Dell 4R84R PERC Serial Attached SCSI (SAS) PCIe Raid Controller

Description

The Dell 4R84R is a hardware RAID controller card that utilizes the Serial Attached SCSI (SAS) interface and connects via a PCIe slot. This type of controller is designed to manage multiple hard drives or SSDs, creating logical volumes (RAID arrays) that offer improved performance, data redundancy, or both, compared to individual drives. By performing RAID calculations in hardware, it offloads this processing from the server's CPU, freeing up system resources and enhancing overall server performance, especially in I/O-intensive applications. This controller supports SAS drives, which are known for their high performance, reliability, and suitability for enterprise environments, as well as SATA drives, offering flexibility in drive selection. It is compatible with various RAID levels, commonly including RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), RAID 5 (striping with parity for a balance of performance and redundancy), and RAID 10 (striped mirrors for high performance and redundancy). The specific RAID levels supported may vary depending on the exact model and firmware version. The 4R84R is intended for integration into Dell PowerEdge servers, ensuring compatibility with the server's architecture and drive bays. It plays a crucial role in protecting critical business data against drive failures and improving the speed at which data can be accessed and written. This makes it an essential component for maintaining the integrity and performance of storage systems in demanding business environments.

Condition: Refurbished