It weighs less than 3 ounces. Its only 3.9" x 2.4" x 0.4". Soyo SlimEX offers fast transfer speed, 480 Mbps. On this device, there is option to boot it up and diagnose problems without entering the Windows operating system. According to Soyo web site, this hard drive will work without loosing data for 5 years or 20,000 hours of working time.



Features:

Up to 40 times faster than standard USB 1.1 connection
Bootable from USB, diagnose system problems without going into Windows!
Plug & Play via standard USB 2.0 or USB 1.1 interface
Magnesium Alloy Casing
Light weight & easy to carry
No drivers needed (Windows ME/2000/XP only)
No download cable or PCMCIA card required
Mac compatible
Up to 40GB storage capacity
No external power supply or battery required
Ideal for desktops and laptops
Shock resistant
USB cable, and complete installation CD

Technical Specs:

Hard Drive Type: 1.8" HDD
Storage Capacity: 40GB
Rotation Speed: 4200rpm
Buffer size: 2MB
Buffer to Host - PIO: 16.6MB/sec
Buffer to Host - Ultra DMA: 100MB/sec
Maximum Internal: 125.5 - 253.1 Mbits/sec
Track to Track Transfer Rate: 3ms
Average Transfer Rate: 15ms
Maximum Transfer Rate: 26ms
Average Latency: 7.14ms
Operating Vibration: 1.0G (5 to 50Hz)
Operating Shock: 250G/2ms
Non-Operating Shock: 1,000G/ 1.0ms
USB 2.0 (Up to 480Mbps)
MTTF (Power on hours): 300,000 hours
Power Type: USB Powered 3.3V ±5%
Operating System Supported: Windows XP, 2000, ME, 98, 98SE; Mac OS 8.6 or Higher
Operating Temperature: 41° - 140°F (5 to 60°C)
Storage Temperature: -4° - 149°F (-20 to 65°C)
Data Retention: 5 years or 20,000 power ON hours
Storage type: HDD

Dimension Descriptions:

Dimension: 3.9"x2.4"x0.4" (L x W x H)
Weight: 2.85oz



Currently, Soyo SlimEX goes for $150 - $200.