Product Description
The IBM 5904 PCI-X DDR 1.5GB Cache SAS RAID Adapter (42R3965) functions as a high-performance SAS disk controller for IBM Power Systems. This double-wide adapter delivers up to 1.5 GB compressed write cache and 1.6 GB compressed read cache, supporting 3 Gb/s SAS connectivity. It enables RAID levels 5, 6, and 10, integrating into Power6 and Power7 environments with compatibility across AIX, IBM i, and Linux, promoting effective storage management.
Key Features
- Double-wide PCI-X adapter requiring two adjacent slots for installation.
- 1.5 GB compressed write cache and 1.6 GB compressed read cache for enhanced data handling.
- Supports RAID 5, 6, and 10 configurations for data protection.
- 3 Gb/s SAS interface with auxiliary write cache protection.
- IOPless design for streamlined operations in compatible systems.
This adapter supports efficient storage scaling, with features like hot-swap drive support and battery-backed cache to maintain data integrity during power events.
Technical Specifications
| Feature | Details | 
|---|---|
| Form Factor | PCI-X DDR, double-wide (requires two slots) | 
| Cache | 1.5 GB compressed write, 1.6 GB compressed read | 
| Interface | 3 Gb/s SAS | 
| RAID Levels | 5, 6, 10 | 
| Part Number | 42R3965 | 
| Feature Code | 5904 | 
| CCIN | 572F and 575C | 
| Bus Speed | 64-bit PCI-X | 
System Compatibility
The IBM 5904 is suitable for various IBM Power Systems models, including:
- Power6: 8203-E4A, 8204-E8A, 9117-MMA
- Power7: Similar models supporting PCI-X slots
Does not support media expansion units. Requires adjacent slots for the controller and cache card.
Operating System Support
This adapter operates with specific versions on supported platforms:
- AIX 5.3, 6.1, 7.1
- IBM i 5.4, 6.1, 7.1
- Linux distributions such as Red Hat Enterprise Linux and SUSE Linux Enterprise Server
Each unit from DataTech Computer is fully tested for operational integrity, including a 60-day warranty.
 
             
             
         
           
           
           
           
          