Product Description
IBM 44V4145 / 74Y5667 New Cache Battery
The IBM 44V4145 (cross-referenced as 74Y5667) is a new replacement cache battery pack for select IBM PCI-X and PCIe RAID disk controllers. This 3.7V Lithium-Ion battery provides essential backup power to the write cache, preserving data integrity during power loss and enabling reliable write-back caching in high-availability IBM i and Power Systems environments.
Key Features
- New, fully charged Li-Ion cache battery designed for maximum service life.
- Protects RAID write cache data from loss during power interruptions.
- Direct replacement for depleted, expired, or failed batteries.
- Compatible with a wide range of IBM RAID adapter feature codes and FRUs.
- Restores full non-volatile cache performance and data protection.
Technical Specifications
| Attribute | Details |
|---|---|
| Part Numbers | 44V4145, 74Y5667 |
| Type | Cache battery pack (rechargeable Li-Ion) |
| Voltage | 3.7V |
| Primary Use | Backup power for RAID controller write cache |
| Condition | New |
This new cache battery is critical for maintaining protected write caching on RAID adapters, preventing data corruption or loss during power events. Replacing an aging or discharged battery with the IBM 44V4145 / 74Y5667 restores optimal controller performance and ensures data integrity compliance in IBM i production systems. As a genuine new IBM part, it offers the longest operational life and highest reliability compared to used or third-party alternatives, supporting continued use of legacy RAID controllers without premature upgrades.
Compatibility
The IBM 44V4145 / 74Y5667 cache battery is compatible with numerous IBM RAID controllers and adapters, including:
- 5679 and 57B7
Warranty: 60 days from DataTechComputer.com.