As one of its daily deals, Newegg offers two Western Digital 3TB Red Serial ATA 6Gb/s Internal Hard Drives, model no. WD30EFRX, for $189.99 with free shipping. That's the lowest total price we could find for this quantity by $28. (For further comparison, we saw it for $5 less per unit the week of Black Friday, however it required the purchase of four drives.) It features a 64MB cache and runs at 7200 rpm.