This contemporary and professional name is well suited to a hardware or security brand.
The word "stacksync" contains nine letters and just two syllables. Two syllable names make popular global brands. Examples of two popular syllable names include Sony, Gillette and Disney.
Stacksync.com is a dot-com domain. Dot com domains are the most sought after domain extension in the world, famously used by websites like google.com. Once you own a dot-com, it will be much easier to rank for your own name in Google.