Hi!
Hab mal geguckt zur Serial Baracuda V:
(
http://www.seagate.com/cda/products/disc…81,563,00.html)
Features Benefits 
 
7,200 RPM desktop performance
  Improves overall PC performance
  
350 Gs nonoperating shock
  Protects drive from shock and vibration
  
3D Defense System
  Industry's most comprehensive drive and data protection system
  
DiscWizard software
  World's best disc installation software utility
  
SoftSonic(TM) FDB motor 
  Quietest acoustics on any desktop drive
  
8-Mbyte cache buffer
  Improved performance
  
Serial ATA interface
  Fastest data transfer rates
 
Also denk ich mal die is leiser als die Iv oder genauso leise, sonst würden die nich sagen.(Vertrauen?)
Und bei suggested price steht auch noch nichts, also denk ich mal die is noch nich im Handel.
Edit und das für die baracuda ATA V:
http://www.seagate.com/cda/products/discsales/marketing/detail/0,1081,559,00.html
Features Benefits 
 
7,200 RPM desktop performance
  Improves overall PC performance
  
350 Gs nonoperating shock
  Protect drive from shock and vibration
  
2-Mbyte cache buffer
  Improved performance
  
Ultra ATA/100 interface
  Fastest data transfer rates
  
3D Defense System
  Industry's most comprehensive drive and data protection system
  
DiscWizard software
  World's best disc installation software utility
  
SoftSonic (TM) FDB motor
  Quietest acoustics on any desktop drive
  
 
Distinctions 
Best-in-class nonoperating shock for excellent reliability 
Best combination of performance, acoustics and robustness 
<2.4 bels idle acoustics - the industry's best 
Platform based on the highly reliable Barracuda ATA IV disc drive 
3D Defense System for world's best drive and data protection 
SoftSonic (TM) FDB motor on every drive