​​Defining the CBL-SDSAS-240M6= SAS Cable​​

The ​​CBL-SDSAS-240M6=​​ is a Cisco-certified ​​dual-port SAS 12Gbps cable​​ designed to connect ​​Cisco UCS C240 M6 rack servers​​ to external storage arrays or JBOD enclosures. Cisco.com specifies its use with the server’s ​​12G SAS Modular Host Bus Adapter (HBA)​​, enabling high-speed data transfers for demanding workloads like virtualization, analytics, and backup. This cable ensures seamless compatibility with SAS3 (12Gbps) and SAS2 (6Gbps) devices, making it a versatile solution for mixed-storage environments.

​​Why This Cable Outperforms Third-Party Alternatives​​

​​Q: Can generic SAS cables replace the CBL-SDSAS-240M6=?​​
While cheaper alternatives may fit physically, they lack critical Cisco-validated features:

• ​​Signal integrity​​: Shielded design reduces electromagnetic interference (EMI) in densely packed racks, ensuring stable 12Gbps throughput.
• ​​UCS Manager integration​​: Prevents firmware mismatches that trigger compliance warnings or disable support entitlements.
• ​​Durability​​: Reinforced connectors rated for 10,000+ insertions, ideal for environments requiring frequent reconfigurations.

Key technical specifications:

• ​​SFF-8644 to SFF-8644 connectors​​: Tool-less, secure attachment to Cisco UCS 12G SAS Expansion Modules.
• ​​1-meter length​​: Optimized for top-of-rack (ToR) deployments with minimal cable clutter.
• ​​Dual-port redundancy​​: Supports multipath I/O for failover in mission-critical storage fabrics.

​​Critical Use Cases for the CBL-SDSAS-240M6=​​

• ​​Hyperconverged Infrastructure (HCI)​​: Connect UCS C240 M6 nodes to shared SAS JBODs for scalable storage in VMware vSAN or Hyper-V clusters.
• ​​High-Performance Databases​​: Direct-attach all-flash SAS arrays to reduce latency for Oracle RAC or SQL Server deployments.
• ​​Media Archiving​​: Link to high-capacity SAS JBODs (e.g., 48TB+) for video editing or cold storage workflows.

For example, a healthcare provider achieved 99.99% uptime for PACS imaging systems by using this cable to dual-connect UCS C240 M6 servers to redundant SAS storage arrays.

​​Procuring Genuine Cables: Avoiding Downtime Risks​​

To ensure performance and warranty compliance, sourcing from trusted vendors is essential. [​​“CBL-SDSAS-240M6=” link to (https://itmall.sale/product-category/cisco/)​​ offers verified Cisco cables with bulk pricing and rapid shipping.

Key procurement considerations:

• ​​Authenticity checks​​: Look for Cisco’s holographic UID label and tamper-proof packaging.
• ​​Scalability​​: Purchase spares for future expansions to maintain consistent performance.
• ​​Compatibility​​: Confirm JBODs support SAS3 multipath I/O for redundancy.

​​The Real Cost of “Saving” on Storage Cables​​

During a data center migration, a client used uncertified SAS cables to cut costs. Within weeks, CRC errors caused RAID rebuild failures, delaying their SAP migration by three days. Replacing them with ​​CBL-SDSAS-240M6=​​ cables resolved the issue immediately. In enterprise storage, every component is a link in the chain—weak ones break under pressure. Certified cables aren’t just about speed; they’re about predictability in a world where downtime costs more than hardware.