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ZALMAN LQ-315 Water/Liquid CPU Cooler 120MM

  • 90 - 2000 RPM +/-10%
  • Fan Dim. 120 x 120 x 25mm
  • Liquid Cooling System
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Blue LED comes to the ZALMAN LQ-315 water cooler to provide modding effect and pump status. The ZALMAN LQ-315 features excellent liquid cooling technology, easy installation and effortless maintenance. Pure copper base with inner Micro Fins, aluminum radiator and an ultra quiet 120mm PWM fan merge to deliver superior cooling performance. Broad socket compatibility makes it suitable for almost all the mainstream motherboard platforms.

  • newegg Easy Installation & Maintenance Liquid sealed water cooler provides convenient installation and easy maintenance.
  • newegg Built-in Pump within Water Block Built-in ultra quiet/high efficient pump within water block and minimized tube connection allow rapid and stable rotation of the coolant. The Blue LED in the water block shows pump status at a glance.
  • newegg Micro Fins Micro Fins made of pure copper within the water block provide excellent heat transfer.
  • newegg Versatile Compatibility LQ-315 is compatible with a broad range of processors including Intel socket LGA 2011, 1366, 1156, 1155 CPUs and AMD FM2, FM1, AM3+, AM3, AM2+, AM2 CPUs & APUs. The water block’s height is 32mm and can be installed in ATX cases as well as slim or LP (low profile) cases. (However, this LCS only applies to cases which support 120mm rear fan.)
  • newegg Quiet cooling solution One ultra quiet 120mm fan and the aluminum radiator minimize noise level and maximize the cooling performance. For better cooling performance, an extra fan can be installed.
  • newegg Durable and Long-Lasting Tubes Durable and long-lasting tubes prevent leakage and guarantee safety. Moreover, the Eco friendly glycol based coolant has corrosion inhibitor in it to prevent metal corrosion.

Learn more about the Zalman Tech Co., Ltd LQ-315

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Zalman Tech Co., Ltd LQ-315

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  • Joseph D.
  • 8/3/2015 9:28:50 AM
  • Tech Level: High
  • Ownership: less than 1 day

4 out of 5 eggsJust Installed Zalman LQ315 Cooler

Pros: Seems to cool better than the CoolerMaster I just replaced. The temps on my AMD six core processor are at 34 or below. If you just look at the pics of the instructions and then throw them out it will go alot quicker :) Compared to Cooler Master, The hoses are made of very flexible rubber where the CM was a hard plastic hose - the cheap stuff.

Cons: The installation instructions should be just thrown out. If Zalman wants to save on production costs they could skip there useless instructions.

Other Thoughts: As I mentioned, This replaces a CoolerMaster very similar to this model that could not cut it. The pump in the CM died about 6 months after purchase.

Did you find this review helpful? Yes No

  • Alexander B.
  • 6/1/2015 10:40:39 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsLQ-315

Pros: The product is excellent, it's quiet, keeps the 3.7GHz 12 core- 4+8 - AMD CPU overclocked to 4.2 GHz with temperatures in the upper 30s.

Cons: The instruction manual is horrendous! It's 'creator' should serve serious time in a maximum security penitentiary. Following the manual is impossible to install, one has to invent the way!

Other Thoughts: The manual is so outrageous that I took away 4 eggs. It nearly prevented me to install!

Manufacturer Response:

Dear valued customer,

We sincerely apologize for the issue. Please contact our customer service e-mail or via toll free number 1-888-925-6266 for further assistance.

Thank you.

Best regards,

Zalman USA Customer Service

0 out of 2 people found this review helpful. Did you? Yes No

  • Steven R.
  • 5/12/2015 9:35:13 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome closed-loop water cooler

Pros: Intel 4770K idles around 28 degrees, never goes above 50 even under very heavy load (will be OCing soon)
Snug pump fit on the CPU faceplate with a simple bracket system

Cons: The 4pin CPU fan connector could have been a bit longer, I had to change where I wanted the (relatively large) radiator and fan to sit. Once that was settled though, it was smooth sailing.
I am also getting an error on startup that the CPU fan is not detected, though the pump and fan are both running fine.

Other Thoughts: Exactly what I wanted - time will tell if this was a great buy or not though.

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  • Luis I.
  • 3/25/2015 9:38:19 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsCool and Quiet

Pros: Works on my 8350 cpu
temperatures are way better than the old fan
LED light is cool
Quieter than stock fan

Cons: Installing was a pain, the instructions were not very clear, but i figured out.

Other Thoughts: first time having liquid cooler and while the installation was a pain, i am happy with the performance of the cooler. I would buy again in the future.

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  • Chance B.
  • 11/6/2014 10:35:18 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsWorked well for a while

Pros: While it worked it was silent and kept my cpu below the levels of the stock cooler.

