| Product SKU | DB820S |
|---|---|
| Form Factor | 1U |
| Ports | 24x 128G SFP+ ports standard, expandable to 56 with Ports on Demand |
| Total Bandwidth | 7.168 Tbps |
| Link Speeds | 16, 32, 64 and 128 Gbps auto-sensing |
| Optics | 128Gbps SFP+ with LC connector; SWL, LWL 10km and ELWL 20km, also running at 64G and 32G |
| Power Supply | Dual, hot-swappable, redundant power supplies with integrated system cooling fans (80 Plus Platinum) |
| Management | Management |
| Enclosure | Back-to-front airflow; non-port-side intake (NPI); 1U |
| System Architecture | System Architecture |
| Fibre Channel Ports | Switch mode (default): 56 128G SFP+ ports, each supporting E_Ports, F_Ports, N_Ports, M_Ports, D_Ports, and EX_Ports |
| Scalability | Full-fabric architecture with a maximum of 239 switches |
| Certified Maximum | 4K active nodes; 56 switches, 19 hops in Brocade Fabric OS® fabrics |
| Performance | Autosensing of 128G, 64G, 32G, and 16G port speeds depending on SFPs used with wire-speed forwarding of traffic: |
| ISL Trunking | • Frame-based trunking with up to eight SFP+ ports per ISL trunk; up to 1,024Gb/s per ISL trunk. |
| Aggregate Bandwidth | 7.168 Tb/s |
| Maximum Fabric Latency | Latency for locally switched ports is 580 ns at 128G with dual forward error correction (FEC) |
| Maximum Frame Size | 2112-byte payload |
| Frame Buffers | 40K per switching ASIC |
| Classes Of Service | Class 2, Class 3, Class F (inter-switch frames) |
| Port Types | • D_Port (ClearLink® Diagnostic Port), E_Port, EX_Port, F_Port or AE-Port M_Port; Optional port-type control |
| Data Traffic Types | Fabric switches supporting unicast |
| Media Types | All Brocade transceivers are PC/UPC compatible |
| USB Port | One standard USB port for firmware download, SupportSave, and configuration upload or download. |
| Fabric Services | BB Credit Recovery; Brocade Advanced Zoning (Default Zoning, Port/WWN Zoning, Peer Zoning); Congestion Signaling; Dynamic Path Selection (DPS); Extended Fabrics; Fabric Performance Impact Notification (FPIN); Fabric Vision; FDMI; FICON CUP; Flow Vision; F_Port Trunking; FSPF; Integrated Routing; ISL Trunking; Management Server; NPIV; NTP v3; Port Decommission/Fencing; QoS; Registered State Change Notification (RSCN); Name Server; SAN Fabric Intelligence (SAN FI); Slow Drain Device Quarantine (SDDQ); Target-Driven Zoning; Adaptive Traffic Optimizer; Virtual Fabrics (Logical Switch, Logical Fabric); VMID+ and AppServer. |
| Long Distance | Fibre Channel, in-flight compression (Brocade LZO) and encryption (AES-GCM-256 encryption on FC ISLs [E_Port]); support for DWDM MAN connectivity |
| Security | AES-GCM-256 encryption on FC ISLs (E_Port); Device Connection Control (DCC); DH-CHAP (between switches and end devices); Federated Authentication; FCAP switch authentication; HTTPS; IP filtering; OpenLDAP; Port Binding; Principle of Least Privilege Architecture; user-defined Role-Based Access Control (RBAC); Secure Boot; Secure Copy (SCP); Secure Syslog; SFTP; SSH v2; SSL; Switch Binding; TLS1.3; PQC Algorithms; Trusted FOS Certificates (TruFOS); USGv6 compliant |
| Diagnostics | Active Support Connectivity (ASC) and Brocade Support Link (BSL); built-in flow generator; ClearLink optics and cable diagnostics, including link traffic/latency/distance; Fabric Performance Impact Monitoring (FPI); flow mirroring; Dual Forward Error Correction (FEC); frame viewer; IO Insight for SCSI and NVMe monitoring; Monitoring and Alerting Policy Suite (MAPS); nondisruptive daemon restart; optics health monitoring; POST and embedded online/offline diagnostics, including environmental monitoring, FCping and Pathinfo (FC traceroute); power monitoring; RAStrace logging; Rolling Reboot Detection (RRD); SAN Fabric Intelligence (SAN FI); Syslog/Audit Log; VM Insight |
| Support | Support |
| Warranty | Three-year customer-replaceable unit limited warranty with 9×5 next business day parts delivered. Three-year software/firmware entitlement. |
| Power | Dual, hot-swappable, redundant power supplies with integrated system cooling fans (80 Plus Platinum) |
Networking
Lenovo ThinkSystem DB820S Gen 8 FC SAN Switch
The Lenovo ThinkSystem DB820S Gen 8 FC SAN Switch is a storage network switch from Lenovo, supporting Switch mode.
Overview
The Lenovo ThinkSystem DB820S Gen 8 FC SAN Switch is a storage network switch from Lenovo supporting Switch mode (default): 56 128G SFP+ ports, each supporting E_Ports, F_Ports, N_Ports, M_Ports, D_Ports, and EX_Ports.
It provides D_Port (ClearLink® Diagnostic Port), E_Port, EX_Port, F_Port or AE-Port M_Port; Optional port-type control. delivering 7.168 Tb/s.
Key Features
- Ports and port types: Switch mode (default): 56 128G SFP+ ports, each supporting E_Ports, F_Ports, N_Ports, M_Ports, D_Ports, and EX_Ports / 24-port base configuration; additional ports are enabled with four 8-port SFP+ PODs (Ports on Demand), scaling the switch from 24 ports to 56 ports …
- Bandwidth: 7.168 Tb/s
- Management and software: Management / Brocade Advanced Web Tools; Brocade SANnav Management Portal and SANnav Global View; Command Line Interface (CLI); HTTP/HTTPS; RESTful API; SNMP v1/v3 (FE MIB, FC Management MIB); SSH …
- Power and cooling: Dual, hot-swappable, redundant power supplies with integrated system cooling fans (80 Plus Platinum)
Applications
- Fibre Channel SAN fabric expansion
- NVMe over Fibre Channel and all-flash storage networking
- Data center consolidation and fabric modernization
- Mission-critical storage networking with high availability
Configuration, availability and lead time depend on the required quantity, chassis and CPU platform, and delivery destination. Send your requirement to receive a quotation.
