There have been many recent recommendations to extend out along the yield curve given the municipal yield curve is approaching historic highs (401 bps 1-30yrs ).

FORBES: Earnings Miss Hits Goldman Sachs Bonds, Too

Some intermediate funds extend maturities well past the intermediate part of the yield curve to time the market or boost returns, adding market risk.

FORBES: Put Intermediate Muni Funds In Your Portfolio's Rotation

With industry-wide challenges in scaling current areal density technologies, this new platform allows HGST to design seven-platter drives in a standard 3.5-inch form factor that will cost-effectively extend the capacity and cost-per-gigabyte curve for many product generations to come.

ENGADGET: HGST develops helium-filled, high-capacity hard drives: no, they won't float away