The HP Smart Array E200i (part number 399548-B21) is a PCI-Express x4 SAS RAID controller designed for HP ProLiant DL360 and DL365 G5 servers. It features 64MB of onboard cache to accelerate I/O operations and supports Serial Attached SCSI (SAS) and SATA drives in RAID 0, 1, 5, 6, and 50 configurations. The controller enables hardware-based RAID management, improving storage performance and data redundancy across multiple drive arrays. Typical applications include database servers, file storage, and virtualization hosts that require reliable, high-throughput storage with enterprise-class fault tolerance. Compatible with standard x4 PCI-Express slots in G5-generation ProLiant servers.
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