Qualcomm Ventures, Western Digital Capital and Intel Capital all returned for the customer chipmaker's series E round, which was led by SK Hynix.

SK Hynix, the memory chip-focused subsidiary of conglomerate SK Group, led a $61m series E round for US-based custom semiconductor producer SiFive yesterday.

Mobile chipmaker Qualcomm, data storage technology manufacturer Western Digital and semiconductor and data technology provider Intel also took part, through Qualcomm Ventures, Western Digital Capital and Intel Capital respectively.

The round was filled out by including spinout-focused investment firm Osage University Partners (OUP), investment consulting firm Prosperity7 Ventures and venture capital firms Sutter Hill Ventures and Spark…