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HP P16851-B21 Smart Storage Battery With 145mm Cable
- Provides backup power for HP Smart Array RAID controllers.
- Protects data in RAID controller cache during power loss.
- Includes a 145mm cable for connection.
- Helps prevent data corruption and loss.
- Designed for specific HP ProLiant server environments.
- Ensures RAID configuration and data remain intact.
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Typically 1-2 handling + 3-7 transit days
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For government, enterprise, data center, and small business customers.
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Product Overview
The HP P16851-B21 is a Smart Storage Battery designed to provide backup power for RAID controllers in HP ProLiant servers. It ensures data integrity during power outages by maintaining cache memory until data can be written to persistent storage.
Technical Information
| Product Type | Smart Storage Battery |
| Cable Length | 145mm |
Additional Specifications
| Compatibility | HP Smart Array RAID Controllers |
| Part Number | P16851-B21 |
Product Description
The HP P16851-B21 Smart Storage Battery is a crucial component for enterprise-level data protection within HP ProLiant server environments. Its primary function is to supply auxiliary power to the cache memory of compatible HP Smart Array RAID controllers. This battery backup unit (BBU) ensures that any data residing in the controller's volatile cache is not lost in the event of an unexpected power interruption, such as a power outage or a server reboot. By providing a stable power source, it allows the controller sufficient time to write the cached data to non-volatile storage, thereby preventing data corruption and ensuring the integrity of RAID volumes. This particular model comes equipped with a 145mm cable, facilitating its connection to the designated port on the Smart Array RAID controller. The battery is designed for long-term reliability and is engineered to meet the demanding operational requirements of data centers and mission-critical applications. Its integration is straightforward for administrators familiar with HP server hardware, making it an essential upgrade or replacement part for maintaining robust data redundancy and availability. Beyond simply preventing data loss, the HP P16851-B21 contributes to overall system uptime and reduces the risk of costly data recovery operations. It is a key element in a comprehensive data protection strategy, working in conjunction with RAID configurations to safeguard against hardware failures and power disturbances. The Smart Storage Battery is a testament to HP's commitment to providing reliable and secure storage solutions for businesses.
