Gone is the day that you need a battery backup for Adaptec’s RAID controller cards, as the company has introduced a daptec is rolling out the 5Z upgrade to RAID controller cards with low port counts first. Among the cards is the 5445Z which has four internal and four external ports, the 5805Z with 8 internal ports and the 5405Z with 4 internal ports. The change will be phased into cards with higher ports progressively. For now, the mentioned devices are available and priced from $785 to $1,045.