Cisco

Cisco QSFP-400G-DR4 | 400G QSFP112 | 400GBASE-DR4 | 1310nm | 500m SMF | MPO-12

SKU:QSFP-400G-DR4

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Description

400G single-mode parallel optic for modern spine/leaf fabrics, delivering 500 m reach over OS2 SMF with MPO-12 connectivity and straightforward 4x100G breakout options. Ideal for power- and space-efficient 400G aggregation.

Features

- High-density 400G parallel SMF for modern spine fabrics
- 500 m reach for inter-row and small-campus links
- 4x100G breakout for flexible migration and aggregation
- Operational visibility with DOM/diagnostics
- Power- and space-efficient QSFP112 footprint

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Can this module break out to 4x100G?
A: Yes, with an MPO-12 to 4xLC/CS SMF breakout and a switch that supports 4x100G operation.

Q: Is this for single-mode or multimode?
A: Single-mode (OS2) only; it is not compatible with MMF.

Q: What MPO polarity is recommended?
A: Use an MTP/MPO-12 Type-B trunk for correct lane mapping.

Q: Does it interoperate with 400G FR4?
A: No, DR4 is parallel single-mode; FR4 is duplex; they require like-for-like optics on both ends.

Technical Specifications

- Form factor: QSFP112
- Data rate: 400 Gbps (4x100G lanes)
- Ethernet standard: 400GBASE-DR4
- Wavelength: 1310 nm
- Reach: up to 500 m on OS2 single-mode fiber
- Connector: MPO-12 (female), Type-B polarity
- Fiber type: Single-mode (SMF/OS2)
- Parallel optics: 8-fiber (4 Tx/4 Rx)
- Breakout support: 4x100G (e.g., 4x100G-DR) with suitable fanout and platform support
- Digital diagnostics (DOM/DDM): Supported
- Hot-swappable: Yes

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