When comparing Radxa Rock2 vs Helios4, the Slant community recommends Helios4 for most people. In the question“What are the best single-board computers?” Helios4 is ranked 38th while Radxa Rock2 is ranked 43rd. The most important reason people chose Helios4 is:
Has four SATA 3.0 ports so it can handle up to 48TB of storage (12TB on each SATA port).
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Pros
Pro Built-in Bluetooth
Has a built-in Bluetooth module. Meaning there's no need to buy one.
Pro Built-in Wifi wth antenna
Has built-in Wifi capabilities.
Pro Can dual boot Linux and Android
Other than supporting several Linux distros along with Android, you can also choose to dual-boot both.
Pro Provided with a clear plastic case
Comes with a clear plastic case included in the price, which is pretty useful for most projects people would use a SBC for..
Pro 4 X SATA 3.0
Has four SATA 3.0 ports so it can handle up to 48TB of storage (12TB on each SATA port).
Cons
Con HDMI has some problems on Linux
The HDMI port has some issues on Linux, fortunately these issues are not present when using Android.
Con The project fall down
Con No battery or UPS
A PC tailored for NAS usage should have a battery or UPS to prevent data corruption after a power loss. A tiny battery to safely shut it down would be enough.
Con Company shut down business!
See their website-shop.
Con Expensive
After the preorder It is expensive now.
