form:
SATA
|
| originatedFrom | Hitachi ⓘ |
| parentCompany | Western Digital ⓘ |
| partOf | Western Digital enterprise storage portfolio ⓘ |
| productType |
enterprise storage solutions
ⓘ
external storage systems ⓘ hard disk drives ⓘ solid-state drives ⓘ |
| specializesIn |
high-performance enterprise SSDs
ⓘ
high-reliability drives ⓘ nearline storage ⓘ |
| targetCustomer |
cloud service providers
ⓘ
enterprise IT departments ⓘ storage system integrators ⓘ |
| technologyFocus |
cloud and data center storage
ⓘ
enterprise storage ⓘ |
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: HGST Description of subject: HGST is a data storage company and hard drive manufacturer known for its enterprise-class HDDs and SSDs, now operating as a brand under Western Digital.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hitachi Global Storage Technologies
this entity surface form:
Hitachi Global Storage Technologies
this entity surface form:
Hitachi Global Storage Technologies
this entity surface form:
IBM Deskstar
this entity surface form:
HGST Ultrastar
this entity surface form:
HGST Deskstar NAS
this entity surface form:
Western Digital Ultrastar