Cooler Master Seidon 120V Anyone have an opinion?

MikeEOD · Oct 23, 2013

I have just been looking at the Cooler Master Seidon 120V over the 212 evo which I was originally going to purchase. Its roughly the same price but looks wise it will be so much neater (Slightly OCD) but for some reason I cant find any reviews on the cooler at all, apart from a sound test on YouTube. If anyone out there that owns or has installed one in the past I would greatly appreciate any opinions you have, the good and the bad. I do plan to overclock a i5-4670K if that helps at all

Thank you, Mike.

cin19 · Oct 23, 2013

I found one, they use FX8350 to test. And I try to find the 212evo review but all of them used the intel system so I can't compare them.
But from the review it does look similar or less performance to 212evo, also I found other forum someone use FX8350+212evo for OCing to 4.4 with 1.39V at 59C. 120V Ocing to 4.4 with 1.416V at 64C/65C.
Because if you use high voltage you will get high temp too.

I am not water cooler fan, if you use water cooler, you need check the system time to time in case it will leaking. I think just make it easy to use the air cooler. If you want water cooler maybe try other one.

120V review: http://dvtests.com/?p=14425
Other forum (Fx8350+212evo): http://www.overclock.net/t/1380992/fx-8350-59-c-with-a-4-4-overclock-with-212-evo-cant-increase-voltage-for-some-reason

MikeEOD · Oct 23, 2013

cin19 :

Awesome thanks, I will just have to sacrifice looks for performance and considering I plan to overclock that seems sensible.

Thanks again, Mike.

OWEN10578 · Nov 4, 2013

MikeEOD :

No, the Seidon 120V will perform better than the 212 EVO. Just find reviews of the Seidon 120M since it's only the pump that slightly differs, I doubt the performance will be different much from the seidon 120M. Also, you'd need more cooling for ocing' a 4670K than a 212 EVO. Note: AMD's CPUs are much easier to cool than Intel's even though they have a higher TDP because of Intel's shitty TIM.

MikeEOD · Nov 6, 2013

Thank you for that advice, since this thread I Have gone with a hyper 212 evo for my FX 4170 rebuild im doing for the misses and a H60 2013 for my i7 4770k build. The H60 seems pretty solid and ive seen the results on a 4770k at 4.6ghz and its quite impressive.

OWEN10578 · Nov 7, 2013

MikeEOD :

You're welcome! Yes, the H60 is a good watercooler but based on reviews the Seidon 120M is better than the H60 and again the 120V is just a revision of the 120M so it should perform around the same or better. Plus the 120V is cheaper! So I'll get the 120V if I we're you.

chachee99-1390505 · Nov 11, 2013

I am also looking for a water cooler I was told my case is a little too small to install a 240mm cooler and I would have to use a 120mm. The two coolers I checked out were the CM 120v and the Corsair H80i. I heard great reviews of the H80i, how it costs over double the price of the CM120v. I am running an fx8350 and do not want to overclock it very much as it runs fast enough at stock. However, I am wondering if the performance difference of the H80i justifies its hefty price difference.

OWEN10578 · Nov 12, 2013

chachee99-1390505 :

The H80i is better at cooling an more expensive than the 120V because it is a thicker style radiator while the 120V is a thinner radiator. The equivalent of the H80i from cooler master is the 120M (Cheaper), the equivalent of the 120V from corsair is the H60 (More expensive). For higher overclocks you cant use the 120V or H60 but you need the 120M or H80i. In the end it's up to you really.

i-s · Nov 22, 2013

Unfortunately I have to strongly warn you away from the Seidon 120V.

I got one as a bundle deal with my CM690 III case, which meant I was paying about £20 for the cooler - seemed a good deal. At the same time as ordering parts for my new machine we upgraded my partner's machine, and he decided that he wanted the same cooler, so we ordered a second Seidon 120V for £39.

My parts arrived and I built my machine up, turned it on to be confronted with a loud grinding/growling noise from the pump. No end of shaking, changing orientations, etc could resolve it, but shaking the radiator resulted in sloshing noises - it sounds like it's about half-full of air.

