I like this one too. And without the borders even better. Simple, and has the advantage of incorporating the name, and startups need name recognition anywhere they can get it. And the two rows of eight blocks can be subtly incorporated into a lot of designs and layouts even without the name and hopefully eventually be recognizeable.
Don’t know if I would like color in it. All the really good logos don’t depend on color. And I still remember when Deutsche Telekom tried to trademark the color magenta.