Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 BiDi Transceiver

Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 BiDi Transceiver

Brand: Cisco | Category: Transceivers & Cables

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

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About the Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 BiDi Transceiver

At a glance — key specifications

Part NumberQSFP-400G-SR4-BD-S
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-BD-S
Part NumberQSFP-400G-SR4-BD-S
ConditionNew
Manufacturer Part NumberQSFP-400G-SR4-BD-S
Interface TypeQSFP-DD (Double Density)
Data Rate400 Gbps
Protocol400GBase-SR4
Transceiver TypeBidirectional (BiDi)
Wavelength850 nm (Multimode)
Max Transmission Distance100 meters
Form FactorQSFP-DD
Operating Temperature0–70 °C

Frequently Asked Questions about Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 BiDi Transceiver

What does the Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 BiDi Transceiver do?

The Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 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-BD-S 400GBase-SR4 BiDi Transceiver?

Key specifications for the Cisco QSFP-400G-SR4-BD-S 400GBase-SR4 BiDi Transceiver: new condition; part number QSFP-400G-SR4-BD-S; manufacturer Cisco; category Transceivers & Cables; condition New, sealed; manufacturer part number QSFP-400G-SR4-BD-S; interface type QSFP-DD (Double Density). Manufacturer part number QSFP-400G-SR4-BD-S. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.