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Dell P9110 PERC 5i 7WH 3.7V Lithium-ion Battery Backup Unit
- Compatible with Dell PERC 5i RAID controllers
- Lithium-ion battery technology
- 7 Watt-hour capacity
- 3.7V nominal voltage
- Safeguards RAID controller cache
- Prevents data loss and corruption
- Ensures safe cache flushing during power outages
- Genuine Dell part
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Product Overview
The Dell P9110 is a Lithium-ion battery backup unit for PERC 5i RAID controllers, providing 7WH of power at 3.7V. It is essential for protecting data during power interruptions.
Technical Information
| Brand | Dell |
| Part Number | P9110 |
| RAID Controller Compatibility | PERC 5i |
Additional Specifications
| Battery Type | Lithium-ion |
| Capacity | 7 Wh |
| Voltage | 3.7 V |
Product Description
The Dell P9110 is a critical component designed to ensure data integrity for systems utilizing Dell PERC 5i RAID controllers. This Lithium-ion battery backup unit provides a temporary power source to the RAID controller's cache memory in the event of an unexpected loss of main AC power. This function is vital for preventing data corruption or loss that can occur if the controller's volatile cache is not properly managed during a power failure. With a capacity of 7 Watt-hours and a voltage of 3.7V, the P9110 is engineered to supply enough power for the PERC 5i controller to execute its safe shutdown procedures. This typically involves flushing any data held in the cache memory to the persistent storage drives, thereby ensuring that all pending write operations are completed. This process is fundamental to maintaining the consistency and reliability of the RAID array. This battery backup unit is an indispensable accessory for servers and workstations equipped with PERC 5i RAID configurations, especially those handling sensitive or critical data. Its role in protecting against data loss due to power interruptions makes it a key element in maintaining business continuity and data security. Regular checks are recommended to ensure optimal performance.
