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Dynatron R27 And R24 Versus Noctua NH-U9DX i4

Today we look at three Narrow ILM CPU coolers for Intel's LGA2011 (v3): Dynatron’s mid-sized R27, Noctua’s NH-UD9X i4 and the ASRock-supplied Dynatron R24.

Technical Specifications

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Few Narrow ILM coolers exist, and even fewer are large enough to suit the needs of a desktop Haswell-E processor. Among those few options, these three are the only models that we could find to fit the X99E-ITX/ac in a proper front-to-back orientation. Noctua also offers its single 120mm-fan NH-U12DX i4 for Narrow ILM, but that model must be turned sideways in order to fit the X99E-ITX/ac. The motherboard’s power cable header and CPU socket location make the 120mm cooler a problematic pairing for most cases, but more on that later.

Thomas Soderstrom
Thomas Soderstrom is a Senior Staff Editor at Tom's Hardware US. He tests and reviews cases, cooling, memory and motherboards.