The per-pin data rate for DDR4 is specified as 1.6 giga transfers per second to an initial maximum objective of 3.2 giga transfers per second.

ENGADGET: JEDEC announces final DDR4 RAM specification

However, the firm does not believe return customers at its UK stores were affected - or that chip and pin data in the UK was accessed as none is stored on the systems in Watford.

BBC: NEWS | Business | Hackers target TK Maxx customers

Motorola PHOTON Q is Business Ready with full corporate security including remote wipe, pin lock, and data encryption.

ENGADGET: Sprint's Motorola Photon Q LTE is coming 'very soon' (update)