Benchmark of my USB keys for when i look for new keys…, from worst to best.

LACIE petite key 32GB

LACIE petite key 32GB

Samsung BAR 64GB

Samsung BAR 64GB

Samsung BAR plus 32GB

LACIE petite key 32GB

Sandisk Extrem Pro 128 GB

LACIE petite key 32GB

Sandisk Extrem Pro 256 GB

LACIE petite key 32GB

References