Im going to purchase one of HP's PCI-e 8x Raid SAS cards, im wondering if there is any problem with raid cards that have 512k cache memory. I hardly see any cards that have that much mostly you see ones that have 128 or 256k in cache is there a reason for that? The current card im interested in is this one: http://www.newegg.com/Product/Prod [...] 6816401016 If anyone knows any problem I might encounter please reply. Thx.