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IBM
IBM 81Y4451 Li-ion RAID Controller Battery for ServerRAID M5000
Li-ion RAID controller battery backs up cache memory for ServerRAID M5000 systems
- Protects RAID cache data during power loss with a dedicated lithium-ion battery
- Designed for ServerRAID M5000 controllers to maintain write-back cache integrity
- Compact 2.2 × 2.13 × 1 inch form factor fits standard controller mounting positions
- Lightweight 5.1 gram lithium-ion cell provides reliable backup without adding bulk
IBM 81Y4451 RAID Battery
The IBM 81Y4451 is a lithium-ion battery module designed for the ServerRAID M5000 controller. It provides backup power to preserve write-cache data during unexpected power loss. This component is intended for server administrators maintaining existing M5000 deployments.
Capacity and headroom
The battery sustains cache memory long enough for safe write-back operations during brief outages. It does not extend runtime for the server itself or support extended uptime. Capacity diminishes with age and charge cycles, eventually requiring replacement to maintain data integrity. Buyers needing longer backup duration or support for different controller models should look elsewhere.
Besonderheiten
- Protects RAID cache data during power loss with a dedicated lithium-ion battery
- Designed for ServerRAID M5000 controllers to maintain write-back cache integrity
- Compact 2.2 × 2.13 × 1 inch form factor fits standard controller mounting positions
- Lightweight 5.1 gram lithium-ion cell provides reliable backup without adding bulk
Technische Daten
| Brand | LSI |
|---|
Fragen zu diesem Artikel
Will the 81Y4451 battery work with my existing ServerRAID M5000 controller?
Yes, this Li-ion battery is designed for the ServerRAID M5000 and will maintain cache data during power loss.
How can I confirm the 81Y4451 battery is functioning after installation?
The ServerRAID management software will report the battery status as optimal and show a full charge cycle completing.
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