Lenovo ThinkSystem DB620S 24ports licensed, 24x 16Gb SWL SFPs, 2 PS, Rail Kit (1yr)

Machine type 6415
Form factor Standalone or 1U rack mount
Ports
48x SFP+ physical ports
4x QSFP+ physical ports

The number of ports that are activated is model dependent and can be upgraded with additional licenses - see the Port activation licenses section.

Media types
   128 Gb (4x 32 Gb) FC QSFP+: short wavelength (SWL), long wavelength (LWL).
   4x 16 Gb FC QSFP+: SWL.
   32 Gb FC SFP+: SWL, LWL.
   16 Gb FC SFP+: SWL, LWL, extended long wavelength (ELWL).
   10 Gb FC SFP+: SWL, LWL.

Port speeds
   128 Gb (4x 32 Gb) FC SWL QSFP+: 128 Gbps,  4x 32 Gbps, or 4x 16 Gbps.
   128 Gb (4x 32 Gb) FC LWL QSFP+: 128 Gbps or 4x 32 Gbps fixed.
   4x 16 Gb FC QSFP+: 4x 16/8/4 Gbps auto-sensing.
   32 Gb FC SFP+: 32/16/8 Gbps auto-sensing.
   16 Gb FC SFP+: 16/8/4 Gbps auto-sensing.
   10 Gb FC SFP+: 10 Gbps fixed.

Note: With Fabric OS 9.0 and later, the 4 Gbps port speed is supported only on the F_Port and N_Port port types.

FC port types
   Full Fabric mode: F_Port, M_Port (Mirror Port), E_Port, EX_Port (Requires an optional Integrated Routing License), D_Port (Diagnostic Port).
   Access Gateway mode: F_Port and NPIV-enabled N_Port.

Data traffic types Unicast (Class 2 and Class 3), multicast (Class 3 only), broadcast (Class 3 only).
Classes of service Class 2, Class 3, Class F (inter-switch frames).
Standard features Full Fabric mode, Access Gateway, Advanced Zoning, Fabric Services, 10 Gb FC, Adaptive Networking, Advanced Diagnostic Tools, Virtual Fabrics, In-flight Compression, In-flight Encryption.
Optional features Enterprise Bundle (ISL Trunking, Fabric Vision, Extended Fabric) or Mainframe Enterprise Bundle (ISL Trunking, Fabric Vision, Extended Fabric, FICON CUP), Integrated Routing.

Performance Non-blocking architecture with wire-speed forwarding of traffic:
   4GFC: 4.25 Gbit/sec line speed, full duplex
   8GFC: 8.5 Gbit/sec line speed, full duplex
   10GFC: 10.51875 Gbit/sec line speed, full duplex
   16GFC: 14.025 Gbit/sec line speed, full duplex
   32GFC: 28.05 Gbit/sec line speed, full duplex
   128GFCp: 4x 28.05 Gbit/sec line speed, full duplex
   Aggregated throughput: 2 Tbps
   Up to 780 ns port-to-port local switching latency (including FEC) (1 µs per node with compression)

Scalability
   Maximum number of switches in the fabric: 239
   Maximum frame size: 2,112-byte payload
   Maximum number of frame buffers per switch: 15,360
   Maximum number of ports per ISL trunk: 8x SFP+ or 2x QSFP+ (Up to 256 Gbps; ISL Trunking license is included in the Enterprise or Mainframe Enterprise bundle)

Cooling Three fans built into each power supply; N+N cooling redundancy with two power supplies. Non-port to port side airflow.
Power supply Two redundant hot-swap 250 W AC (100 - 240 V) power supplies (IEC 320-C14 connector).
Hot-swap parts SFP+/QSFP+ transceivers, power supplies with fans.
Management ports One 10/100/1000 Mb Ethernet port (UTP, RJ-45); one RS-232 port (Mini-USB for Models HC7, HC8, HC9; RJ-45 for all other models); one USB port (for additional firmware/log/configuration files storage).
Management interfaces EZSwitch Setup; Web-based GUI (Web Tools); Command Line Interface (CLI); SMI-S; SNMP; REST API. Optional Brocade SANnav Management Portal and SANnav Global View.
Security features Secure Socket Layer (SSL); 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)
Hardware warranty One-year customer-replaceable unit limited warranty with 9x5 next business day parts delivered.
Service and support Optional service upgrades are available through Lenovo Services: 9x5 next business day onsite response, 24x7 2-hour or 4-hour onsite response, 24x7 6-hour or 24-hour committed service repair, up to 5 years of warranty coverage, 1-year or 2-year post-warranty extensions, and Basic Hardware Installation Services.
Firmware entitlement

Models HC4, HC5, HC6, HC7, HC8, HC9: One year of firmware entitlement

Firmware entitlement extension licenses for Models HC4, HC5, HC6, HC7, HC8, HC9 are included in the warranty service upgrades.
Dimensions Height: 44 mm (1.7 in.); width: 440 mm (17.3 in.); depth: 356 mm (14.0 in.)
Weight Empty: 7.7 kg (17.0 lb); Fully configured: 8.5 kg (18.8 lb).