IBM's x86 server numbers also took a huge hit in the third quarter. Gartner estimated IBM's server shipments fell 30.2 percent over last year to 195,805 units.
As a result, IBM's x86 server market share in the third quarter of 2013 fell to 7.9 percent, according to Gartner. That compares to 9 percent in the second quarter of 2013, according to official Gartner numbers.
Gartner's Hewett said he suspects a big reason for the drop was related to leaks that Lenovo was in talks with IBM about purchasing its entry-level server business.
"If you do stuff like that, that will have an impact on customers," he said.
Cisco showed strong growth over last year, albeit from a much smaller installed base. Gartner said Cisco in the third quarter shipped 67,650 units, up 20.9 percent from its second-quarter shipments of 55,973 units.
That made Cisco's total market share 2.7 percent in the third quarter, down from Gartner's official Cisco second-quarter market share of 3.2 percent.
PUBLISHED NOV. 1, 2013