Hvad er forskellen på disse 3 Kingston USB nøgler

Det ser jo umiddelbart underlig ud, men jeg tror at forskellen ligger i hvor hurtig du kan læse/skrive på den.

1:
data transfer rates of up to 24 MB/sec. read and up to 14 MB/sec. write **

2:
Data Transfer rates of up 24MB/sec. read and up to 14MB/sec write**
Denne ahr indbygget kryptering

3:
Efficient — data transfer rates of up to 6 MB/sec. read and up to 3 MB/sec write

2:
Full Privacy — 100% of stored data is protected by 128-bit Advanced Encryption Standard (AES) hardware-based encryption
Fast — data transfer rates of up to 24 MB/sec. read and up to 14 MB/sec. write **
Secure — drive locks down after specified number of brute force intrusion attempts
Strong password protection — password is user set with minimum characteristics** to prevent unauthorized access
Easy to Use — just plug and play into a USB port
Guaranteed — five-year warranty
Customizable — co-logo program available
Compatibility Table

1:
Capacities* — 256MB, 512MB, 1GB, 2GB, 4GB
Dimensions — 3.1" x 0.9" x 0.4" (77.4mm x 22.1mm x 10.1mm)
Operating Temperature — 0o to 60o C / 32o to 140o F
Storage Temperature — -20o - 85o C / -4o to 185o F
Fast — Data Transfer rates of up 24MB/sec. read and up to 14MB/sec write**
Safeguarded — Includes TravelerSafe+ access security software for Windows
Secure — Utilizes 128-bit Advanced Encryption Standard (AES) hardware-based encryption (privacy zone)
Simple — Just plug and play into a USB port
Easy to Use — Includes My Traveler file management software
Guaranteed — Five-year warranty
Customizable — Co-logo program available
Compatibility Table:

3:...
Capacities† — 1 GB, 2GB
Dimensions — 2.64" x 0.80" x 0.35" (66.9 mm x 20.4 mm x 9.0 mm)
Weight — 0.4 oz (11.3 g)
Operating Temp — 32o F to 140o F (0o C to 60o C)
Storage Temp — -4o F to 185o F (-20o C to 85o C)
Efficient — data transfer rates of up to 6 MB/sec. read and up to 3 MB/sec write
Compliant — designed to U3 and Hi-Speed USB 2.0 specifications
Easy to use — intuitive U3 Launchpad** is a user-friendly interface that launches U3 software and manages programs and other functions
Flexible — U3 Launchpad operates in seven languages: English, Spanish, French, German, Italian, Japanese and Simplified Chinese
Secure — includes password protection
Convenient — pocket-sized for easy transportability
Simple — just plug and play into a USB port
Practical — stores cap securely on end of device to prevent loss of cap
Guaranteed — five-year warranty
Fashionable — available in two colors based on capacity: 1 GB, silver with black grip and 2 GB, silver with orange grip

okay tak.
Det er mange % ekstra for lidt hastighed.

2 gb overførsel vil tage 5,5 min eller 1,5 min.
Jeg køber den billige.

Kunne købe 1 GB, men har opdaget at jeg tit har brug for lidt mere...
Tak

Anytime ;-)