Channel Insider content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More.

1Dot Hill buys Cloverleaf

Date: JanuaryPrice Tag: $11.5 millionSpecialty Gained: Storage virtualization

2Dell buys Exanet assets

Date: FebruaryPrice Tag: $12 millionSpecialty Gained: Clustered NAS

3EMC buys Greenplum

Date: JunePrice Tag: UndisclosedSpecialty Gained: Data warehousing

4Dell buys Ocarina

Date: JulyPrice Tag: Undisclosed Specialty Gained: Deduplication hardware and software

5IBM buys Netezza

Date: SeptemberPrice Tag: $1.78 billionSpecialty Gained: Data warehouse appliances

6HP buys 3Par

Date: SeptemberPrice Tag: $2.35 billionSpecialty Gained: Enterprise storage arrays

7EMC buys Isilon

Date: NovemberPrice Tag: $2.25 billionSpecialty Gained: Clustered NAS

8EMC buys Bustech

Date: NovemberPrice Tag: UndisclosedSpecialty Gained: Virtual Tape Library

9Quest Software buys BakBone Software

Date: NovemberPrice Tag: $55 millionSpecialty Gained: Backup and recovery, plus continuous data protection

10Dell buys Compellent

Date: DecemberPrice Tag: $960 millionSpecialty Gained: SMB storage and recovery