Adaptec ASR-71605 PCI Express RAID Controller

Adaptec ASR-71605 is a 16-port SAS/SATA RAID controller card that plugs into a PCIe 3.0 x8 slot, designed to deliver hardware RAID performance for dense drive arrays in servers and workstations. It belongs to Adaptec's Series 7 family and uses the MD2 low-profile form factor, with four internal mini-SAS HD (SFF-8643) connectors carrying all 16 ports. It supports SAS/SATA drives at 6Gb/s and offers RAID levels 0, 1, 5, 6, 10, 50, and 60 for data protection and performance. It includes 1GB of onboard cache memory to accelerate I/O, and certain SKUs offer a battery/flash module to protect cached data during power loss events. Typical bundles include a low-profile bracket option, reflecting the card's use in compact server lines. Overall, the ASR-71605 provides a dense, PCIe-based RAID solution for expanding storage capacity in data centers and compact servers, delivering broad RAID support and cache-assisted performance.