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 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, 
  
 | Lenovo 41N3015 (250 GB)$63.00 to $90.00
 
  
  Lenovo extends its line of outstanding hard drive upgrade options with the 250GB Serial ATA (S-ATA) Hard Disk Drive (HDD) for selected models of Lenovo ThinkCentre systems.
 
  	Manufacturer:Lenovo		 Product MPN   MPN | 41N3015 | Key Features   Capacity | 250 GB |  Interface | Serial ATA | Enclosure    | Internal | HDD Form Factor    | 3.5" x 1/3H (Low Profile) | Spindle Speed    | 7200 RPM | Technical Features   Special Features | S.M.A.R.T Technology | External Data Transfer Rate    | 300 MBps | Seek Time    | 9 ms |  Buffer Size | 8 MB |  Average Latency | 4.17 ms | Interface (Detailed)    | Serial ATA II | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 1.02 in. |  Width | 4.02 in. |  Depth | 5.79 in. |  Weight | 1.41 lb. | Warranty   Warranty | 3 Years | Miscellaneous   UPC | 882861237036 |  
 
 Tags:lenovo, 41n3015, 250, gb, 
  
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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

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.

WD Caviar® SE16 7200 RPM next-generation SATA hard drives feature up to 500 GB of storage and a 16 MB cache for lightning-fast performance. Yes, these reliable drives are fast, but they still deliver technologically advanced acoustics and cool operation. Designed for high-performance computers, multimedia and gaming systems.Minimize

?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.