400 Gigabit Ethernet

E509444

Ethernet standard high-speed network technology

400 Gigabit Ethernet is a high-speed Ethernet standard designed to deliver 400 Gbit/s data rates for next-generation data centers, backbone networks, and high-performance computing environments.

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Observed surface forms (2)

Surface form	Occurrences
400G Ethernet	1
400GBASE-KR4	1

Statements (54)

Predicate	Object
instanceOf	Ethernet standard ⓘ high-speed network technology ⓘ
abbreviation	400GbE ⓘ
backwardCompatibleWith	10 Gigabit Ethernet ⓘ 100 Gigabit Ethernet ⓘ 40 Gigabit Ethernet NERFINISHED ⓘ
dataRate	400 Gbit/s ⓘ 400 billion bits per second ⓘ
definedIn	IEEE 802.3bs NERFINISHED ⓘ
enables	higher port density on switches ⓘ higher throughput per rack ⓘ reduced cost per bit ⓘ
partOfStandard	IEEE 802.3 NERFINISHED ⓘ
standardizedBy	IEEE NERFINISHED ⓘ
standardType	Ethernet physical layer standard ⓘ
supports	aggregation switching ⓘ core routing ⓘ high-bandwidth applications ⓘ leaf-spine data center architectures ⓘ optical transport networks ⓘ
supportsAggregation	2 x 200 Gigabit Ethernet breakout ⓘ 4 x 100 Gigabit Ethernet breakout ⓘ 8 x 50 Gigabit Ethernet breakout ⓘ
supportsFormFactor	CFP8 ⓘ COBO NERFINISHED ⓘ OSFP ⓘ QSFP-DD NERFINISHED ⓘ QSFP56-DD NERFINISHED ⓘ
supportsInterfaceType	400GBASE-DR4 NERFINISHED ⓘ 400GBASE-DR4.2 NERFINISHED ⓘ 400GBASE-ER8 NERFINISHED ⓘ 400GBASE-FR8 NERFINISHED ⓘ 400GBASE-LR4 NERFINISHED ⓘ 400GBASE-LR8 NERFINISHED ⓘ 400GBASE-SR16 NERFINISHED ⓘ 400GBASE-SR8 NERFINISHED ⓘ 400GBASE-ZR NERFINISHED ⓘ
supportsLaneConfiguration	16 lanes at 25 Gbit/s ⓘ 4 lanes at 100 Gbit/s ⓘ 8 lanes at 50 Gbit/s ⓘ
supportsTopology	spine-leaf topology ⓘ
targetUse	backbone networks ⓘ cloud data centers ⓘ data center networks ⓘ high-performance computing environments ⓘ
usedIn	carrier backbone networks ⓘ hyperscale data centers ⓘ internet exchange points ⓘ telecommunications networks ⓘ
uses	multimode fiber ⓘ optical fiber cabling ⓘ single-mode fiber ⓘ
usesEncoding	NRZ NERFINISHED ⓘ PAM4 NERFINISHED ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

IEEE 802.3ck → defines → 400 Gigabit Ethernet ⓘ

this entity surface form: 400GBASE-KR4

IEEE 802.3bs → relatedTo → 400 Gigabit Ethernet ⓘ

IEEE 802.3ck → supportsDataRate → 400 Gigabit Ethernet ⓘ

this entity surface form: 400G Ethernet