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, 
  
 | IBM 39M4530 (500 GB)$174.00 to $496.00
 
  
  This hot-swap Serial ATA hard disk drive offers 500GB of storage capacity in a single drive.  The 3.5" form factor and hot swap capability allow for replacing the hard disk drive without shutting the server down first.
 
  	Manufacturer:IBM		 Product MPN   MPN | 39M4530 | Key Features  Designation    | Desktop Computer |  Capacity | 500 GB |  Interface | Serial ATA | Enclosure    | Internal | HDD Form Factor    | 3.5" | Spindle Speed    | 7200 RPM | Technical Features  External Data Transfer Rate    | 300 MBps |  Buffer Size | 16 MB |  Average Latency | 4.17 ms | Interface (Detailed)    | Serial ATA |  Hot Swap | Yes | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 0.6 in. |  Width | 2.76 in. |  Depth | 4.39 in. |  Weight | 0.5 lb. | Miscellaneous   UPC | 000435910479 |  
 
 Tags:ibm, 39m4530, 500, gb, 
  
 | Hewlett Packard 431933-B21 (36 GB)$130.00 to $342.00
 
  
  Serial Attached SCSI is the logical evolution of SCSI, including its long-established software advantage and the Serial ATA 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.Minimize
 
  	Manufacturer:Hewlett Packard		 Product MPN   MPN | 431933-B21 | Key Features  Designation    | Desktop Computer |  Capacity | 36 GB |  Interface | SCSI | Enclosure    | Internal | HDD Form Factor    | 2.5" | Spindle Speed    | 15000 RPM | Technical Features  External Data Transfer Rate    | 300 MBps | Seek Time    | 3 ms |  Average Latency | 2 ms | Interface (Detailed)    | SCSI • SAS |  Hot Swap | Yes | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 0.59 in. |  Width | 2.75 in. |  Depth | 3.94 in. | Warranty   Warranty | 3 Years | Miscellaneous   UPC | 4948382473042 |  
 
 Tags:hewlett, packard, 431933-b21, 36, gb, 
  
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WD Scorpio 2.5-inch drives offer fast performance and low power consumption, making them ideal for notebooks and other portable devices.

Cool-running, quiet operation, superior performance and industry-leading reliability make the WD Caviar SE drives the perfect hard drives for desktop and enterprise storage.

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

The IBM (40K1044) 146 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 146 GB