| Brand | Zalman |
|---|---|
| Product Dimensions | 13.2 x 8.5 x 15.2 cm; 300 Grams |
| Item model number | CNPS10X OPTIMA |
| Manufacturer | Zalman |
| Color | Aluminium, Copper, Grey |
| Wireless Type | 802.11a |
| Are Batteries Included | No |
| Item Weight | 300 g |
Zalman CNPS10X Optima Heatsink and Fan
We don't know when or if this item will be back in stock.
| Item dimensions L x W x H | 13.2 x 8.5 x 15.2 centimetres |
| Brand | Zalman |
| Noise level | 28 dB |
| Material | Aluminium |
About this item
- Make sure this fits by entering your model number.
- Powerful Cooling Performance
- Sharks Fin Blade/Dual Fan Support
- Differentiated Design
- Compatible with Mid Tower Case(180mm Width)
- Versatile Compatibility
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| Customer Rating | 4.1 out of 5 stars (89) | 4.5 out of 5 stars (30) | 4.7 out of 5 stars (5808) | 4.7 out of 5 stars (336) |
| Price | Unavailable | £39.99 | £29.99 | £24.99 |
| Sold By | — | Extreme Hardware | Amazon.co.uk | DEEPCOOL |
| Item Dimensions | 13.2 x 8.5 x 15.2 cm | 8.1 x 11 x 14.85 cm | 12 x 8 x 15.9 cm | 12.9 x 7.7 x 15.75 cm |
Product information
Technical Details
Additional Information
| ASIN | B0073QBIO6 |
|---|---|
| Customer Reviews |
4.1 out of 5 stars |
| Date First Available | 6 Sept. 2012 |
Warranty & Support
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Product description
Product Description
Zalman’s CNPS10X OPTIMA gives you the flexibility to install another 120mm fan for added cooling potential. Also incorporated in the OPTIMA are 4 Direct Touch heatpipes, optimized fin profile and a 120mm Shark’s Fin Blade PWM fan for efficient cooling. The CNPS10X OPTIMA comes with high performance thermal grease ZM-STG2M and features versatile Intel and AMD socket compatibility
Optimally designed aluminium fins disperse heat away from the CPU via 4 heatpipes, while switching noise free, high capacity 120mm fan quickly cools the heatsink for stable operation of high performance CPUs.
Optimized for maximum airflow, Shark’s Fin Blade Fan greatly reduces the turbulence caused by fan rotation, thus decreasing the noise and vibration while increasing the airflow. The heatsink is designed to mount one or two fans according to the users’ preferences.
Direct Touch Heatpipe (DTH) Base Direct Touch Heatpipe (DTH) Base technology transfers the CPU’s heat directly to heatpipes, thereby minimizing heat resistance and maximizing cooling performance.
Box Contains
CNPS10X Optima
Sharks Fin Blade Fan
Backplate
Side Caps
Bolts
Nuts
Fan Fixing Clips
Loading Block
Thermal Grease (ZM-STG2M)
Double-Sided Tape
Manual
Customer reviews
Top reviews from United Kingdom
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The cooler is easy to fit, I say this because if it were horrible I'd remember more about it. I did find a YouTube video so I knew what to expect. That video coupled with the instructions made it easy. This was my first not-stock cooler.
WARNING: I got "low profile" RAM and it just clears this (6mm clearance left, more than it sounds but if you have the not-low-profile Corsair Venegrance (not sure on spelling but you know what I mean) you probably will have problems (AMD board here)), the fan slides up and down a little (2cm of give at most) and it just clears this low-profile ram. You cannot just put the fan on the other side because the fan only has holes on the one side. To reverse it would mean blowing air towards the 5 inch bays, which is bad.
This is why I gave it 4 not 5. I will check on this later because if the fans are standard 120mm I can completely see why they did this and don't expect them to construct a TARDIS to get that 5th star. I will also check if it has a second pair of clips so you can attach a second fan.
How good is it?
I did a test, under load I could get the stock cooler to 81 (Deg, Celsius) with a room temperature of 16 (consistently around the room, I like it cold)
Under the same test I could not get it consistently above 35, I saw 37 but no higher. So we'll take the observed averages of 81 and 35
Now the air-flow inside the case is hugely important here, going from other reviews I think that my flow was not something that was favourable for the stock cooler, but was for this but anyway.
The thermal power evolved by the CPU will be the same in either case - call this p.
The classic and simple model of cooling is "the hotter it is compared to ambient temperature, the faster it cools" this is why a cup of tea will go from 70 to 60 deg faster than 40 to 30. dT/dt = kT where k is some constant to be determined and T is temperature relative to ambient, this is A-level mathematics so I wont go further (I'm sure that degree will become useful someday!)
