to speed:
USB 3.0, tested with Intenso Memory Home External Hard Drive 1TB (6.4 cm (2.5 inches), 5400rpm, 8MB cache, USB 3.0) anthracite
Reads an average 104-105 MB, very consistent! No change to the USB3.0 port on the rear mainboard
SD slot, tested with Sandisk Extreme SDHC Secure Digital High Capacity 16GB Class 10 Memory Card [Amazon Frustration-Free Packaging]
Reading speed:
257 images, 1.08 GB, 0:29 min (37 MB / sec)
3 Videos, 5.53 GB, 2:09 min (43 MB / sec)
Knotless values! With a faster card is certainly to get even more out of the device)