South Africa triumph "incredibly satisfying" for Brendon McCullum

New Zealand captain Brendon McCullum has hailed his side's series win against South Africa.

The Kiwis won their second one-day international against their hosts by 27 runs at the Diamond Oval to take an unassailable 2-0 lead in the three-match series.

"It is one of the finest one-day series wins in New Zealand's history, the ninth-ranked team against the top team," McCullum told reporters.

"It is incredibly satisfying to finish off the tour this way."

The third and final ODI between the two sides will be held at Potchefstroom on Friday.