| Form factor | 1U rack mount |
| Ports | - 36x SFP/SFP+ ports (for 1 GbE SFP or 10 GbE SFP+ media)
- 12x SFP+ Omni Ports (for 10 GbE SFP+ or 8 Gb SFP+ FC media; no 1 GbE SFPs)
- 4x QSFP+ ports (for 40 GbE QSFP+ media)
|
| Media types | 40 Gb Ethernet QSFP+:- 40 GbE short-range (SR) QSFP+ bi-directional (BiDi) transceivers
- 40 GbE short-range (SR4/iSR4/eSR4) QSFP+ transceivers
- 40 GbE long-range (LR4) QSFP+ transceivers
- 40 GbE QSFP+ to QSFP+ direct attach copper (DAC) cables
- 40 GbE QSFP+ to 4x 10 GbE SFP+ DAC breakout cables
10 Gb Ethernet SFP+:- 10 GbE short-range (SR) SFP+ transceivers
- 10 GbE long-range (LR) SFP+ transceivers
- 10 GbE extended-range (ER) SFP+ transceivers
- 10 GbE SFP+ DAC cables
1/10 Gb Ethernet SFP+:- 1/10 GbE SX/SR SFP+ transceivers
1 Gb Ethernet SFP:- 1 GbE short-wavelength (SX) SFP transceivers
- 1 GbE long-wavelength (LX) SFP transceivers
- 1 GbE RJ-45 SFP transceivers
8 Gb Fibre Channel SFP+:- 8 Gb FC short-wave (SW) SFP+ transceivers
- 8 Gb FC long-wave (LW) SFP+ transceivers
|
| Port speeds | - 40 GbE QSFP+ SR BiDi/SR4/LR4 transceivers: 40 GbE
- 40 GbE QSFP+ iSR4/eSR4 transceivers and DAC cables: 40 GbE or 4x 10 GbE
- 10 GbE SFP+ transceivers and DAC cables: 10 Gbps
- 1/10 GbE SFP+ transceivers: 1 Gbps or 10 Gbps (Omni Ports: 10 Gbps only)
- 1 GbE SFP transceivers: 1 Gbps
- 8 Gb FC SFP+ transceivers: 4/8 Gbps
|
| Switching method | Cut-through. |
| Data traffic types | Unicast, multicast, broadcast. |
| Software features | Lenovo Networking OS: Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging, spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs (vLAGs), Hot Links, Layer 2 failover, quality of service (QoS), Edge Virtual Bridging (EVB), VMready, IPv4/IPv6 management, IPv4/IPv6 routing, IPv4 virtual router redundancy protocol (VRRP), virtual NICs, Converged Enhanced Ethernet, Fibre Channel over Ethernet (FCoE) full fabric switch operations, FCoE N_Port Virtualization (NPV) gateway operations. |
| Performance | Non-blocking architecture with wire-speed forwarding of traffic:- Up to 1.28 Tbps aggregated throughput
- 100% line-rate performance with low latency
- Up to 9,216-byte jumbo frames
- Receive buffer size: 9 MB
|
| Scalability | - MAC address forwarding database entries: 128,000
- VLANs: 4,095
- Per VLAN Rapid Spanning Tree (PVRST) instances: 256
- Multiple STP (MSTP) instances: 32
- Link aggregation groups: 64
- Ports in a link aggregation group: 32
|
| Cooling | Four 3+1 redundant hot-swap fans. Rear (non-port side) to front (port side) or front to rear airflow. |
| Power supply | Two load-sharing, redundant hot-swap 550 W (front to rear) or 750 W (rear to front) AC (100 - 240 V) power supplies (1x IEC 320-C14 connector on each power supply). |
| Hot-swap parts | SFP/SFP+/QSFP+ transceivers, SFP+/QSFP+ DAC cables, power supplies, fans. |
| Management ports | 1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (Mini-USB); 1x USB port (for additional firmware, log, and configuration files storage). |
| Management interfaces | Industry standard command line interface (isCLI); SNMP v1 and v3; Netconf (XML). Optional Lenovo Switch Center. Optional Lenovo XClarity for discovery, inventory, monitoring and events. |
| Security features | Secure Shell (SSH); Secure Copy (SCP); Secure FTP (sFTP); user level security; Role-based Access Control (RBAC); LDAP, RADIUS, and TACACS+ authentication; access control lists (ACLs); port-based network access control (IEEE 802.1x). |
| Hardware warranty | Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day terms. Optional warranty service upgrades are available through Lenovo: 24x7 coverage, 2-hour or 4-hour response time, 1-year or 2-year warranty extensions, 1-year or 3-year Remote Technical Support (RTS). |
| Software maintenance | Three-year software support and subscription is included in the base warranty. Optional 1-year and 2-year warranty extensions include software support and subscription. |
| Mean Time Between Failures | 225,317 hours with ambient operating temperature of 40° C. |
| Dimensions | Height: 44 mm (1.7 in.); width: 439 mm (17.3 in.); depth: 483 mm (19.0 in.) |
| Weight | 10.4 kg (22.9 lb). |
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