When comparing BeagleBone Green Wireless 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 BeagleBone Green Wireless is ranked 65th. 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 Open source hardware
Schematic and board layout available at Seeed Studio's GitHub https://github.com/Seeed-Studio/beaglebone-getting-started/tree/BBGW/Docs/Hardware
Pro BeagleBone Black compatible
Compatible with BeagleBone Black software (with the exception of HDMI and Ethernet).
Pro WiFi and BlueTooth included
WiFi (2.4GHz b/g/n) and BlueTooth (classic and BLE) are both included.
Pro Includes 4 USB 2.0 host ports
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 No HDMI port
HDMI port is only available via an addon cape.
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.