For home users building a simple file server in 2005, the IXP 400’s RAID 1 (mirroring) was reliable. It didn't have the latency spikes that plagued some VIA chipsets.
While functional, the IXP 400 was eventually superseded by the IXP 450 and later AMD-branded chipsets following AMD’s acquisition of ATI. Its design focused on and power management, which were innovative for the burgeoning mobile computing market of the mid-2000s. Today, the chip is primarily seen in the legacy hardware market for laptop repair and component replacement. ati ixp 400