My partner's seidon then arrived. No sloshing noises, and on installation and powering up it was quiet and effective. After an hour or two all of a sudden the fan on the radiator started to spin at full speed. A quick check of the system monitors showed why - the CPU temp was over 80C (no overclock).

The blue light on the Seidon block was on, but it turned out the pump had failed. The fan was going, the radiator was stone cold, the cpu and block were very hot.

When removing the seidon from his machine, it turned out not to have made spectacularly good contact with the cpu either (and no, not an installation error - I've been building/overclocking etc for over 15 years and am an electronic engineer by day. I know how to put a heatsink on, and how to follow instructions).

So, we are two out of two failures. My partner's seidon is on the way back for a refund, and an air cooler has been ordered to replace it. As for mine - the retailer doesn't carry the seidon alone, only the case bundle. Coolermaster can't be contacted as their web form doesn't work and there's no phone number, not even one the retailer can call them on.

I strongly recommend avoiding the Seidon 120V. It is not reliable and quality control is non existant. Even if coolermaster do eventually replace mine, can I ever trust it? Just buy a decent air cooler and save yourself the hassle and worry.

OWEN10578 · Nov 22, 2013

i-s :

Unfortunately I have to strongly warn you away from the Seidon 120V.

I got one as a bundle deal with my CM690 III case, which meant I was paying about £20 for the cooler - seemed a good deal. At the same time as ordering parts for my new machine we upgraded my partner's machine, and he decided that he wanted the same cooler, so we ordered a second Seidon 120V for £39.

My parts arrived and I built my machine up, turned it on to be confronted with a loud grinding/growling noise from the pump. No end of shaking, changing orientations, etc could resolve it, but shaking the radiator resulted in sloshing noises - it sounds like it's about half-full of air.

My partner's seidon then arrived. No sloshing noises, and on installation and powering up it was quiet and effective. After an hour or two all of a sudden the fan on the radiator started to spin at full speed. A quick check of the system monitors showed why - the CPU temp was over 80C (no overclock).

The blue light on the Seidon block was on, but it turned out the pump had failed. The fan was going, the radiator was stone cold, the cpu and block were very hot.

When removing the seidon from his machine, it turned out not to have made spectacularly good contact with the cpu either (and no, not an installation error - I've been building/overclocking etc for over 15 years and am an electronic engineer by day. I know how to put a heatsink on, and how to follow instructions).

So, we are two out of two failures. My partner's seidon is on the way back for a refund, and an air cooler has been ordered to replace it. As for mine - the retailer doesn't carry the seidon alone, only the case bundle. Coolermaster can't be contacted as their web form doesn't work and there's no phone number, not even one the retailer can call them on.

I strongly recommend avoiding the Seidon 120V. It is not reliable and quality control is non existant. Even if coolermaster do eventually replace mine, can I ever trust it? Just buy a decent air cooler and save yourself the hassle and worry.

Dang, I was thinking of getting a Seidon 120v myself for my next build, and since it's itx i cant put a tower cooler, maybe I'll go with the Seidon 120XL or just scrape the entire itx idea and use an matx motherboard and case.

MikeEOD · Nov 22, 2013

i-s :

Unfortunately I have to strongly warn you away from the Seidon 120V.

I got one as a bundle deal with my CM690 III case, which meant I was paying about £20 for the cooler - seemed a good deal. At the same time as ordering parts for my new machine we upgraded my partner's machine, and he decided that he wanted the same cooler, so we ordered a second Seidon 120V for £39.

My parts arrived and I built my machine up, turned it on to be confronted with a loud grinding/growling noise from the pump. No end of shaking, changing orientations, etc could resolve it, but shaking the radiator resulted in sloshing noises - it sounds like it's about half-full of air.

My partner's seidon then arrived. No sloshing noises, and on installation and powering up it was quiet and effective. After an hour or two all of a sudden the fan on the radiator started to spin at full speed. A quick check of the system monitors showed why - the CPU temp was over 80C (no overclock).

