HPE Smart Storage Battery Pack Megacell 260mm Flash-Based Write Cache (FBWC) module 827349-001

In a busy data center, a sudden power loss can corrupt cached write data, leading to downtime and data loss. The HPE Smart Storage Battery Pack Megacell 260mm Flash-Based Write Cache (FBWC) Module (827349-001) is the safeguard for HPE ProLiant Gen9 and Gen10 servers. It provides backup power to the flash-backed write cache on HPE Smart Array P-series controllers, ensuring that cached data is preserved during power interruptions and written to flash upon restoration.

Key specifications

• Product Type: Smart Storage Battery
• Battery Technology: Lithium-Ion (Li-Ion)
• Cable Length: 260 mm
• Battery Type: Megacell
• Voltage: 3.7 V
• Installation Location: Internal
• Hot-Swap Support: Yes (for compatible systems)
• Compatibility: HPE Smart Array P-series controllers (e.g., P440, P840, P408i-a, P816i-a)
• Compatible Servers: HPE ProLiant Gen9 and Gen10
• Form Factor: Proprietary Module with Cable

Why choose it

This battery module is a genuine HPE spare part (option part number P01366-B21) specifically engineered for HPE server environments. It ensures data integrity and system reliability by protecting the write cache during unexpected power loss. Its hot-swap capability in compatible systems allows for replacement without downtime, making it ideal for mission-critical operations.

Ideal use cases

• Data centers running HPE ProLiant Gen9/Gen10 servers with Smart Array controllers
• Environments requiring high availability and data protection against power failures
• IT administrators seeking a reliable replacement battery for FBWC modules

Good to know

The battery connects via a 260 mm cable to the controller's cache module. It is designed for internal installation and is compliant with RoHS environmental standards. Note that this is a spare part; the complete kit is often sold under option part number P01366-B21.