For the record these seem to have a 5 year not a 2 year warranty(Per the link) which these are PFU:
Flash Storage Devices
SD Cards
USB Thumb Drive 5 Year Warranty
SD Cards (All Models)
Micro SD Cards (All Models)
Flash Air Cards (All Models)
Compact Flash Cards (All Models)
TransMemory Pro USB 3.0 Pro Flash Drives (PFUxxx)