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IBM 27H0654 4-Ports 64MB Cache SSA RAID Controller Card for RS6000

SKU 27H0654
Brand IBM
  • 4-Port SSA (Serial Storage Architecture) interface
  • 64MB integrated cache memory
  • RAID controller for data redundancy and performance
  • Compatible with IBM RS6000 servers
  • Supports multiple RAID levels (e.g., RAID 0, 1, 5, 10)
  • Improves I/O throughput for storage subsystems
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Key specifications

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Port Type
SSA (Serial Storage Architecture)
Number of Ports
4
Cache Memory
64MB
RAID Controller
Yes
Form Factor
Controller Card
Compatibility
IBM RS6000

Product details

The IBM 27H0654 is a 4-port SSA RAID controller card for RS6000 systems, featuring 64MB of cache. It is designed to enhance storage performance and data protection.

Technical Information

Port TypeSSA (Serial Storage Architecture)
Number of Ports4
Cache Memory64MB

Additional Specifications

RAID ControllerYes
Form FactorController Card
CompatibilityIBM RS6000

Description

The IBM 27H0654 is a high-performance RAID controller card specifically developed for the IBM RS6000 server family. It leverages the Serial Storage Architecture (SSA) interface, which provides a robust and fast connection for storage devices, ensuring reliable data transfer. This controller is equipped with 64MB of onboard cache memory, a critical component that significantly boosts the performance of storage operations by buffering data. This cache helps to reduce the latency associated with disk access, leading to faster application response times and improved overall system efficiency. This controller card is designed to implement various RAID (Redundant Array of Independent Disks) configurations, offering flexibility in how data is stored and protected. By supporting different RAID levels, such as RAID 0 for performance, RAID 1 for mirroring, RAID 5 for parity, and RAID 10 for a combination of performance and redundancy, it allows administrators to tailor the storage solution to specific needs. The primary benefit of RAID is enhanced data availability and fault tolerance, as it can protect against single or multiple drive failures, thereby minimizing downtime and data loss. As an integral part of the RS6000 server's storage subsystem, the 27H0654 offloads the complex tasks of RAID management from the main system processor. This dedicated processing power ensures that storage operations are handled efficiently without impacting the performance of other server tasks. The 4-port SSA interface provides the necessary connectivity for multiple drives or storage expansion units, making it a versatile solution for demanding enterprise environments that require high levels of data integrity and performance.

Condition: Refurbished

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