Name: 00H21G Dell 3.7V Lithium-Ion Battery Backup Unit for PERC RAID Controllers
Brand: Dell
SKU: 00H21G
Price: 80.35 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell 00H21G MegaRAID Li-Ion Battery with Cable is a vital battery backup unit (BBU) for Dell PERC RAID controllers, primarily serving to protect cached data on the RAID controller's memory. Operating at 3.7 volts and utilizing reliable Lithium-Ion technology, this battery ensures that in the event of a power outage or fluctuation, pending writes to the disk array are completed, thereby preventing data loss and corruption. It is compatible with a range of Dell PowerEdge servers, including models from the C, R, and T series (e.g., C1100, R420, T620), and is an indispensable part for maintaining data integrity and system availability in server environments.

General Information
Brand	Dell
Part Number	00H21G

Physical Characteristics
Condition	Refurbished
Weight	5.00

Product Description
The Dell MegaRAID Li-Ion Battery with Cable (00H21G) is an essential component for maintaining the reliability and performance of your Dell server's RAID array. It acts as a battery backup unit (BBU), protecting cached data on the RAID controller in the event of unexpected power loss, preventing data corruption and loss. Key Features 3.7V Lithium-Ion (Li-Ion) battery technology Specifically designed for Dell MegaRAID SAS Controllers (e.g., IBBU07) Integrates with various Dell PowerEdge server models Helps protect data integrity during power failures Ensures continuous operation and data availability This battery is critical for environments where data protection and continuous system uptime are paramount. It's commonly used in enterprise servers, data centers, and other mission-critical applications to safeguard valuable data on RAID configurations.

Use Cases
The 00H21G Dell MegaRAID Lithium-Ion Battery is primarily utilized in enterprise and data center environments where Dell PowerEdge servers operate critical storage workloads. IT managers and system administrators rely on this battery to maintain data integrity during unexpected power disruptions, especially in virtualized infrastructures and high-availability clusters. How It's Used: Supporting data protection in Dell PowerEdge rack servers running virtualization platforms to prevent cache data loss during power events. Ensuring consistent RAID controller operation in storage clusters within enterprise IT environments managing large datasets. Providing battery backup in remote office server deployments where power reliability may be intermittent. Maintaining write cache integrity in Dell PowerEdge servers used for database applications and transaction processing. Enhancing uptime and data safety in high-density data centers with critical backup and archival workloads. By securing cached writes during outages, this battery helps reduce the risk of data corruption and improves system resilience. Its role is pivotal in maintaining continuous operation and scalability of storage solutions across demanding IT deployments.

00H21G Dell 3.7V Lithium-Ion Battery Backup Unit for PERC RAID Controllers

Product Overview

General Information

Physical Characteristics

Product Description

Use Cases