B&H Photo-Video offers the Toshiba Q Series 512GB Serial ATA 6GB/s Internal SSD, model no. HDTS251XZSTA, for $199 with free shipping. That's tied with our mention from last month as the lowest total price we've seen for this SSD. (It's also a current price low by $221.) It features read speeds of up to 552MB/s and write speeds of up to 501MB/s.