81Y4491 IBM ServeRAID M5100 Series Battery Kit
ibm
IBM System x internal replacement RAID controller cache battery backup unit (BBU) kit assembly (81Y4491 / 81Y4559) for ServeRAID M5110, M5110e, and M5120 SAS/SATA storage controllers.
The 81Y4491 is an internal data connectivity interface module engineered to deliver cost-effective network transformation and enhanced system stability within multi-node server frameworks. Functioning as a high-reliability battery backup unit and high-capacity system memory protection layer, this ServeRAID M5100 series cache battery kit assembly slides directly into enterprise chassis backplane bays using localized connection lines. Operating under system-regulated DC power parameters across multi-channel storage controller architectures, it establishes high-efficiency routing pathways to manage internal data processing pipelines across high-density databases, continuous multi-threaded enterprise workloads, and legacy hardware consolidations. Its modular battery backup layout and fault-isolated circuit architecture manage internal bus communication cleanly, shielding core operational paths from signaling latency, packet drops, or single-point-of-failure throughput disruptions during continuous high-availability enterprise runtime operations.
Alternative Part Numbers
- 81Y4491
- 81Y4559
- 81Y4490
- 81Y4486
- BAT1S1P-A
- L3-25407-01C