Mashable reports: [edited]
Samsung has announced it will be launching a 512GB solid-state drive measuring 20 x 16 x 1.5mm.
The PM971 is installed directly on the motherboard. According to the Samsung, this drive can download a 5GB HD movie in about 6 seconds with read and write speeds of about 1.5GBps and 900MBps.
It weighs 1g.