Adaptec ASR-72405 PCIe-3 RAID Controller Card

Adaptec ASR-72405 PCIe Gen3 RAID controller card provides dense storage expansion with 24 SAS/SATA ports and 1 GB on‑board cache in a single PCIe 3.0 card. The card uses a PCIe 3.0 x8 host interface and supports 6 Gb/s SAS/SATA drives, delivering hardware‑accelerated RAID for large multi‑drive arrays. As part of Adaptec's Series 7 RAID adapters, the ASR-72405 is designed for high‑port‑count deployments in servers and storage enclosures, offering reliable data handling for demanding workloads. This controller is commonly used to attach a large number of SAS/SATA drives for increased capacity in data centers, media libraries, backups, and archival systems where dense connectivity and caching can improve throughput and rebuild performance. The model is listed under part numbers such as 72405 and 2274900-R across retailers, reflecting its role as a legacy but durable option for enterprise storage expansion.