400GBASE-DR4
E1448268
UNEXPLORED
400GBASE-DR4 is a 400 Gigabit Ethernet optical interface standard that uses four parallel single-mode fiber lanes to provide high-speed data transmission over data center interconnect distances.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 400GBASE-DR4 canonical | 1 |
| 400GBASE-DR4.2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20726370 — 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: 400GBASE-DR4 Context triple: [400 Gigabit Ethernet, supportsInterfaceType, 400GBASE-DR4]
-
A.
400GBASE-CR4
400GBASE-CR4 is an IEEE Ethernet physical layer standard for 400 Gb/s data transmission over short-reach copper twinax cabling using four parallel lanes.
-
B.
400GBASE-SR16
400GBASE-SR16 is a 400 Gigabit Ethernet optical standard that uses 16 parallel multimode fiber lanes to provide high-bandwidth, short-reach data center interconnects.
-
C.
200GBASE-KR2
200GBASE-KR2 is an Ethernet physical layer standard for 200 Gbit/s transmission over backplane copper links using two electrical lanes.
-
D.
400GBASE-ER8
400GBASE-ER8 is a 400 Gigabit Ethernet physical layer standard that uses eight wavelengths over single-mode fiber to provide long-reach optical connectivity, typically up to around 40 km.
-
E.
QSFP-DD
QSFP-DD is a high-density, double-density quad small form-factor pluggable transceiver module designed to enable very high-speed data connections in modern data center and networking equipment.
- 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: 400GBASE-DR4 Target entity description: 400GBASE-DR4 is a 400 Gigabit Ethernet optical interface standard that uses four parallel single-mode fiber lanes to provide high-speed data transmission over data center interconnect distances.
-
A.
400GBASE-CR4
400GBASE-CR4 is an IEEE Ethernet physical layer standard for 400 Gb/s data transmission over short-reach copper twinax cabling using four parallel lanes.
-
B.
400GBASE-SR16
400GBASE-SR16 is a 400 Gigabit Ethernet optical standard that uses 16 parallel multimode fiber lanes to provide high-bandwidth, short-reach data center interconnects.
-
C.
200GBASE-KR2
200GBASE-KR2 is an Ethernet physical layer standard for 200 Gbit/s transmission over backplane copper links using two electrical lanes.
-
D.
400GBASE-ER8
400GBASE-ER8 is a 400 Gigabit Ethernet physical layer standard that uses eight wavelengths over single-mode fiber to provide long-reach optical connectivity, typically up to around 40 km.
-
E.
QSFP-DD
QSFP-DD is a high-density, double-density quad small form-factor pluggable transceiver module designed to enable very high-speed data connections in modern data center and networking equipment.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 400GBASE-DR4