Host Interface Card Lenovo 4C57A14377 SAS-3 x2 for ThinkSystem DE2000H Hybrid

Lenovo Host Interface Card 4C57A14377 SAS-3 x2 for ThinkSystem DE2000H Hybrid is a dual-port SAS-3 host interface engineered to connect servers or external enclosures to the DE2000H Hybrid storage array. The card implements two external SAS-3 ports to enable high-bandwidth, low-latency links between the storage system and host devices, simplifying cabling and providing a reliable path for block-level data access in enterprise storage environments.

Advantages

This host interface card supports the SAS-3 specification, providing up to 12 Gbps per lane performance per port and backwards compatibility with previous SAS generations. The dual-port design allows for redundant or aggregated connections to improve availability and throughput. Its compact interface format integrates with the ThinkSystem DE2000H architecture to enable straightforward external attachment of hosts or expansion enclosures while maintaining signal integrity and stable data transfer for demanding workloads.

Suitable for

• Connecting physical servers to the ThinkSystem DE2000H Hybrid array
• Attaching external expansion enclosures to increase storage capacity
• High-throughput block storage access in enterprise and data center environments
• Environments requiring redundant host paths for availability and failover

Key specifications

• Interface type: External SAS-3 (12 Gbps per lane) with two ports
• Transfer rate: SAS-3 speeds up to 12 Gbps per lane, per port
• Compatibility: Designed for integration with the ThinkSystem DE2000H Hybrid storage array
• Function: Host connectivity for block-level storage access and external enclosure attachment
• Physical form: External dual-port host interface card compatible with DE2000H host bays

How to use

Install the host interface card in the DE2000H Hybrid host slot according to the array installation guide, and connect the card’s external SAS-3 ports to server HBAs or expansion enclosures using appropriate SAS-compatible cables. Configure host connectivity and multipath settings on connected servers as required by your operating system and storage management software to enable access to logical units presented by the DE2000H. Verify link status and performance through the storage array management interface after connection.

Recommendations

Use certified SAS-3 cables rated for 12 Gbps and follow Lenovo’s DE2000H installation and cabling guidelines. For redundancy and best performance, provision dual paths from hosts to the array and enable multipathing. Monitor firmware compatibility between host HBAs and the DE2000H to ensure stable operation.