The blue light on the Seidon block was on, but it turned out the pump had failed. The fan was going, the radiator was stone cold, the cpu and block were very hot.

When removing the seidon from his machine, it turned out not to have made spectacularly good contact with the cpu either (and no, not an installation error - I've been building/overclocking etc for over 15 years and am an electronic engineer by day. I know how to put a heatsink on, and how to follow instructions).

So, we are two out of two failures. My partner's seidon is on the way back for a refund, and an air cooler has been ordered to replace it. As for mine - the retailer doesn't carry the seidon alone, only the case bundle. Coolermaster can't be contacted as their web form doesn't work and there's no phone number, not even one the retailer can call them on.

I strongly recommend avoiding the Seidon 120V. It is not reliable and quality control is non existant. Even if coolermaster do eventually replace mine, can I ever trust it? Just buy a decent air cooler and save yourself the hassle and worry.

Damn glad I went for another option, thank you for your warning you potentially saved a few nightmares.

chachee99-1390505 · Nov 23, 2013

Thanks for the warning. I am probably going to go with the Noctura NHD14. Damn that's one huge air cooler!!!!!!!

i-s · Nov 28, 2013

In fairness to Coolermaster, I've eventually managed to get through to the right people and they are replacing my faulty bundled unit and they have made a genuine goodwill gesture as well. Hopefully they will make access to the right people a bit easier, but I got decent customer service in the end.

jackm20010 · Dec 7, 2013

I have the 120V in my system running a i5-4670k OC to 4.2GHz and I must say its fine sits on idle at 40c normally and about 50c under load like BF4 highly recommend one as I have seen no problems.

i-s · Dec 8, 2013

My system is an i5-4670K also, although currently at 4.4GHz, although I've not pushed it yet - I seem to have a good example as I am at 1.125V and Idle in the low 30s dependant on room temp.

The Thermalright TS140 I bought as a stand-in for the Seidon actually achieved very similar temperatures to what the Seidon 120 is capable of - loading into the low 60s

My 3rd seidon arrived this week, and I bit the bullet and put it in. This one doesn't exhibit the extremely loud rattle that my first faulty unit did, and has not died yet. However, it does have a tendancy to make a soft rattling noise, and is generally noisier than the TS140.

I'll give it another couple of days, and if the rattle does not go then the TS140 will be going back in and the Seidon gets no more chances.

My experience is that for watercooling to provide a real performance advantage over air then you need a proper setup, even a kit like the XSPC Raystorm EX240. Otherwise it seems air cooling can provide as much performance as a 120mm AIO but with a lot less noise and greater reliability.

OWEN10578 · Jan 3, 2014

i-s :

My system is an i5-4670K also, although currently at 4.4GHz, although I've not pushed it yet - I seem to have a good example as I am at 1.125V and Idle in the low 30s dependant on room temp.

The Thermalright TS140 I bought as a stand-in for the Seidon actually achieved very similar temperatures to what the Seidon 120 is capable of - loading into the low 60s

My 3rd seidon arrived this week, and I bit the bullet and put it in. This one doesn't exhibit the extremely loud rattle that my first faulty unit did, and has not died yet. However, it does have a tendancy to make a soft rattling noise, and is generally noisier than the TS140.

I'll give it another couple of days, and if the rattle does not go then the TS140 will be going back in and the Seidon gets no more chances.

My experience is that for watercooling to provide a real performance advantage over air then you need a proper setup, even a kit like the XSPC Raystorm EX240. Otherwise it seems air cooling can provide as much performance as a 120mm AIO but with a lot less noise and greater reliability.

Great! Update us on the Seidon 120V!

i-s · Jan 3, 2014

Ok then...

Below 40% pwm the pump rattles (commutation knock), above that it is smooth but gets noisy up at higher speeds. It is cooling the cpu, but no better than the big thermalright air heatsinks which are cheaper and more reliable.

