Pretty sure it is mini B
(Attachment Link) 43269[/ATTACH]
That does look like a mini B..
[ Attachment Invalid Or Does Not Exist ] 43270[/ATTACH]
Looks like the EK website is wrong:
Keyboard Features
60-Key modified US ANSI Layout
45gram sensitivity, 4mm travel Topre Electrostatic Capacitive Key Switches
Dimensions: 294 x 110 x 39.9mm (11.6 x 4.3 x 1.6in)
Detachable USB mini-A interface, 1.8m cable includedIntegrated USB 2.0/1.1 Hub (Current supply limited to 100mA)
High durability PBT (polybutylene terephthalate) keycaps
Long life dye-sublimated keycap labeling (Dark gray)
Keyboard mode selection dip-switch
Weight: 530g (1 lb 3oz)
Made in Japan