Probably; Eyeball check says yes. Check for Compucase 8K01 reviews, see what they successfully used for optical drives and make a comparison.
No; MB accessory pack has 2 SATA drive cables. (1 SATA II and 1 SATA III)
Check on linux driver support for your ASRock E350m1 motherboard.
Check the mini-ITX case choices @ LogicSupply