• Vibrant pink glossy Juniper fruit sticker for QFX5K-FPC-4CD line card
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Juniper

Juniper QFX5K-FPC-4CD | Line Card | 4x 400GbE QSFP-DD | Breakout 4x100G per port | For QFX5700 chassis | Non-PoE

QFX5K-FPC-4CD

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Description

High-density 400GbE expansion module providing up to 1.6 Tbps aggregate throughput for QFX5700 chassis. Supports 400G optics and 100G breakouts to scale spine/leaf fabrics and high-performance aggregation.

Features

- 4x 400GbE for rapid scaling of spine/leaf fabrics
- Investment protection via 100G breakout per 400G port
- Line-rate forwarding for demanding data center workloads
- Hot-swappable for serviceability and minimal downtime

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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Technical Specifications

FAQs

Technical Specifications

- Port density: 4 x 400 Gigabit Ethernet
- Port form factor: QSFP-DD
- Aggregate bandwidth: up to 1.6 Tbps
- Breakout support: 4x100G per 400G port (with appropriate breakouts/optics)
- Optics compatibility: 400GBASE SR8/DR4/FR4 (model-dependent optics, sold separately)
- Chassis compatibility: QFX5700 FPC slot
- Hot-swappable module
- Intended roles: spine/leaf, data center aggregation
- PoE: Not supported

FAQs

Q: Which chassis does this line card fit?
A: It is designed for the QFX5700 chassis.

Q: Does it accept QSFP-DD transceivers?
A: Yes, it is built for QSFP‑DD 400G optics and supported breakouts.

Q: Can I break out 400G ports to 4x100G?
A: Yes, with appropriate optics or breakout cables.

Q: Is PoE supported?
A: No, this line card does not provide PoE.

Q: Can it be mixed with other QFX5700 line cards?
A: Yes, subject to chassis software and resource limits; ensure sufficient power and cooling.

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