I'm not going on a mere epilogue cld usb, for short: positive: -the form factor, small and with a ring goes, it may very well accommodated with real key on a key ring. -manufacture: excellent finish, it is on my key ring with 5 or 6 key metal too, no concern for debates on my kingston, when a quality SLC chip that key component, and although Kingston is = very good lifetime. Now the negative: -difficile has come out of a port in which it was housed, so it is small. Copy Flow rate slow enough personally has used clusters of dds ubs3 in the ... Astronomical difference is: you go (in writing) of 220Mo / s (for me) has about 35MB / s ... but on a key of this type and this price (for this quality), it does bother me at all.