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Thread: Scythe Orochi CPU Cooler Review

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    Xtreme Guru trans am's Avatar
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    Scythe Orochi CPU Cooler Review

    Scythe has been developing large fanless heatsinks that employ heatpipes for quite some time. Their original NCU-1000 found favor with many silent PC enthusiasts. The follow-up, the NCU-2000, was an improved version of the same heatsink.

    Their latest product is a massive tall heatpipe device with a loosely spaced fins structure. the Orochi can be used with all modern desktop CPU platforms. It is more extreme than anything Scythe has put out before. This innovation is definitely worthy to be classified as XTREME!!

    Scythe heatsink designs have always been unique. The Orochi is by far the largest cpu air cooler on the market today.

    BASICS

    Thanks to Scythe for shipping the test sample fast.


    Total 10 heatpipes and large surface for ultimate super silent cooling! Scythe original designed 140mm fan / 25mm thickness round-shaped fan!

    Manufacturers Specifications:
    Model Name: OROCHI CPU Cooler
    Model Number: SCORC-1000
    Manufacturer: Scythe Co., Ltd. Japan

    Overall
    Dimensions: 120 x 194 x 155 mm
    4.7 x 7.6 x 6.1 inch
    Weight: 1,285 g
    2.84 lb

    Fan
    Dimensions: 140 x 140 x 25 mm
    5.5 x 5.5 x 1.0 inch
    Weight: 130 g
    0.29 lb
    Speed: 500 rpm (±10&#37
    Air Flow: 29.39 CFM
    Noise Level: 10.8 dBA


    Important Notice:
    *Due to the large dimension of this CPU Cooler, this product may not fit into all PC cases. Please check the dimension of your PC case and surrounding components to make sure this CPU cooler can fit into your system.

    Compatibility

    Intel® LGA775 (SocketT) Proessor
    Intel® Quad-Core Intel® Xeon® Processor 3200 Series
    Intel® Dual-Core Intel® Xeon® Processor 3000 Sequence

    Intel® Core™2 Extreme processor
    Intel® Core™2 Quad processor
    Intel® Core™2 Duo processor
    Intel® Core™ Duo Processor

    Intel® Pentium® Processor Extreme Edition
    Intel® Pentium® D Processor
    Intel® Pentium® 4 Processor Extreme Edition supporting Hyper-Threading Technology
    Intel® Pentium® 4 Processor supporting Hyper-threading Technology

    Intel® Celeron® Dual-Core Processor
    Intel® Celeron® D Processor

    Intel® Socket478 Proessor
    Intel® Pentium® 4 Processor Extreme Edition supporting Hyper-Threading Technology
    Intel® Pentium® 4 Processor supporting Hyper-threading Technology
    Intel® Pentium® 4 Processor

    Intel® Celeron® D Processor
    Intel® Celeron® Processor

    AMD Socket AM2+ Processor
    AMD Phenom™ Processor
    AMD Socket AM2 Processor
    AMD Athlon™ 64 Processor
    AMD Athlon™ 64 FX Processor
    AMD Athlon™ 64 X2 Dual-Core Processor
    AMD Sempron™ Processor
    AMD Socket940 Processor
    Dual-Core AMD Opteron™ Processor
    AMD Opteron™ Processor
    AMD Athlon™ 64 FX Processor
    AMD Socket939 Processor
    Dual-Core AMD Opteron™ Processor
    AMD Opteron™ Processor
    AMD Athlon™ 64 Processor
    AMD Athlon™ 64 FX Processor
    AMD Athlon™ 64 X2 Dual-Core
    AMD Socket754 Processor
    AMD Athlon™ 64 Proessor
    AMD Sempron™ Processor

    The Packaging





    What's inside the box?




    You get 1 multi language manual, 2 cpu brackets, mobo backplate, 2 fan clips, thermal paste, and mounting hardware.



    First glance


    this is huge!!!!
    It's bigger than my beer!





    Look at that thing! I've seen single stage phase compressors smaller than this thing!!!

    I put the fan on for a second


    A WHOPPING 10 HEATPIPES!


    This also uses a second heatsink that connects to the base.


    more shots



    The Base of the Orochi needs no lapping due to its beautiful mirror-finish! Look at the beer in the reflection!
    Holy Crap! Totally Awesome!



    Installation:


    Turn the heatsink over and pick your cpu bracket. I'm using 775....duh.




    get it on and screw in 4 little screws. easy enough.





    next get a motherboard and get the plastic bag off. I'm gonna be using an Asus P5K3 Deluxe WIFI.




    This cpu socket area is tricky.. Will it fit?


    YES!


    I thought ram clearance might be an issue but you can see there is plenty of overhead from this image.






    Installation was a breeze. You will need to take your board out because you need to mount a backplate on the mobo.





