• Cisco N7K-F312FQ-25 12x 40GbE QSFP+ line card with blue silver module
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Cisco

Cisco N7K-F312FQ-25 | 12x 40GbE QSFP+ line card | 4x10G breakout per port | 1-slot | Fabric-2 compatible

N7K-F312FQ-25

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Description

Versatile 40GbE aggregation line card with 12 QSFP+ ports for Nexus 7000 Series. Delivers line-rate Layer 2/Layer 3 performance and supports 4x10G breakout on each QSFP+ where permitted by optics and NX-OS. Ideal for spine/leaf or high-density aggregation, occupying a single chassis slot and leveraging Fabric-2 bandwidth.

Features

- Twelve 40GbE QSFP+ ports for high-density aggregation
- Flexible 4x10G breakout for server or leaf connectivity
- Line-rate IPv4/IPv6 L2/L3 capabilities
- Support for MMF and SMF optics, plus DAC/AOC
- Single-slot design to maximize chassis scalability
- Fabric-2 compatibility for high-throughput switching

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

- Ports: 12x 40 Gigabit Ethernet QSFP+
- Breakout: 4x10G breakout per QSFP+ port (with supported optics/cables)
- Optics: QSFP+ SR4 (850 nm MMF), LR4 (1310 nm SMF), DAC/AOC (availability per release)
- Typical reach: SR4 up to 100 m OM3 / 150 m OM4; LR4 up to 10 km
- Connectors (via optics): MPO-12 for SR4, LC duplex for LR4
- Performance: Line-rate 40GbE L2/L3 forwarding
- Chassis support: Nexus 7000 7009/7010/7018 (one slot)
- Fabric: Requires Fabric-2 modules for full operation
- Software: NX-OS; IPv4/IPv6 routing, QoS, ACLs, VDC support

FAQs

Q: Does each QSFP+ port support 4x10G breakout?
A: Yes, 4x10G breakout is supported with compatible optics or DAC/AOC cables and appropriate NX-OS releases.

Q: What optical modules can I use?
A: Common options include QSFP+ SR4 for MMF and QSFP+ LR4 for SMF; check the compatibility matrix for exact part numbers.

Q: Are transceivers included with the card?
A: No, QSFP+ transceivers and breakout cables are sold separately.

Q: Is PoE supported?
A: No. QSFP+ data ports do not provide PoE.

Q: Which chassis and fabrics are required?
A: It fits Nexus 7000 7009/7010/7018 and requires Fabric-2 modules for full bandwidth.

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