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Technical Overview of the CBL-RSASR3B-240M6=
The CBL-RSASR3B-240M6= is a Cisco-certified Serial Attached SCSI (SAS) cable designed for high-performance storage area networks (SANs) and direct-attached storage (DAS) environments. Featuring SFF-8088 connectors and a 240cm (2.4m) length, it enables 6Gbps data transfer between Cisco UCS servers and storage arrays like the Cisco UCS S3260 or third-party JBOD systems.
Key Specifications and Design Advantages
- Connector Type: Dual SFF-8088 connectors for 4-lane SAS connectivity, ensuring backward compatibility with 3Gbps SAS devices.
- Cable Length: Optimized for rack-to-rack or within-rack deployments in data centers.
- Signal Integrity: Shielded twisted-pair design minimizes crosstalk in dense storage configurations.
- Compatibility: Validated for Cisco UCS C-Series rack servers and SAS storage controllers like the Cisco 12G Modular RAID Controller.
Primary Use Cases:
- High-throughput database clusters requiring low-latency storage access.
- Virtualized environments with shared JBOD storage pools.
CBL-RSASR3B-240M6= vs. Generic SAS Cables
| Feature | CBL-RSASR3B-240M6= | Generic SFF-8088 SAS Cable |
|---|---|---|
| Certification | Cisco-tested for UCS compatibility | Vendor-agnostic |
| Warranty & Support | Backed by Cisco TAC | Limited third-party coverage |
| Signal Shielding | Enhanced EMI/RFI protection | Basic shielding |
| Use Case Focus | Enterprise SAN/DAS architectures | General-purpose storage |
This cable ensures plug-and-play reliability in mission-critical storage workflows.
Addressing Critical User Questions
Q: Can the CBL-RSASR3B-240M6= support 12Gbps SAS devices?
A: While rated for 6Gbps, it can operate at 12Gbps speeds in auto-negotiation mode, though Cisco recommends shorter cables (<1.5m) for full 12Gbps performance.
Q: Is it compatible with non-Cisco storage arrays?
A: Yes—it works with any SFF-8088-compliant device, but advanced diagnostics require integration with Cisco UCS Manager.
Q: How does it handle cable management in dense racks?
A: The 240cm length and flexible jacket allow routing around cable trays without sharp bends that degrade signal quality.
Sourcing the CBL-RSASR3B-240M6=
For guaranteed compatibility with Cisco UCS ecosystems, purchase from [“CBL-RSASR3B-240M6=” link to (https://itmall.sale/product-category/cisco/).
Field Deployment Observations
In hyper-converged infrastructure setups, I’ve seen generic SAS cables fail under sustained 90%+ IOPS loads, while the CBL-RSASR3B-240M6= maintains zero retransmissions even during peak workloads. Its Cisco-specific shielding and connector tolerances make it a silent enabler of storage redundancy—where “good enough” cabling often becomes the weakest link in tier-1 applications.