Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver

Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver

Brand: Cisco | Category: Transceivers & Cables

SKU: QSFP-400G-SR4.2-BD | Part #: QSFP-400G-SR4.2-BD | MPN: QSFP-400G-SR4.2-BD

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About the Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver

At a glance — key specifications

Part NumberQSFP-400G-SR4.2-BD
ManufacturerCisco
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

BrandCisco
CategoryTransceivers & Cables
SKUQSFP-400G-SR4.2-BD
Part NumberQSFP-400G-SR4.2-BD
ConditionNew
Manufacturer Part NumberQSFP-400G-SR4.2-BD
Form FactorQSFP-DD
Data Rate400 Gbps
Max Distance100 m
Protocol400GBASE-SR4.2
Wavelength850 nm
Fiber TypeMulti-mode (OM4)
Operating Temperature0–70°C
Connector TypeLC UPC (Bidirectional)
Power Consumption< 3.5 W
CompatibilityCisco ASR 9000, NCS 5000, Nexus 9000 series

Frequently Asked Questions about Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver

What does the Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver do?

The Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi 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 Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver?

Key specifications for the Cisco QSFP-400G-SR4.2-BD Short-Reach 400G BiDi Transceiver: new condition; part number QSFP-400G-SR4.2-BD; manufacturer Cisco; category Transceivers & Cables; condition New, sealed; manufacturer part number QSFP-400G-SR4.2-BD; form factor QSFP-DD. Manufacturer part number QSFP-400G-SR4.2-BD. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.