Brand Metal USB Flash drive High speed Waterproof Mini USB Stick 8GB 4GB U Disk Storage USB 2.0 64 gb Pen Drive Free shipping

Storage Capacity:4GB.8GB.16GB.32GB.64GB

Product Feature

Interface: USB2.0

• Material:Metal
• High read/write Speed
• Color:Gold,Silver
• Speed:write speed :5M/S-10M/S
• USB Service Voltage: 4.5V-5.5V
• Environment Temperature: -40°C - +70°C
• Storage Temperature: -50°C - +80°C
• Storage Lifetime: More than 10 years
• Operating System: Win98/ME/2000/XP/ Vista/7 , OS 9.X/Linux2.4
• Convenient to carry
• Easy to read and read in high speed
• No need drive, only plug in
• No need power supply
• Support USB ZIP/HDD startup
• Small style and fashionable
• Shock resistance, damp proof, lighting resistance, antimagnetic
• endure impact and knock of 3 meters fall
• Use A-class chip, be erased repeatedly for 100,0000 times
• Compatible with PC, notebook    

Real Capacity

Computer use"Binary",the memory factory use "Decimal"

so the actual usage is 1000*1000*1000/1024/1024/1024=93.13%

so real capacity of 16GB is 16*93.13%=14.9GB.

4GB  =approximately 3.5GB-3.8GB

8GB  =approximately 7.2GB-7.8GB 

16GB=approximately 13GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-59GB

Each storage memory reference

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