They have been using heatpipes in many products, including their video card coolers, and the massive fanless TNN series cases, which make extensive use of heatpipes.
The is their first CPU heatsink to use heatpipes. It takes the highly efficient flower design of the earlier Zalman heatsinks, adds three heatpipes, and tilts the fin configuration 90 degrees so that the fan blows across the motherboard rather than down at it.
The box is large and retail-friendly with a plastic window that lets you see the product. The box lists the specifications. The usual Zalman accessories, including Fanmate 2 to control fan speed. The design is a good one: Embedding the fan inside the heatsink allows every bit of airflow from the fan blades to dissipate heat.
Like the , the flower is incomplete; roughly a sixth of the circumference is left open to leave room for the heatpipes. The fins are bigger than the ones on the , so the total surface area of the fins? It has the biggest cooling surface area of any Zalman HS: Zalman cites 3, cm2 for the The series heatsinks come in at 3, cm2, and the is 3, cm2.
The CNPS turns the design sideways and elevates it above the motherboard where there is less chance of interfering with the other components. The weighs only grams, compared to grams for the all-copper cu or grams for the cu. In the and series, this center forms the solid, massive base. In comparison, the base on the is a small copper plate and an aluminum top plate with the heatpipes clamped between them.
Aside from the weight reduction, a second advantage of this design is that air flows through the heatsink with little impedance.
This means that all of the fin surface area can work efficiently to dissipate heat, and there is very little ineffectrive turbulence cause by sharp angle turns in airflow direction. The center is hollow, allowing air to pass.
Instead, air can escape from all sides, including the top and bottom. This means that a substantial amount of air should end up being blown down towards the VRMs Voltage Regulation Modules that usually surround the CPU socket, cooling them in the process. This is important, as ATX motherboards are designed with this kind of cooling in mind; many tower-style heatsinks risk shortening the life of the motherboard because they tend to block the airflow from reaching these components.
The fins are anchored to three heatpipes that rise gracefully up from the base in a figure 8. The fins are attached to the middle of the heatpipes, while both ends are attached to the base. The flow of heat inside the heatpipes is from the ends to the middle. Both ends of each heatpipe are attached to the base and rise up in a figure eight.
Zalman has made excellent use of the heatpipes. The fan, looking up from the bottom of the heatsink. The LED fan is mounted on a steel bracket that positions it just above the top of the fins. On our sample, the fan was slightly off-center. The fan blows through the heatsink, so care should be taken to install the heatsink in the right orientation.
Ideally, the empty side of the heatsink should face the rear case fan, so that the hot air coming off the heatsink is immediately exhausted.
Zalman rates the fan at 0. In comparison, the 92mm fan in the series is rated for 0. It is also a dual ball-bearing fan, which is usually not the best choice for noise, although a quieter sleeve-bearing fan would not be as reliable for use in a high-heat application like a heatsink.
Installation hardware is included for sockets , and K8. A backplate is included for use with motherboards that do not already have one. A heatsink retention module is also included for use with Socket systems. As usual, Zalman has a nicely illustrated instruction sheet, as well as a good animated flash version of the installation on the product web page.
Socket systems can take advantage of the stock heatsink retention module, thanks to two aluminum yoke-shaped anchors that lock into place. They are similar but not identical to those used with the Zalman and series of heatsinks, and work in a similar way.
The difference? The anchors are lower profile and use a finer thread for the screw hole. In front, the clips for the CNPS Behind, the clips for the CNPS Both the height and the screw thread are different.
Once the proper hardware has been attached to the motherboard, installation is pretty much the same for all platforms. The screws for each platform are different, so pay attention to the instruction manual. They also have a hexagonal head, so the included Allen key must be used to tighten them. Because the fins overhang the screws, it is easiest to use the ball-shaped end of the Allen key which lets the shaft of the key be at a slight angle to the head of the screw.
The mounting bracket fits over the hub in the center of the base. The orientation of the CNPS can be changed depending on whether the clip is installed through the heatpipes or between them. Your invoice reference number will be required for free assistance. Ask your Support Technician about additional options available through our exclusive Priority Care Program. Usually ships in business days.
We are using cookies to give you the best experience on our website. You can view our Privacy Policy and information reqarding our use of cookies here for more information about cookies. Skip to Main Content Area. Get it now. Please Select Your Store. Optimized heatsink layout composed of pure copper for maximum heatsink efficiency.
Innovative, patented, and curved heatpipe design for a heat transfer capacity of up to six heatpipes with just three. Operates in silence by preventing extreme RPM during initial booting.
I researched online, and several others have also received the new CNPS with a concave base. Even the review at Frostytech noticed the same problem. Hopefully the new one will be flat. Pros: This thing in the right case will keep your CPU as cool as competing water coolers can. In the wrong case with stangant air flow - itll keep it from dying. I first bought this for phenom builds, then I kept it with me through the FX series, to the series, and then up to an before making the jump to AM4 Ryzen 5 Ive swapped it out for corsair liquid coolers, cooler master tower coolers and I always keep grabbing it off my shelf and putting it back into my case.
Its still cooling as efficiently as the day I bought it, It truly is a timeless design. Cons: The only issue I can see is that when you go to remove it you may get your knuckles nicked by the bare fins, but if you remove your video card and take your time you will be just fine.
Overall Review: Ive seen other people say its terrible for AM4, Ive read that they said its loose - I just want to set the record straight - It fits perfectly. Pros: This all-copper unit looks fantastic. Overall Review: I read a lot of complaints about how an item is bad because it "doesn't fit".
That is not the fault of the manufacturer, but the builder; check the specs on a product before purchasing to ensure it fits. The builder is responsible for measuring things like case dimensions, video card dimensions, number and types of connectors, and CPU cooler dimensions.
I guess I'm the Newegg oddball because I always check the manufacturers webpages for specifications and compatibility of various parts when doing a build. As a result I have not had a single item not fit or work properly. Add to cart. Price Alert. Add To Wish List Found on 7 wish lists. Best Sellers. Corn Electronics. Are you an E-Blast Insider? Get Educated.
More Resources. See more " lga cooler ". This hi-tech cooling device gives your PC mesmerizing appeal with its gleaming copper finish and an eye-catching indigo blue LED light. For ultra-cool protection and aggressive styling, this device is the way to go.
Unique Heatpipe Design Three innovative and curved heatpipes provide a heat transfer capacity matching that of six heatpipe designs for maximum performance.
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