N3K-C3408-S, Cisco Nexus 3400 Switch, 32xQSFP-DD/High Density/Layer 3
$30,954
N3K-C3408-S is the Cisco Nexus 3408-S switch with 32 ports of QSFP-DD. The Cisco Nexus® 3400-S is the first 400G programmable switch series in the Nexus 3000 portfolio with 50 Gbps PAM4 Serial-Deserializers (SerDes), designed for data centers with industry-leading performance-per-watt power efficiency at low latency, offering leading analytics.
N3K-C3408-S Specification |
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| Physical | ● 4 RU, 8-slot chassis
● Beacon LED ● Status LED ● Dual-redundant power supplies ● Redundant (2+1) fans ● Two 100/1000Mbps SFP ports ● One RS-232 serial console port ● One RJ45 and one SFP management port ● One USB port |
| Performance | 25.6-Tbps switching capacity |
| Number of MAC addresses | 120K |
| Number of IPv4/IPv6 unicast routes | 440K / 360K |
| Number of IPv4/IPv6 hosts | 192K / 96K |
| Number of IPv4 multicast routes | Up to 96K with 8K groups |
| Number of VLANS | 4K |
| Number of ACL entries | 3.5K ingress and 1.5K egress |
| Number of spanning-tree instances | Rapid Spanning Tree Protocol (RSTP): 123
Multiple Spanning Tree (MST) Protocol: 64 |
| Number of EtherChannels | 512 |
| Number of ports per EtherChannel | up to 128 |
| Buffer size | 70 Mb |
| Boot flash memory | 128 GB |
| Latency | 370 nsec |
| Number of power supplies | 2 (redundant) |
| Power supply types | AC (forward airflow) |
| Input voltage | 100 to 240 VAC |
| Frequency | 50 to 60 Hz |
| Power supply efficiency | 89 to 91% at 220V |
| Cooling | Forward airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies)
Six individual, hot-swappable fans (5+1 redundant) |
| Dimensions (height x width x depth) | 6.97 in. x 17.3 in. x 31.6 in. |
| Weight | N3K-C3408-S weight across configurations:
● 68 lb (without LEMs, PSUs, or fans) ● 107.7 lb (with eight 100G LEMs, PSUs, and fans) ● 104.5 lb (with eight 400G LEMs, PSUs, and fans) Individual LEMs: ● NXM-X16C (100G LEM) – 3.6 lb ● NXM-X4D (400G LEM) – 3.2 lb |
| Operating temperature | 32 to 104° F (0 to 40°C) |
| Storage temperature | -40 to 158° F (-40 to 70°C) |
| Relative humidity | 5 to 95% non-condensing |
| Altitude (operating) | Designed to meet: -500 ft to 13,123 ft |
| Altitude (non-operating) | -1000 ft to 30,000 ft |
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