Viking Modular reaches 520 MB/s with SSD in DIMM format
 

Viking Modular specializes in different memory products and its perhaps most interesting solutions are SSDs that plugs into DDR3 memory slots. This way you save space in a case and can draw power through the memory slot instead of an external cable. With SATA 6.0 Gbps support the latest creation reaches speeds up to 520 MB/s.

http://www.nordichardware.com/news/8...mm-format.html