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IBM ServeRAID-MR10k battery pack, rectangular black plastic module with connector

IBM

IBM ServeRAID-MR10k 43W4283 Battery Pack

SKU CH-BJBM-Z6P37

Provides backup power for the ServeRAID-MR10k SAS/SATA RAID controller

  • TypeBattery
  • Protects RAID cache data during power loss
  • Designed for IBM ServeRAID-MR10k SAS/SATA controllers
  • Genuine IBM part number 43W4283
  • Battery type built for RAID controller backup
  • New condition ensures full service life

IBM ServeRAID-MR10k Battery Pack

The IBM ServeRAID-MR10k Battery Pack is a dedicated battery module designed for the IBM ServeRAID-MR10k SAS/SATA Controller. It provides cache backup power to protect data integrity during unexpected power loss. This component is intended for server administrators maintaining compatible IBM RAID controller installations.

Thermals Noise and Power

As a passive battery unit, the pack operates without fans or active cooling, producing no audible noise during normal operation. It draws negligible power from the controller solely for charging and maintenance cycles. Thermal output is minimal and managed entirely within the controller enclosure environment.

Replacement and Upgrade Context

This battery pack replaces a depleted or failed unit in an existing ServeRAID-MR10k controller to restore write-back cache protection. The upgrade is warranted when the current battery no longer holds sufficient charge to safeguard cached data during an outage. It is not for controllers outside the specified ServeRAID-MR10k SAS/SATA compatibility list.

Highlights

  • Protects RAID cache data during power loss
  • Designed for IBM ServeRAID-MR10k SAS/SATA controllers
  • Genuine IBM part number 43W4283
  • Battery type built for RAID controller backup
  • New condition ensures full service life

Specifications

BrandIBM
TypeBattery

Questions about this item

How do I install the 43W4283 battery pack into the ServeRAID-MR10k controller?

Power down the server, open the chassis, locate the controller card, align the battery connector with the onboard header, press firmly until seated, close the case and power on; the step often missed is ensuring the connector is fully latched before restoring power.

What maintenance or replacement will the 43W4283 battery pack need over time?

The lithium-ion cell gradually loses capacity; plan to replace the pack every three to five years or when the controller firmware reports a degraded backup status during POST.

What limit appears first on the 43W4283 pack during sustained write-heavy workloads?

The onboard cache backup time is the first constraint; once the battery charge drops below the threshold needed to flush cached data to the SAS or SATA drives, the controller disables write-back caching to protect data integrity.

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