The LENOVO 46M0826, better known as the IBM ServeRAID MR10k, is a powerful RAID controller that enhances the performance and reliability of server storage systems without the need for a battery backup. This RAID controller supports a wide range of RAID levels including 0, 1, 5, 6, 10, 50, and 60, offering flexibility in storage configuration and redundancy options to meet diverse business needs. It is designed for use in high-performance environments where data integrity and availability are critical. The MR10k utilizes a PCI Express interface for high-speed connectivity and is compatible with both SAS and SATA drives, allowing for a mix of drive types depending on performance and budgetary considerations. One of the key features of this model is its capability to operate without a battery, instead using a flash-based or non-volatile cache to protect data in case of power loss. This feature reduces maintenance requirements and eliminates the need to replace batteries over the controller’s lifespan. It supports various IBM server models, making it a versatile choice for businesses looking to upgrade their storage systems. The 46M0826 is designed for efficient operation, with features like Online Capacity Expansion (OCE) and RAID Level Migration (RLM), allowing for seamless storage upgrades and adjustments.