Premium Compact Flash Memory upgrade for the Boss series of digital recorders. 1GB CompactFlash Card for your BR-600, BR-864, BR-900CD, MC-808 plus all other Boss Samplers, Drum Machines, Keyboards and Recording devices that utilize CF memory. $ 25.75 Customer Reviews 2 of 2 people found the following review helpful Hard to find, December 1, 2011 [Description & reviews]