Absolutely. Although I wouldn't peg this to just legacy support - in my experience even modern SAS arrays take ages to come online. As the GP noted, modern sys

Absolutely. Although I wouldn't peg this to just legacy support - in my experience even modern SAS arrays take ages to come online. As the GP noted, modern systems coordinate the array through an integral backplane and control spin-up of individual disks plus a lot more. The main difference between a "server" and a desktop is the reliability/integrity/redundancy built into the system, which comes at the cost of boot time. A worthy trade-off in most cases, and once the system is "alive", the expected performance is achieved.