> How's this for a bit more meaty board at $299.
> http://liliputing.com/2016/03/lemaker-cello-dev-board-features-amds-64-bit-arm-chip.html
> It's got the AMD quad core A57. It also has a PCIe x16 slot, SATA, GigE and USB3.0.

Seems they can't get PCIe to work on this board:

https://linustechtips.com/main/topic/680521-still-broken-lemaker-cello-board-restarts-production/
http://www.semiaccurate.com/forums/showpost.php?p=288678