Hardware, Reviews

Noctua NH-U9S And NH-D9L Review: The Best CPU Coolers For Small Enclosures

NH-U9S overview

Socket compatibility Intel LGA2011-0 & LGA2011-3(Square ILM), LGA1156, LGA1155, LGA1150 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required)
Height (without fan) 125 mm
Width (without fan) 95 mm
Depth (without fan) 68 mm
Height (with fan) 125 mm
Width (with fan) 95 mm
Depth (with fan) 95 mm
Weight (without fan) 524 g
Weight (with fan) 618 g
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Max. TDP see TDP guide
Fan compatibility 92x92x25
Scope of Delivery ·         Low-Noise Adaptor (L.N.A.)·         NT-H1 high-grade thermal compound·         SecuFirm2™ Mounting Kit·         Fan-clips for second NF-A9·         Noctua Metal Case-Badge
Warranty 6 Years

NH-U9S is similar in design to the larger NH-U12S and the NH-U14S, and is the successor to the NH-U9B, SE2 which was introduced in 2008. There are a few changes in the new 92mm cooler, including the increase in the number of heatpipes to five (from four) and a redesigned fin stack arrangement to make it easier to fit into smaller enclosures. The heatpipes boast an asymmetrical design, with three out of the five arranged in the middle, with the other two edging outward. There are 43 aluminium fins in the stack.

Another change is that there is a single fan included with the NH-U9S in a push configuration. There is a provision to install another fan, but Noctua mentions that doing so has performance trade-offs. The design of the cooler means that you can only install an additional fan at the back. With a clearance of 125mm, the NH-U9S is slightly taller than the NH-D9L, but does manage to fit into most mini-ITX enclosures.