NOTICE:The item(s) are NOT coming with retail packing, But 100% Genuine & Working Great!
 
 
 
Feature
Product Type: Compact Flash (CF)- Type
Flash Memory Capacity: 512MB
Pin: 50-pin
Dimensions: 36.4mm(L)*42.8mm(W)*3.3mm(H)
Weight: 15g
Brand Name: CISCO
Form Factor: CompactFlash (CF)
Application/usage: Switch Data transmission
Read speed: 8 - 16MB/sec=100X
Write speed: 8 - 15MB/sec
Environments and Temperatures from:
-13º F to 185º F
-25º C to 85º C 
Voltage: 3.3V ± 10%; 5.0V ± 10% 
Specifications
Easy plug-and-play.
512MB Memory Capacity.
Low Power Consumption.
Solid-State Storage.
100% Satisfaction Guarantee.
Come with Protection Plastic Box.
Support : Windows 7, 2000, XP/Macos 
Technical reference
Compatible with:
Digital Cameras
Digital Video Players
Digital MP3 Music Players
Computers
Laptops
Card readers
Handheld PCs
And other devices that feature a Compact Flash slot.