Product Type | Switch Expansion Module |
Manufacturer | Lenovo |
Model | DB720S 8-Port SW License (8x64Gb SWL) |
Manufacturer Part Number | 4M27A65820 |
Switch Type | Fibre Channel SAN Switch License |
Form Factor | SFP |
Supported Transceivers | 64Gb Shortwave Optical (SWL) SFP |
Number of Ports Enabled | 8 ports |
Total Bandwidth | 512Gbps |
Power Consumption | Dependent on base unit (DB720S) |
Intended Application | Data Center / SAN Virtualization Expansion |
LENOVO DB720S 8-Port SW License (8x64Gb SWL)



Key Benefits

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- Enables seamless network scalability with 8x64Gb port expansion
- Ideal for high-bandwidth applications like SANs and virtualization
- Cost-effective alternative to full switch replacement or major hardware upgrades
Product Overview
The LENOVO DB720S 8-Port SW License (8x64Gb SWL) is a high-performance network expansion module designed to enhance switch capacity with eight additional 64Gb ports. It uses SFP form factors, ensuring modularity and compatibility with existing infrastructure. Though COO and TAA compliance are unspecified, the product is well-suited for data center scaling, SANs, and virtualization workloads. Its SWL compatibility supports fast short-range optical communication, optimizing throughput for high-bandwidth environments.
Specifications
Product Overview
Physical & Environmental
Device Form Factor | Modular Expansion for Switch Chassis |
Dimensions (W x D x H) | Dependent on DB720S base unit |
Weight | Dependent on base switch configuration |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
Operating Humidity | 10% to 85% (non-condensing) |
Storage Humidity | 20% to 90% (non-condensing) |
Cloud Management & Licensing
License Type | Port Activation License |
Compatible Platform | Lenovo DB720S Fibre Channel Switch |
Management Interface | Dependent on base switch: CLI, Web GUI, SNMP |
Cloud Management Capable | Integrated with Lenovo XClarity (via base unit) |
Licensing Model | Feature-on-demand (FOD) |
Interfaces
Interface Type | Fibre Channel |
Data Transfer Rate Per Port | 64Gbps |
Total Port Count Licensed | 8 |
Port Type | SFP+ Optical Ports |
Transceiver Type Supported | Shortwave Laser (SWL) |
Hot-Pluggable | Yes |
Port Licensing Model | On-demand license-based port activation |
Compliance & Origin
Country of Origin | |
TAA Compliant | |
Compliance Standards | RoHS, IEC 60950-1, EN 55032 Class A, EN 55024 |
Certifications | CE, FCC Class A, UL, VCCI |
Advanced Security Features
Secure Access | Role-Based Access Control (via DB720S switch) |
Secure Firmware Updates | Digitally signed firmware support |
Authentication | RADIUS, LDAP, TACACS+ (via base system) |
Port Security | Yes (via Fibre Channel zoning and policy enforcement) |