    Fan clips are on and Fan is installed! 140mm FYI 500rpm so the fan is virtually silent.




    Ready for action!



    Testbed and Methods


    The testbed was configured as follows:

    * Asus P5K3 DELUXE BIOS 0910
    * Intel CORE2 DUO E8400 CPU (overclocked from its default 3.0GHz to 4.00GHz frequency)
    * MUSHKIN DDR3 PC3-14400 memory
    * VISIONTEK 3870 X2 VIDEO CARD
    * Western Digital Raptor WD740GD hard disk drive
    * MUSHKIN XP-800 power supply
    * ARCTIC SILVER 5 THERMAL PASTE
    * Windows XP with Service Pack 2

    I used my living room to maintain stable environment temperature. As for the software, i used orthos small fft test and core temp.

    I used a UEI DT200 to monitor the ambient temperature and certain areas of the cooler.

    Fan rotation speed was set. At the maximum fan rotation speed of 2,000rpm using a Evercool 120mm.

    Ambient room temperature maintained a constant 25c
    The cpu temperature in idle mode varied between 41.5 C and 43.5 C resulting into the average of 43 C.


    During 15 minutes of orthos load test (small fft) cpu temp was about 70c


    also note I have a bad e8400 that needs about 1.5v to reach 4ghz.


    The results are especially impressive if we take into account the fact that Scythe Orochi has some room left for improvement, i.e. it has not yet exhausted all its reserves. For example, you can polish off the footing and thus gain a little bit more on the efficiency side. As for the faster rotating fan, I would recommend a higher rpm 140mm fan to cool the board and memory a bit better. The stock fan doesn't move as much air as I had hoped for but if you are looking for silence this is the best solution. The height is 20c with a fan attached. I never installed it in a case but my case (coolermaster Stacker) is 21cm. from the top of the motherboard standoffs to the side door. This is really cutting it close and you can forget about it if you want a side fan over the cpu area but I guess it defeats purpose since the fan is basically right up against the door. This is really meant for caseless setups or good for cold air benching.

    On a scale from 1-10 I would give the Orochi a 7.

    pros:
    -easy to install
    -nice base finish
    -10 heatpipes
    -cools pwm and dimms
    -quiet operation with included fan

    cons:
    -too big to fit inside 99.99% of cases on the market
    -considering it's massive size results were a bit disappointing
    -included fan isn't powerful enough

    I'd like to thank Scythe USA for the review sample.
    Last edited by trans am; 03-04-2008 at 01:51 PM.

  2. #2
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    any temp test?

  3. #3
    Xtreme Enthusiast GripS's Avatar
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    Quote Originally Posted by Nelson92 View Post
    any temp test?
    My thoughts exactly... How is this a "review"?

    Also how was the heatsink mounted? The retention mechanism appears to be the hook type instead of the push pin or bolt through method.
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    Xtreme Guru trans am's Avatar
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    Yes sorry guys. i'm still working on the temps right now. just wanted to get some pics up in the meantime. hang on!

  5. #5
    Xtreme Addict Cybercat's Avatar
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    Ouch, 70 degrees load? Am I missing something? I realize it's running at 4GHz but isn't that a fairly typical OC for that CPU?
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    Xtreme Enthusiast cabbspapp's Avatar
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    I wanna see a 140x38mm fan on it.

  7. #7
    IT Engineer in the making celemine1Gig's Avatar
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    If this thing fits under my NMB 172x150x25,4mm fan that is mounted to my case door, then it's as good as already ordered.
    Quote from one of our professors:
    "Reality is hiding in the imaginary part."

  8. #8
    Xtreme Enthusiast awdrifter's Avatar
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    Is the 70c temp with or without fan? If it's with fan, that's pretty high.

  9. #9
    Diablo 3! Who's Excited? [XC] gomeler's Avatar
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    Wow.. my Scythe Ninja Rev B performs better with my E8400. This is more a preview though, need to include CPU volts and graphs

  10. #10
    Xtreme Enthusiast GripS's Avatar
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    70C for a dual core seems a bit high no?

    You might want to include the volts that you are putting through the CPU.

    I can't see why anyone would buy this thing if it really does perform that poorly. Imagine the temps on a quad.
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  11. #11
    IT Engineer in the making celemine1Gig's Avatar
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    Guys you don't seem to get the most important point here: The included fan is spinning extremely slow and that heatsink has a lot of surface to be cooled. This fan is more or less just there to have any air movement and not having completely passive cooling.
    Slap a high pressure fan, that can pump the air thorugh all the fins, on that thing and then you'll have killer performance.
    Quote from one of our professors:
    "Reality is hiding in the imaginary part."