Anyway using this model as the base:
(81-16)s = p
Here the units of s are "watts per degree" how many watts (Joules per second - energy per second) can this cooler remove per degree this is not a linear relationship, but it gives us a way to compare the coolers at their average temperature. This comes right from the differential equation above.
We also know (35-16)z=p where z is "watts per degree" for this cooler.
p is the same because the CPU ought to be drawing the same amount of power for the test. This is reasonable (the CPU may slow down if it gets too hot though, in this case we will over-estimate the performance of the stock cooler)
Anyway (35-16)z=p=(81-16)s so z=s(81-16)/(31-16) = 65s/19 ~ 3.42s
That is the Zalman cooler is removing 3.42 times more heat energy per second than the stock cooler, it is 342% of what the stock cooler does.
Great stuff!
It's worth noting that my test was a CPU torture one, not a game. So the GPU stayed cool and nothing other than the CPU was really under load so I like to think mine is the best test here.
Also the air above my ram (intake) was 18 deg, consistently. Either way the result is a huge improvement, but this is a simple model.
Another review has a max of 62 with stock, 46 with this is a 76% improvement (I got a 242% improvement) so airflow seems to be important here. BUT it was a game test, mine was 8 cores maxed out with a program that'd use the logic/integer parts as well as the FPU of the chip, so I got a stable reading. I also have a case where this cooler basically fits right into the air-flow.
Last thought: If the ambient temperature around the other reviewer's cooler was 39.4 deg (which is reasonable given he was playing a game, there'd be a hot GPU near by and probably hot ram too...) then this cooler has the 242% improvement I saw with mine.
Alec
I did ponder water cooling and while I have no test data, I just felt pumping coolant round a circuit to then run a fan to cool a radiator would be less energy efficient than this heat sink. Granted in the case of this heat sink you then need to run a fan to extract the warm air from the case but that fan will be running anyway. Water cooling is also 3 times the price.
So for this heat sink, fitting it was a bit fiddly but okay. You mount a back plate on the back of the motherboard and then mount this cooler onto it ensuring the heat sink sits centrally on the processor. I didn't bother with the double sided foam which is provided for you to stick the heat sink mount behind the processor thinking metal on metal can only help keep things cool.
In operation, the copper pipes efficiently disperse the heat into the large cooling fins and the fan runs pretty slowly. It doesn't seem to matter what processing I throw at this system, it seldom runs above 30 deg C.
I've no hesitation in recommending this heat sink. I'll give it a quick clean with the vacuum cleaner each year and I'm hoping for at least the same 8 years service I got from my last Zalman.
Do check the heat sink will it will fit in your case.
Installation is not difficult but it is necessary to get access to the rear of the motherboard, which will mean removing it from the case if you are, like me, replacing parts in an existing installation. The mounting bracket is the same as the one from my older Zalman cooler, but the nuts into which the hold-down bolts screw are a different length so I couldn't do the job without removing the motherboard.
My computer has Corsair Vengeance RAM modules with fairly tall heatsink fins. The fan clears these, but barely - the gap is a couple of millimetres only, see the photograph. Before powering up, I turned the fan by hand to make sure it was clear, and it was. This is something to bear in mind when considering this cooler.
As far as performance goes, it keeps the cores below 80 Celsius even when stressed hard by running prime number calculation "torture" tests, so it does the job it is designed to do.
Recommended - but do verify you'll have clearance for your RAM modules.
By Euan Campbell Gray on 25 November 2016
Installation is not difficult but it is necessary to get access to the rear of the motherboard, which will mean removing it from the case if you are, like me, replacing parts in an existing installation. The mounting bracket is the same as the one from my older Zalman cooler, but the nuts into which the hold-down bolts screw are a different length so I couldn't do the job without removing the motherboard.
My computer has Corsair Vengeance RAM modules with fairly tall heatsink fins. The fan clears these, but barely - the gap is a couple of millimetres only, see the photograph. Before powering up, I turned the fan by hand to make sure it was clear, and it was. This is something to bear in mind when considering this cooler.
As far as performance goes, it keeps the cores below 80 Celsius even when stressed hard by running prime number calculation "torture" tests, so it does the job it is designed to do.
Recommended - but do verify you'll have clearance for your RAM modules.
Attaching the fan to the heatsink is fairly tricky to begin with, but after you've done it once, you can do it a hundred times. The package itself is giant, meaning you may also have to measure your case size before inserting it. I can't imagine it fits well in smaller media centers.
Along with the 'Octigen GK-991 Midi Tower Case' this kept my PC running at a great 37-40 degrees. With the right motherboard I managed to adjust the fan to be dead silent at about 45-55 when running video, or full speed at 40-49.
A good value fan, just as always, make sure you apply the thermal paste correctly, and apply a correct (low to high, front to back) airflow to your computer case.









