Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver

Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver

Brand: Arista | Category: Transceivers & Cables

SKU: QSFP-400G-LR4 | Part #: QSFP-400G-LR4 | MPN: QSFP-400G-LR4

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About the Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver

At a glance — key specifications

Part NumberQSFP-400G-LR4
ManufacturerArista
CategoryTransceivers & Cables
ConditionNew, sealed

Perfect for

  • Enterprise datacentre infrastructure
  • AI / ML training and inference
  • Hyperscale cloud deployments
  • Financial services compute
  • Telecommunications and edge computing

Frequently asked questions

How do I get a formal quote?

Use the RFQ form on this page with quantity, destination country, and target lead time. Our pre-sales team responds with competitive quoting, vendor-confirmed availability, and any matching support / commissioning options within 48 hours.

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Technical Specifications

BrandArista
CategoryTransceivers & Cables
SKUQSFP-400G-LR4
Part NumberQSFP-400G-LR4
ConditionNew
Manufacturer Part NumberQSFP-400G-LR4
Form FactorQSFP-DD
Data Rate400 Gbps
Speed400GBase-LR4
Interface TypeSingle-Mode Fiber (SMF)
Connector TypeLC
Wavelength1295–1310 nm (ITU DWDM)
Max Transmission Distance10 km
Fiber TypeITU-T G.652D Single-Mode
DuplexFull Duplex
Operating Temperature Range0–70°C
Power Consumption< 3.5 W
ProtocolIEEE 802.3cd

Frequently Asked Questions about Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver

What does the Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver do?

The Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.

What are the headline specs of the Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver?

Key specifications for the Arista QSFP-400G-LR4 400GBase-LR4 Single-Mode Transceiver: new condition; part number QSFP-400G-LR4; manufacturer Arista; category Transceivers & Cables; condition New, sealed; manufacturer part number QSFP-400G-LR4; form factor QSFP-DD. Manufacturer part number QSFP-400G-LR4. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.