2009 Issue 1 NOTE: All material in this document is the confidential property of Infortrend Technology, Inc. Permission to use this publication is granted only to those parties who have signed a non-disclosure agreement (NDA) with Infortrend Technology, Inc. (Taiwan), or Infortrend Europe Ltd (UK). The contents of this publication may change without notice. This publication is provided "As is" without warranty of any kind, either express or implied. Issue 1, 19 Jan. 2009

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 2 Technology Transition – 2009 Host Interface Fibre: 4G FC (≈ 400 MB/Sec) ► 8G FC (≈ 800 MB/Sec) SAS: 3Gb/s ► 6Gb/s iSCSI: 1G-iSCSI ► 10G-iSCSI SCSI remains Drive Interface Fibre: 4G FC remains SAS: 3Gb/s ► 6Gb/s SATA: SATA-II remains SCSI: Ultra320 remains ASIC ASIC400 ► ASIC667 (up to 80% performance enhancement of ASIC400) SANWatch Management Suite

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 3 Host Interface Transitions – 2009 Q1Q2Q3Q4 4G FC ( ≈ 400 MB/sec) 8G FC ( ≈ 800 MB/sec) SAS 3G (4-lane ≈ 1200 MB/sec) iSCSI – 1Gb U320 - SCSI ( ≈ 320 MB/sec) iSCSI – 10 Gb SAS 6G (4-lane ≈ 2400 MB/sec)

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 4 Drive Interface Transitions – 2009 Q1Q2Q3Q4 4G FC SAS 3G SAS 6G U320 - SCSI SATA-II

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 5 RAID Hardware Transitions – 2009 Q1Q2Q3Q4 ASIC – 400 (≈ 125% Performance of ASIC-266) ASIC – 667 (≈ 180% Performance of ASIC-400) ASIC – 266 (≈ 200% Performance of ASIC-133)

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 6 Fibre Host Product Range Q1Q2Q3Q4 4G FC + SAS expansion Controller Head ASIC – 400 4G FC RAID Subsystem ASIC – 400 Fibre Head Fibre-Fibre 8G FC RAID ASIC – 667

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 7 Fibre Host Product Range (cont.) Q1Q2Q3Q4 4G FC – SATA RAID Subsystem ASIC 400 4G FC – SATA ASIC 266 Fibre-SATA 8G FC – 3G SAS RAID Subsystem ASIC 667 8G FC – 6G SAS RAID ASIC 667 4G FC – SAS RAID Subsystem ASIC 400 Fibre-SAS 4G FC – 3G SAS RAID Subsystem ASIC 667

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 8 SAS Host Product Range Q1Q2Q3Q4 3G SAS – 3G SAS RAID Subsystem ASIC 400 6G SAS – 6G SAS RAID ASIC 667 SAS-SAS 3G SAS – SATA RAID Subsystem ASIC 400 SAS-SATA

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 9 iSCSI Host Product Range Q1Q2Q3Q4 1Gb iSCSI – 3G SAS RAID Subsystem ASIC 400 iSCSI-SAS 10 Gb iSCSI – 6G SAS RAID ASIC 667 1Gb iSCSI – SATA RAID Subsystem ASIC 400 1Gb iSCSI – SATA RAID Subsystem ASIC 266 iSCSI-SATA 1 Gb iSCSI – 6G SAS RAID ASIC 667

Copyright © 2009 by Infortrend Technology, Inc. All rights reserved. 10 SCSI Host Product Range SCSI-SATA SCSI-SCSI Q1Q2Q3Q4 SCSI – SATA RAID Subsystem ASIC 400 SCSI – SATA RAID Subsystem ASIC 266 SCSI – SCSI RAID Subsystem ASIC 266 SCSI-SAS SCSI – 3G SAS RAID Subsystem ASIC 667