Review: Razer Orochi

Our score: 4/5
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January 31, 2011 2:58 PM
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Published: January 27, 2011 11:00 PM
By Vincent Alzieu
Translated by: Sam McGeever
The Razer Orochi represents near-perfection for demanding mobile users looking for a new mouse.  It operates either wirelessly or plugged in, suits left- and right-handers and is comfortable for both.  It's compact, easy to transport and very accurate.  It's more accurate still when you plug it in: connected to a USB port it runs at 1000 Hz and has a resolution of 4000 dpi; these figures fall to 125 Hz and 2000 dpi when you use it wirelessly.

Orochi razer

All that's missing in our eyes is a 'Logitech-style' scroll wheel that allows users to decide whether it should roll smoothly or click around, as well as moving side to side.  Everything else we could wish for is there already.

Orochi razer usb

You can use it as it is without installing the driver, but if you download the software from Razer's site you can tweak your mouse's configuration to your heart's content.

You can programme all seven buttons with custom macros which you can create using the software.  Unfortunately, you don't get much room, so while they're useful for gamers, anything more challenging might prove difficult.  We struggled with inserting pre-recorded text strings into documents or automating our photo editing for example.

Another part of the interface allows you to adjust the steps by which you can adjust the frequency, set to a default of 500 Hz.

In practice, moving from 500 Hz to 1000 Hz doesn't change much because the Orochi doesn't religiously stick to the frequency you configure.  Depending on how you're using it, it automatically updates its frequency and we noticed it at 438, 209 and 625 Hz for instance.  When you set it to 1000 Hz, it sticks to an average just over 500 Hz, and just below that figure when you set it to 500 Hz.  In reality, that has little effect on how responsive it feels or the load on the CPU.

As with other mice that have a variable frequency, these changes have one huge advantage in that they don't place too many demands on the CPU--or at least, far fewer than a 'real' 500 Hz or 1000 Hz mouse.  When the Orochi is moving, it occupies about 20% of the CPU.  On the other hand, it can peak (briefly) at 90% when you launch a very fast movement.

By default, the two buttons on the right hand side allow you to adjust the resolution on the fly. 
You can use the software to manually pick which resolutions are available.

Last, but by no means least, the sensor's top speed is excellent.  In both wired and wireless mode, the Orochi didn't skip a beat when we moved it across our desk at 3.5 metres per second, which is very fast indeed.  It won't be the Orochi that lets you down if you're caught in the heat of the action.
4/5 Razer Orochi DigitalVersus 2011-01-28 00:00:00


  • Excellent laser sensor can keep track of movements up to 3.5 m/s
  • Choice of wireless or wired mode
  • Solid, comfortable and suitable for left- and right-handers
  • Lots of custom options in the driver, but it works fine without it


  • No Bluetooth adaptor
  • Supplied batteries aren't rechargeable
  • No horizontal control of the scroll wheel
  • Two batteries make it heavy for a small mouse
  • Expensive!


The Razer Orochi came very close to getting five stars. If you invest in some rechargeable batteries, it's almost perfect. This fast, accurate, comfortable little gem is our new favourite mobile mouse.