Notes:
^a – Dell Inc represents the combined revenues for Dell and EMC.
^b – Due to the existing joint venture between HPE and the New H3C Group, IDC will be reporting market share on a global level for HPE as "HPE/New H3C Group" starting from 2Q 2016 and going forward.
^c – HPE/New H3C Group includes the acquisition of Nimble, completed in April 2017.
* – IDC declares a statistical tie in the worldwide enterprise storage systems market when there is one percent difference or less in the revenue share of two or more vendors.

1Q18 External Enterprise Storage Systems Results, by Company
Dell Inc was the largest external enterprise storage systems supplier during the quarter, accounting for 32.9% of worldwide revenues. NetApp finished in the number 2 position with 14.2% share of revenue during the quarter. HPE/New H3C Group was the third largest with 10.4% share of revenue. Hitachi and IBM rounded out the top 5 with 7.3% and 5.8% market share, respectively.

Top 5 Vendor Groups, Worldwide External Enterprise Storage Systems Market, First Quarter of 2018 (Revenues are in Millions)
Company			1Q18 Revenue			1Q18 Market Share				1Q17 Revenue			1Q17 Market Share				1Q18/1Q17 Growth
1. Dell Inc a			$2,060.1			32.9	%			$1,424.3			27.2	%			44.6	%
2. NetApp			$890.1			14.2	%			$731.6			14.0	%			21.7	%
3. HPE/New H3C Group b c			$652.2			10.4	%			$596.1			11.4	%			9.4	%
4. Hitachi			$457.9			7.3	%			$449.1			8.6	%			2.0	%
5. IBM			$364.2			5.8	%			$440.6			8.4	%			-17.3	%
Others			$1,830.7			29.3	%			$1,599.9			30.5	%			14.4	%
All Vendors			$6,255.0			100.0	%			$5,241.6			100.0	%			19.3	%
Source: IDC Worldwide Quarterly Enterprise Storage Systems Tracker, June 5, 2018

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