Graph shows vendor revenue shares for three quarterly periods: Q1CY11, Q1CY12,Q1CY13.Since UCS first recorded IDC vendor revenue in Q3CY09, HP has lost 7.3% share (50.3% in Q3CY09 to 42.9% in Q1CY13) and IBM has lost 13.3% (29.1% to 15.8%).Cisco Americas share in Q1CY13 x86 blades was 26.9%.
x86 Blade Shares CQ1’13 - WW: HP 42.9%, Cisco 19.3%, IBM 15.8%, Dell 9.6%, Fujitsu 2.3%, NEC 2.2%, Hitachi Ltd. 1.5%, Oracle 0.9%x86 Blade Shares CQ1’13 - Americas: HP 42.4%, Cisco 26.9%, IBM 15.1%, Dell 10.8%
VT-d: Virtualization Technology for Directed I/OIO MMU: Input / output memory management unitSR-IOV: Single Root Input Output Virtualization