Cons: The pump seized after a couple months of use, blue screened my pc and leaked onto nearly every part of my pc.

Other Thoughts: After drying out my mobo and video cards cleaning everything over a period of 48 hours reattaching the stock cooler and trying to boot everything is shot. I don't reccomend purchasing it if you like your pc.

Manufacturer Response:

Dear valued customer,

We sincerely apologize for the issue. Please contact our customer service e-mail or via toll free number 1-888-925-6266 for further assistance.

Thank you.

Best regards,

Zalman USA Customer Service

3 out of 3 people found this review helpful. Did you? Yes No

  • Nathaniel L.
  • 9/30/2014 10:14:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

4 out of 5 eggsGreat performance, terrible install

Pros: *Keeps my 8250 cool
*Optional second fan
*Not too bulky

Cons: *terrible install
*pump makes a little noise

Other Thoughts: So installing using the instructions I could not possibly install the waterblock, I had to actually take off the clips holding the screws into place, and use the backplate that came with my stock amd cooler, it was almost a insult to me, first not having the screws not be nearly long enough to reach the backplate with the clips on but secondly, the backplate was too thin to hold the cooler. I hope this helps anyone who buys this

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  • Kyle C.
  • 8/12/2014 8:01:22 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsVery nice

Pros: -Quiet
-Cool blue LED in water block
-Fairly simple installation* (see other thoughts)
-Solid build quality
-Handles overclocks nicely

Cons: -Can hear the pump during startup* (see other thoughts)
-Instructions were horrid
-Didnt fit in my case right (I knew it wouldnt, so cant knock off an egg for that)

Other Thoughts: Overall this thing kicks a**. I had second thoughts on going with liquid cooling, but im glad I did. At system idle, my cpu is at around 30c, under load itll get up to about 48c (ambient room temp is usually around 24c).
Installing this cooler wasnt that bad, taking in part that I litterally stared at them for like an hour scraching my head. I eventually just looked up how to install it on youtube and found a few videos that helped me install the cpu block in a matter of minutes.
As for the radiator, it didnt fit anywhere but one spot in my case (Thermaltake V3 Black AMD Edition). Its a mid tower so I knew I would have trouble with a radiator in it. Ill be upgrading that soon though.
Overall, a very nice product that I would recommend looking to go to liquid cooling. I will getting another one of these and a NZXT G10 for my grahics card :D

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  • Thanh T.
  • 2/26/2014 10:18:09 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsQuite good

Pros: This thing keeps my OC 4.5 ghz cpu at under 40 celcius under medium to high loads. Quite impress with it. Overall runs pretty quiet.

Cons: Water pump does make a little wine when pumping like what most other buyers have stated, but it has mostly gone away now. Was quite noticeable at first 24 hours but now it is or is nearly gone.

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  • Mark D.
  • 1/27/2014 7:42:42 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsInitial thoughts

Pros: I've had this thing running for a day so far. CPU temps hover around 95-100f with the case side open as I work on it, but I'm not pushing it or doing much on it yet, just installed Windows 8.1 and installing updates and assorted software such as Office 2013, Visual Studio 2013, etc.

Cons: The pump on the CPU is a little noisy, I can definitely hear it turning. Hard to describe the sound though. I've seen some mention it's silent, wish mine was, but I guess at least I know it's turning. My CPU is an LGA 2011, and mounting the cooler to the CPU was very easy, simply tighten down 4 thumb screws from the top, nothing to do on the back of the mobo. Mounting the radiator to the case was a small challenge, but that was a case issue.

Other Thoughts: Mobo: ASUS X79-Deluxe
CPU: i7-3930k.
RAM: 32 GB G.SKILL Trident X (had to remove the fins on the top to fit under the radiator, which was easy, 2 phillips screws on either end)

So far I give this 4 stars, would have been 5 if it weren't for the noise coming from the pump, which isn't loud, but it's definitely noticeable. Maybe once I close up the case and put it down next to my desk I won't notice it so much.

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  • Chebar C.
  • 12/18/2013 12:19:12 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsQuiet, easy, effective

Pros: Very quiet and effective. With i7-4770S (a relatively low TDP processor) temps stay below 50 deg C with all four cores fully loaded. The best part: It was actually easier to install than most heatsink-fan combos. Good design and instructions, quality parts.

Cons: One day it will stop working. Instead of just blowing out the dust and giving it a new fan like with a traditional cooler, the whole system will probably need to be replaced. I hope it lasts a long time!

Other Thoughts: Used with a Cooler Master Elite 130 case which is a small case designed for radiator installation. Hoses were good length, more than needed for this case but it is pretty small.

Did you find this review helpful? Yes No

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