
N77-F312CK-26 Cisco Nexus 7700 F3-Series 12 Port 100GbE (CPAK) Ethernet Module
Cisco N77-F312CK-26 – 12-Port 100GbE F3-Series Line Card for Nexus 7700 High-Density Cisco Nexus 7700 F3-Series 100G Line Card with CPAK for Scalable Data Center Networks Maximize data center performance with the Cisco N77-F312CK-26 – 12-Port 100GE CPAK Line Card, engineered for high-throughput, low-latency networking in mission-critical environments. Designed for the Cisco Nexus 7700 Series chassis, this advanced line card delivers 1.2 Tbps of total bandwidth and a 900 Mpps forwarding rate, ensuring non-blocking, wire-speed 100 Gigabit Ethernet performance across all 12 CPAK ports. Ideal for large-scale cloud, enterprise, and service provider networks, the N77-F312CK-26 supports Cisco CPAK-100G-LR4, CPAK-100G-SR10, and CPAK-100G-ER4 optics, offering flexible long-reach and short-reach deployments. With 4x25G breakout support, this module enhances scalability and port density while future-proofing your network infrastructure. Housed in a compact form factor, this line card integrates seamlessly with Cisco Nexus 7700 supervisors, supporting a rich feature set including VXLAN, EVPN, segment routing, and advanced QoS policies. Whether expanding a spine-leaf architecture or optimizing core aggregation, the Cisco N77-F312CK-26 delivers unmatched reliability, high performance, and next-generation scalability. Compliant Standards: AS/NZS CISPR 22 , CISPR 22 Class A , CISPR 24 , CNS 13438 , CSA C22.2 No. 60950-1 , EMC , EN 300386 , EN 60950-1 , EN 61000-3-2 , EN 61000-3-3 , EN 61000-6-1 , EN50082-1 , EN55022 Class A , EN55024 , ETSI , FCC Part 15 A , ICES-003 Class A , IEC 60950-1 , KN22 Class A , NEBS level 3 , UL 60950-1 , VCCI Class A We offer free FedEx Ground shipping to all our customers in the continental US. If you need more information on expedited or international shipping please see our Shipping & Returns page or ask us directly via phone, email or using our Contact Form page. Product Specifications: Cisco N77-F312CK-26 – 12-Port 100GE CPAK Line Card More Information: Data Sheet Category Specification Form Factor Line Card for Cisco Nexus 7700 Series Dimensions (H × W × D) 1.75 in × 15.9 in × 21.9 in (4.45 cm × 40.39 cm × 55.63 cm) Weight Approx. 16.3 lbs (7.4 kg) Performance & Capacity Total Bandwidth: 1.2 Tbps (per module)Forwarding Rate: 900 MppsMAC Address Table: Up to 256,000 entriesBuffer Size: 40 MB shared Interfaces & Connectivity Ports: 12 × 100GE CPAK interfacesSupported Optics: CPAK-100G-LR4, CPAK-100G-SR10, CPAK-100G-ER4Breakout Support: Supports 4 × 25G breakout via specific optics and cablesCompatibility: Cisco Nexus 7700 Series chassis Power & Environmental Power Consumption: Approx. 550W (typical), 750W (maximum)Operating Temperature: 32°F to 104°F (0°C to 40°C)Storage Temperature: -40°F to 158°F (-40°C to 70°C) FAQs for Cisco N77-F312CK-26 1. What transceiver type is required for this module?The module uses Cisco CPAK transceivers, including CPAK-100G-LR4, SR10, and ER4, for long and short-range connectivity. 2. Can I use this line card in any Nexus 7700 chassis?Yes, it is compatible with all Cisco Nexus 7700 chassis, provided the correct F3-series-capable supervisor modules are used. 3. Does the N77-F312CK-26 support 25G breakout?Yes, some CPAK optics allow 100G ports to be split into 4 × 25G, enabling flexible deployment options. 4. What is the main use case for this module?It is ideal for data center spine, aggregation, and high-throughput environments, offering dense 100G connectivity with low latency. 5. Is this line card capable of supporting VXLAN and EVPN?Yes, it supports VXLAN, EVPN, Segment Routing, and advanced L2/L3 features, aligning with modern fabric-based network architectures.