The US-based flash storage company, backed by Samsung and In-Q-Tel in the past, has now secured $470m in total funding and is valued at over $3bn.

US-based flash storage array producer Pure Storage has raised $225m in a series F round that valued the company at more than $3bn.

Wellington Management Company participated in the round as a new investor and was joined by existing backers T. Rowe Price Associates, Tiger Global Management, Greylock Partners, Index Ventures, Redpoint Ventures, and Sutter Hill Ventures.

Samsung invested in US-based Pure Storage’s $30m series C round in 2011, and In-Q-Tel, the venture capital unit operated by the US intelligence…