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Noctua's NH-C14S and NH-D15S Are Single-Fan Versions Of Predecessors

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Noctua has shaved a little bit off of two of its coolers and is shipping them with just a single fan. This makes them a little quieter and cheaper.

From most manufacturers, when a new product comes out we can expect to see a notable change to the predecessors. For one particular vendor, though, that's not always the case. We're talking about Noctua, of course. Today, the Austria-based cooling company announced two new coolers, the NH-C14S and the NH-D15S. Both of these are single-fan successors to their older counterparts.

The NH-C14S is a C-type cooler that succeeds the NH-C14, and in order to make up for having just a single fan, it has a deeper fin stack. According to Noctua, it therefore cools similarly to the NH-C14, while increasing flexibility. You'll be able to mount the fan at the top of the cooler, giving you increased RAM clearance, or underneath the fin stack for a lower total height, increasing compatibility with narrower enclosures.

The cooler ships with the NF-A14 PWM fan, which can spin at speeds up to 1500 RPM and has an acoustic footprint of 24.6 dBA. A low-noise adapter brings those numbers down to 1200 RPM and 19.2 dBA. Thanks to its PWM support, you can bring its speed down as low as 300 RPM, where it will be pretty much inaudible yet still offer enough cooling performance for an idling CPU.

The NH-D15S stems from the NH-D15, but again, it comes with just a single NF-A15 PWM fan. The dual-tower fin stack design is shaped so that it clears the top PCI-Express port and leaves 65 mm clearance for RAM modules.

The NF-A15 PWM fan included is a little different from the retail version. This one spins at up to 1500 RPM instead of just 1200 RPM. Therefore, it has the same performance characteristics as the NF-A14 PWM fan, because the only difference between the A15 fan and the A14 fan is the frame -- the impeller and motor are the same. Optionally, you'll be able to add a 120 mm fan, or a 140 mm fan housed in a round frame with 120 mm mounting points.

Both of the coolers come with Noctua's excellent SecuFirm2 mounting system. They are also compatible with all mainstream CPU sockets from both Intel and AMD.

The NH-C14S will be available any moment now for $74.90, while the NH-D15S will take a couple weeks longer, landing in June for $79.90.

Follow Niels Broekhuijsen @NBroekhuijsen. Follow us @tomshardware, on Facebook and on Google+.

4 Comments Comment from the forums
  • JackNaylorPE 18 May 2015 21:34
    Wait ..... I can pay $99.90 MSRP for the thing with two fans or $20 less with one fan .... but if I wanna add that fan later, i costs me $28 - $32 ?

    Given the economics, I'd just buy a cheaper cooler.
    Reply
  • PaulBags 18 May 2015 23:38
    The C14's twin fans are rpm too, so a deeper fin stack & pwm make the C14S more attractive, especially if it's a bit cheaper. Damn, I have C14 in a cupboard, bought on special & haven't used it yet.
    Reply
  • firefoxx04 19 May 2015 01:22
    A single fan D15 probably performs just was well as the dual fan during most work loads. I run my D15's fans at about 500rpm and just forget about them. Rarely see temps above 55*C on a heavily overclocked 4790k (gaming workloads). Rendering is a different animal, 800rpm for premiere pro when exporting a project.
    Reply
  • synphul 19 May 2015 03:26
    The d15s plans to try and match performance of two fans with a single fan at a higher rpm than previously used. How does one fan spinning faster manage to be 'quieter' than 2 at lower rpm's? Sounds counter productive to me. Especially since it's planning to retail at $80 when an nh-d15 can be had for $91 free shipping from amazon right now.
    Reply