This contemporary and professional name is well suited to a hardware or security brand.
The name "stacksync" has nine characters and just two syllables. Two syllable names make popular global brands. Leading companies using two syllable names include Apple, Sony and Walgreens.
Stacksync.com is a dot-com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like facebook.com. When you own a dot-com, it is much easier to rank for your own name in search engines.