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, 
  
 | 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, 
  
 | BUSlink CipherShield CSC-250-U2 (250 GB)$246.00 to $427.00
 
  
  Buslink's 3.5 inch desktop hard drives feature high capacities and provide USB 2.0. Pre-formatting saves time and assures 100% quality control. All Buslink external desktop hard drives feature a metal alloy case that dissipates heat. AC adapter, Connecting cables and drivers included.
 
  	Manufacturer:BUSlink		 Product MPN   MPN | CSC-250-U2 | Key Features   Capacity | 250 GB |  Interface | USB | Enclosure    | External | Spindle Speed    | 7200 RPM | Technical Features   Security Features | Kensington Security Lock | External Data Transfer Rate    | 60 MBps |  Buffer Size | 2 MB |  Average Latency | 4.17 ms | Interface (Detailed)    | USB 2.0 | Other Features   Compliant Standards | Plug and Play | Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 1 in. |  Width | 5.38 in. |  Depth | 8.25 in. |  Weight | 4.75 lb. | Warranty   Warranty | 1 Year | Miscellaneous   UPC | 677891128443 |  
 
 Tags:buslink, ciphershield, csc-250-u2, 250, gb, 
  
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Serial Attached SCSI (SAS) is the logical evolution of SCSI, including its long-established software advantage and the Serial ATA (SATA) electrical and physical connection interface. With enterprise storage requirements escalating and becoming more complex, factors such as larger capacity, greater density, security, scalability and accessibility are more critical than ever. Enterprise data centers must be online all the time, fulfill requests from numerous users simultaneously, allow for constant growth and expansion and be maintained while in operation. Serial Attached SCSI meets all these demands while providing the highest performance.Minimize

The My Book Studio Edition (Model WDH1Q3200N) offers 320B of storage, quad interface, and a high-speed interface that makes it perfect for creative professionals and video editors.

The Hewlett Packard (PY278AA) 250 GB SATA II Hard Drive is fully compatible with PC systems.The Hard Drive connect by: Serial ATA II for Internal utilization. Spinning up to 7200 RPM and offering capacity as large as 250 GB

?Serial Attached SCSI is the logical evolution of SCSI, including its long-established software advantage and the Serial ATA electrical and physical connection interface. SAS meets all these demands while providing the highest performance.