  12. #12
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    any chance of trying something like a 100cfm fan? this seems like an interesting cooler and i'd like to know
    Cpu: Intel Core i7 920 @ 3.9 ghz (cooled w/ Apogee GTZ)
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  13. #13
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    Can you compare the Orochi with another heatsink?
    Maybe you're e8400 has a bad temp sensor. Someone i know runs an e8400 @ stock volts and clocks with a Scythe Ninja, and the cpu still gets over 60c full load. Even after a few remounts.
    It would be nice if you could test this heatsink with an old dusty 65nm @ 3.6ghz or something close.
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  14. #14
    I am Xtreme tiro_uspsss's Avatar
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    Quote Originally Posted by trans am View Post
    The testbed was configured as follows:

    * Asus P5K3 DELUXE BIOS 0910
    * Intel CORE2 DUO E8400 CPU (overclocked from its default 3.0GHz to 4.00GHz frequency)
    * MUSHKIN DDR3 PC3-14400 memory
    * VISIONTEK 3870 X2 VIDEO CARD
    * Western Digital Raptor WD740GD hard disk drive
    * MUSHKIN XP-800 power supply (8000W)
    * ARCTIC SILVER 5 THERMAL PASTE
    * Windows XP with Service Pack 2

    " In other news today, a young man who tests computer equipment, caused his state to loose power after switching on his PC... It is believed he was running a 'heatsink' test, when his 8000W PSU overloaded the power grid.... "
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  15. #15
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    lol nice 8000 watt power supply
    Core 2 duo e8400@4.0
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  16. #16
    Where's me Beer? hixie's Avatar
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    Quote Originally Posted by tiro_uspsss View Post

    " In other news today, a young man who tests computer equipment, caused his state to loose power after switching on his PC... It is believed he was running a 'heatsink' test, when his 8000W PSU overloaded the power grid.... "
    LOL!!



    Anyways, could you put a high CFM fan on that thing and see how it goes?

  17. #17
    Xtreme Addict ineedaname's Avatar
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    what we really need is another heatsink on that CPU to compare it with. Then another run with a high power fan.
    CPU: Q6600 @ 3.6ghz G0 Week 37B
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  18. #18
    Xtreme Guru trans am's Avatar
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    Quote Originally Posted by tiro_uspsss View Post

    " In other news today, a young man who tests computer equipment, caused his state to loose power after switching on his PC... It is believed he was running a 'heatsink' test, when his 8000W PSU overloaded the power grid.... "
    lol this made me piss my pants! hahaha! FIXED

  19. #19
    Xtreme Cruncher [XC] NetburstXE's Avatar
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    Very poor results considering the size. Even something small like the Arctic Cooling Freezer 7 Pro ($25 on Newegg, and much smaller than the Orochi) still performs better.

  20. #20
    Xtreme Enthusiast hersounds's Avatar
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    so what thermal compound use?

    look this...remember here in buenos aires is summer time,so the Ambient temps are high obviously but but look this frecuency and load temps with thermalright ultra 120 extreme and artic mx-2 anything lapped!



    so,orochi lose with TRUE120E?
    Last edited by hersounds; 03-04-2008 at 03:53 PM.
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  21. #21
    Xtreme Enthusiast zfactor's Avatar
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    i have a feeling this cooler was intended on being mainly a "fanless" option or with the fan they give you. sure you can add 3 total but imo i think their intent when creating this was for a fanless type sink and if that fan was really moving a small amount of air as he said it was then the results are pretty good. i would say to get a fan that moves some serious air then compare the two the true and this.. tough call
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  22. #22
    Xtreme Member JaYp146's Avatar
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    Somehow, whenever I see this thing, it reminds me more and more of a Kol Battleship from Sins of a Solar Empire.

    Anyway, yeah, this looks like a gargantuan spiritual successor to the Ninja; not designed for stellar performance with a fan. Rather, good for low airflow/passive setups. Oh, and GIANT CASES.

  23. #23
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    Got the Scythe Orochi. Here are some pics and a quick test, compared to Thermaltake Big Typhoon with Scythe KAZE-JYUNI "SLIP STREAM" 120mm.
    The system:
    Q6600
    Gigabyte GA-P35-DS4
    Patriot EP 4 x 1GB DDR2 800
    BFG GeForce 8800GT OC2
    OCZ GAMER XSTREAM 600W





    Idle, no overclock, low voltage:


    Prime95 for 10 min, no overclock, low voltage:


    Idle, 3.6 GHz:


    Prime95 for 10 min, 3.6 GHz:
    BSOD after 7 min Prime95 with no fan at 92C.
    Last edited by nijel; 03-06-2008 at 09:59 PM.

  24. #24
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    ^^^^ Nice comparison, that helps this thread a lot.

    The Orchi with the Kaze is
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  25. #25
    Xtreme Addict L'enFer's Avatar
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    I think you should attach two or three high cfm 80 mm fans to make it cool better.

    Sorry for my bad English

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