The IBM 01DH545 6Gb 4-Port PCIe RAID Adapter (CCIN 57B4) is an enterprise SAS RAID controller designed for IBM Power Systems and high-performance server storage environments. It provides external storage connectivity and hardware RAID processing for enterprise disk enclosures used in data centers.

This adapter is based on a PCIe Gen3 architecture and supports four external Mini-SAS HD ports, allowing connection to multiple disk shelves and storage arrays. It is commonly deployed in IBM Power8 and related enterprise systems where reliable, redundant storage access is required.

It is designed for continuous 24/7 operation and is used in mission-critical environments such as virtualization platforms, database servers, and enterprise SAN infrastructures.

Specifications:

• Part Number: 01DH545
• CCIN: 57B4
• Type: SAS RAID Controller / Storage Adapter
• Interface: PCIe 3.0 x8
• Ports: 4 × External Mini-SAS HD connectors
• Speed: 6Gb/s per SAS lane
• RAID Support: RAID 0, 5, 6, 10 (platform dependent)
• Function: External storage connectivity + hardware RAID management
• Application: IBM Power Systems, enterprise storage arrays, data centers
• Form Factor: Low-profile server adapter card

Features:

• Four-port external SAS connectivity for enterprise storage expansion
• Hardware RAID support for data protection and performance optimization
• Designed for IBM Power Systems enterprise platforms
• Built for high-availability and continuous 24/7 operation
• Ideal for SAN, backup, and storage array environments
• High-speed PCIe Gen3 interface for stable throughput
• Supports large-scale enterprise storage configurations
• Reliable construction for mission-critical workloads