When comparing Logitech G910 Orion Spectrum vs Leopold FC660C, the Slant community recommends Leopold FC660C for most people. In the question“What are the best keyboards?” Leopold FC660C is ranked 4th while Logitech G910 Orion Spectrum is ranked 14th. The most important reason people chose Leopold FC660C is:
Topre switches are a high end switch which typically cost a hefty premium. They have mechanical components protected underneath a rubber dome which makes them more durable.
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Pros
Pro Individual RGB backlighting
Each key can be individually coloured, allowing a wide range of profiles to be set up. This enables the highlighting of important key groups in games, for instance (some games will have preset profiles for this).
Pro Comfortable support for your hands and good layout on the keys
Pro The key switches give a nice response without making too much "clicking" sound
Pro Topre switches at a good price
Topre switches are a high end switch which typically cost a hefty premium. They have mechanical components protected underneath a rubber dome which makes them more durable.
Pro Solid construction
The Leopold FC660C is a solid and well-build mechanical keyboard. In fact, it's heavier than the HHKB (Happy Hacking Keyboard).
Pro Topre switches are plate mounted
This board's keys don't feel bouncy thanks to it's topre switch design. Since the torpe switches are mounted directly on the plate, the board feels much stiffer overall.
Pro Compact and portable footprint
If you love your keyboard enough to want to use it everywhere, it should be portable, especially if it's as expensive as this one is. The FC660C is very compact and easy to carry around.
Cons
Con The price is a bit too high
Some might have bought it when there wasn't many other of the options available today from Logitech but it might be worth looking at the cheaper models unless you are looking for some very specific look or characteristics.
Con The spacebar doesn't seem to be firmly attached and feels a bit cheap
One example can be seen at 1:30 in this video link.
Con Can suffer from squeeky "plastic on plastic" rubbing with the case
Con Very expensive
Con Non standard key sizes
Non standard key sizes means your aftermarket keycap options are limited to non-modifiers. This issue also exists with virtually every other keyboard that utilises the Topre switch.