AF4GCFP, CF-4GB-150X-ATP
ATP is a world leading manufacturer of flash memory.
4GB Compact Flash (CF) PRO MAX, 150X speed rating 
Speed: READ at 21.3 MB/sec and WRITE at 20.4MB/sec 
Withstands a minimum of 100,000 erase cycles.

Features: 
Low power consumption 
Includes a plastic clamshell case

Warranty: 
The CF-4GB-150X-ATP carries an ATP 2 years exchange or repair warranty against manufacturing defects. 
It may also be returned if unused in unopened packaging within 15 days of delivery for full credit, minus shipping cost. 
Unlimited lifetime tech support for this item.
Manufactured by ATP

Compatibility:- All high-speed and high-end digital photo applications.