Noctua is famous for its tandem twin-tower heatsinks, starting with the NH-D14 and proceeding to the wider NH-D15. But now Noctua has brought a single-tower heatsink, the NH-U14S, to the 140 mm market. It keeps the fans clear of installed random access memory. Can a single-tower heatsink compare with the big dual-tower offerings? Let’s put the NH-U14S to the test and see how it measures up. Read on.