RAID Controllers are of the utmost importance in your system configuration. They manage your Hard Disk Drives and/or Solid State Drives so that they work as a logical unit, ensuring they store and retrieve your data effectively and correctly.?For your?Dell PowerEdge R920 and T620 server?configuration, the?Dell 4Y5H1 RAID Controller?is a solid choice and one that will give you several features to help with storage management. This Raid Controller Card provides a 12G transfer rate.?The?Dell 4Y5H1?has been removed from a working unit, tested for complete functionality by our expert in-house Dell Certified Technician, and is ready to ship today!?Purchase with confidence, as the photos above represent the exact quality of your items, which are bundled with our?90 Day Warranty.?*Please note, we have additional Dell 4Y5H1 in stock; feel free to send a message and we will update the quantity to suite your specific needs.*?Thank you for choosing AltaTech for all your New and Re-marketed IT Gear!