Hewlett Packard 395473-B21 (500 GB)$110.00 to $605.00
 
  
  Hard Drive Spindle Speed - 7200Rpm Hard Drive Type - Hot-swap Hard Drive Capacity - 500GB Hard Drive Interface Type - Serial ATA Form Factor - 3.5''
 
  	Manufacturer:Hewlett Packard		 Product MPN   MPN | 395473-B21 | Key Features   Capacity | 500 GB |  Interface | Serial ATA | Enclosure    | Internal | Spindle Speed    | 7200 RPM | Technical Features  External Data Transfer Rate    | 150 MBps |  Average Latency | 4.17 ms | Interface (Detailed)    | Serial ATA |  Hot Swap | Yes | Other Features  Platform    | PC |  Package Qty. | 1 | Warranty   Warranty | 1 Year | Miscellaneous   UPC | 882780029781 |  
 
 Tags:hewlett, packard, 395473-b21, 500, gb, 
  
 | Hewlett Packard EM174AA (300 GB)$261.00 to $577.00
 
  
  The Hewlett Packard (EM174AA) 300 GB SAS Hard Drive is fully compatible with PC systems.The Hard Drive connect by: SAS for Internal utilization. Spinning up to 15000 RPM and offering capacity as large as 300 GB
 
  	Manufacturer:Hewlett Packard		 Product MPN   MPN | EM174AA | Key Features  Designation    | Desktop Computer |  Capacity | 300 GB | Enclosure    | Internal | HDD Form Factor    | 3.5" x 1/3H (Low Profile) | Spindle Speed    | 15000 RPM | Technical Features  External Data Transfer Rate    | 300 MBps | Seek Time    | 3.5 ms |  Buffer Size | 16 MB |  Average Latency | 2 ms | Interface (Detailed)    | SAS |  Hot Swap | Yes | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 1 in. |  Width | 4 in. | Miscellaneous   UPC | 882780226982 |  
 
 Tags:hewlett, packard, em174aa, 300, gb, 
  
 | Western Digital Caviar SE16 WD3200KS (320 GB)$47.00 to $91.00
 
  
  WD Caviar SE16 7200 RPM next-generation SATA hard drive features 320 GB of storage and a 16 MB cache for lightning-fast performance. Yes, this reliable drive is fast, but it still delivers technologically advanced acoustics and cool operation. Designed for high-performance computers, multimedia and gaming systems.
 
  	Manufacturer:Western Digital		 Product MPN   MPN | WD3200KSRTL | Key Features  Designation    | Desktop Computer |  Capacity | 320 GB |  Interface | Serial ATA • IDE/EIDE | Enclosure    | Internal | HDD Form Factor    | 3.5" x 1/3H (Low Profile) | Spindle Speed    | 7200 RPM | Technical Features  External Data Transfer Rate    | 300 MBps | Seek Time    | 8.7 ms |  Buffer Size | 16 MB |  Average Latency | 4.17 ms | Interface (Detailed)    | IDE • Serial ATA • Serial ATA II |  Sound Emission | 28 dB | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 1.03 in. |  Width | 4 in. |  Depth | 5.79 in. |  Weight | 1.62 lb. | Warranty   Warranty | 3 Years | Miscellaneous   UPC | 718037117775 |  
 
 Tags:western, digital, caviar, se16, wd3200ks, 320, gb, 
  
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The Hewlett Packard (EM174AA) 300 GB SAS Hard Drive is fully compatible with PC systems.The Hard Drive connect by: SAS for Internal utilization. Spinning up to 15000 RPM and offering capacity as large as 300 GB

The Western Digital Scorpio 120 GB USB 2.0 Hard Drive is fully compatible with PC systems.The Hard Drive connect by: USB 2.0 for External utilization. Spinning up to 5400 RPM and offering capacity as large as 120 GB

WD Scorpio Blue drives offer high-performance, low power consumption, and cool operation, perfect for notebooks and other portable devices. Pick the drive that suits your needs with the confidence in knowing that all WD Scorpio Blue drives are built to the highest standards of quality and reliability.

The IBM (39M4526) 250 GB SATA II Hard Drive is fully compatible with PC, Unix systems. Spinning up to 7200 RPM and offering capacity as large as 250 GB