SFF-8639
E734298
SFF-8639 is a high-speed connector and interface standard used primarily for U.2 NVMe solid-state drives in enterprise storage systems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| SFF-8639 canonical | 3 |
| SFF-8639 connector | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8435674 — 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: SFF-8639 Context triple: [U.2, alsoKnownAs, SFF-8639]
-
A.
SFF-8644
SFF-8644 is a high-density external mini-SAS HD connector standard commonly used for connecting Serial Attached SCSI (SAS) and related high-speed storage interfaces.
-
B.
SFF-8087
SFF-8087 is a Mini-SAS (Serial Attached SCSI) internal connector standard commonly used to link storage backplanes or drive cages to RAID or HBA controllers.
-
C.
SFF-8482
SFF-8482 is a standardized internal connector interface designed specifically for Serial Attached SCSI (SAS) drives, allowing compatibility with both SAS and SATA devices in enterprise storage systems.
-
D.
SFF-8484
SFF-8484 is a Small Form Factor (SFF) industry standard that defines a high-density internal connector interface commonly used for SAS storage backplanes and host bus adapters.
-
E.
10 Gigabit Small Form Factor Pluggable
10 Gigabit Small Form Factor Pluggable is a standardized, hot-swappable optical transceiver module used for high-speed 10 Gbit/s network and telecommunications links.
- 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: SFF-8639 Target entity description: SFF-8639 is a high-speed connector and interface standard used primarily for U.2 NVMe solid-state drives in enterprise storage systems.
-
A.
SFF-8644
SFF-8644 is a high-density external mini-SAS HD connector standard commonly used for connecting Serial Attached SCSI (SAS) and related high-speed storage interfaces.
-
B.
SFF-8087
SFF-8087 is a Mini-SAS (Serial Attached SCSI) internal connector standard commonly used to link storage backplanes or drive cages to RAID or HBA controllers.
-
C.
SFF-8482
SFF-8482 is a standardized internal connector interface designed specifically for Serial Attached SCSI (SAS) drives, allowing compatibility with both SAS and SATA devices in enterprise storage systems.
-
D.
SFF-8484
SFF-8484 is a Small Form Factor (SFF) industry standard that defines a high-density internal connector interface commonly used for SAS storage backplanes and host bus adapters.
-
E.
10 Gigabit Small Form Factor Pluggable
10 Gigabit Small Form Factor Pluggable is a standardized, hot-swappable optical transceiver module used for high-speed 10 Gbit/s network and telecommunications links.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
high-speed connector
ⓘ
interface standard ⓘ storage interface ⓘ |
| alsoKnownAs |
U.2 connector
ⓘ
linked to:
U.2
U.2 interface ⓘ |
| category | storage connectivity standard ⓘ |
| compatibleWith |
U.2 NVMe SSDs
ⓘ
backplanes supporting PCIe storage ⓘ |
| connectorPosition | drive side ⓘ |
| connectorType | board-to-device connector ⓘ |
| definedBy | Small Form Factor Committee ⓘ |
| designedFor |
high-performance storage
ⓘ
low-latency storage access ⓘ |
| enables |
hot-swappable NVMe drives
ⓘ
shared infrastructure for SAS, SATA, and NVMe ⓘ |
| marketSegment |
data center
ⓘ
enterprise ⓘ |
| physicalInterfaceLocation | front-accessible drive bays ⓘ |
| relatedStandard |
SFF-8630
ⓘ
SFF-8680 ⓘ SFF-TA-1001 ⓘ |
| replacedBy | U.3 (SFF-TA-1001) in some deployments ⓘ |
| standardNumber | SFF-8639 ⓘ |
| supportsDriveType |
enterprise NVMe SSD
ⓘ
enterprise SAS SSD ⓘ enterprise SATA SSD ⓘ |
| supportsHotPlug | true ⓘ |
| supportsInterface |
SATA 6 Gbit/s
ⓘ
dual-port SAS ⓘ x4 PCIe lanes ⓘ |
| supportsMultiProtocolBackplane | true ⓘ |
| supportsProtocol |
NVMe
ⓘ
PCI Express ⓘ SAS ⓘ SATA ⓘ |
| supportsUseCase |
database storage
ⓘ
enterprise SSD deployment ⓘ high IOPS workloads ⓘ virtualization storage backends ⓘ |
| targetDeviceFormFactor |
2.5-inch SSD
ⓘ
U.2 SSD ⓘ |
| usedFor |
connecting NVMe solid-state drives
ⓘ
enterprise storage systems ⓘ |
| usedIn |
data center systems
ⓘ
enterprise storage arrays ⓘ servers ⓘ |
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: SFF-8639 Description of subject: SFF-8639 is a high-speed connector and interface standard used primarily for U.2 NVMe solid-state drives in enterprise storage systems.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: SFF-8639