Basically I am forced into the conclusion that 120mm aios are marginal in what they offer over decent air for a greater degree of complexity. I haven't taken it out because it is working, but seriously thinking about the xspc kit...

dru · Jan 22, 2014

I have the CM seidon 120v on a fx 8320 oc'd to 4.6ghz (3.5ghz stock )and my max temp under full load again bf4 is 53.5℃ and 32℃ at idle

commycharb · Feb 18, 2014

I have this cooler and i think it is great. picked it up from canada computers 30 bones off. Considering the original price was 60 that some pretty wild savings. The nice workers also sent me 8 long black bolts so i could hook up two fans right away(push pull is necessary), thanks CM guys. The only complaint i regularly hear is that of pump rattling. The pump has to be supplied with 12 volts of continuous power to operate properly(quietly). If it's under volted then it will rattle. try hooking it up to your power fan header that should pump 12 volts constantly. Short of that you will have to set the pumps header to 100% power in the bios.

lMlElRlKl · Feb 24, 2014

I have this cooler as well and I'm having alot of difficulties with my CPU overheating. I'm around 35C at dle which I understand is normal but at ANY load even a simple game like CS:Source my temps jump up to around 70C. I can't run a stress test for even more than 3 minutes before getting up to temps as high as 100C and throttling my CPU. this is on a 4770K OCed to only 4Ghz.

MojaveJoe · Feb 28, 2014

lMlElRlKl :

I have 120M and I think it's acceptable, but nothing great. One thing that is nice, you don't have to worry about air flow as much so you can make a quiet machine which I like. However, running my 4770k at 4.3G overclock I hit 85C or so using prime95 smallftt. IntelBurntest at high setting you can watch it hit 90C and throttle down. I resat it twice thinking it would be much better than air but maybe I was wrong. On a regular heavy load, though, you won't notice. On games I never hit 60 usually around 50ish so BF4 would run around that. It's definitely not that much better air imo.

I also tried three ways with the fan but didn't see much improvement on any of them (in/out and before/after the radiator). Hope others have better experience - maybe I did something wrong.

teknobug · May 21, 2014

I just picked up one of these myself for the summer months for my i7 3770K (set it to 4.2GHz with -0.100v offset with LLC 2 for the warmer room temps) since I saw it on sale. Right now using a Hyper TX3 (92mm) which is fine in the winter (room temp is normally 18C).

Max Dochnal · Jun 26, 2015

Have an opinion? Yeah I've got an opinion. The Coolermaster Seidon 120v v2 is a piece of shit.

I had two dead Seidon 120vs in a row, both ended up as RMAs. The first one was straight up dead, the pump wouldn't turn on, just made a clicking noise and my cpu temps went through the roof.

The second one worked for about 2 hours, after which it started to make loud whirring noises. I double checked to see that it was getting proper 12v power, tried both the cpu fan header and the chassis header for the pump and checked in UEFI(BIOS) to see that the fan speed was set to full.

Luckily the store I bought the second one from sympathized with me and gave me a refund in cash straight up.

Other thoughts: The installation was ok, I wish there had been some text in the instructions and not just pictures, as I messed up the orientation of the pump at first. The backplate installation with offsets was a bit awkward for socket 1150, but not that difficult to do in the end. The installation did leave me wondering if I had sufficient pressure between the pump and cpu, as the finnicky installation system left me a bit uncertain.

Sazirgaming · Jul 7, 2015

Im not extremly happy with this cooler , go for corsair..

CheesyBirdMess · Jul 15, 2015

I have this cooler and its almost perfect. The only issue is the included fan is VERY loud. Once replaced with better quality fans in a push-pull config my i5 4690K oc'd to 4.2Ghz never goes higher than 50c so its very effective. The pump is silent and efficient, however it must be at 100% power 100% of the time regardless of CPU Temp. To ensure this is achieved I used a Molex to 3/4pin fan connector and have never had an issue. Worth a look for the price.

Cooler Master Seidon 120V Anyone have an opinion?

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