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, 
  
 | Western Digital Caviar SE16 WD5000KS (500 GB)$45.00 to $910.00
 
  
  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
 
  	Manufacturer:Western Digital		 Product MPN   MPN | WD5000KSRTL2 | Key Features  Designation    | Desktop Computer |  Capacity | 500 GB |  Interface | Serial ATA | Enclosure    | Internal | HDD Form Factor    | 3.5" | Spindle Speed    | 7200 RPM | Technical Features  Internal Data Transfer Rate    | 748 Mbit/s | External Data Transfer Rate    | 300 MBps | Seek Time    | 8.9 ms |  Buffer Size | 16 MB |  Average Latency | 4.17 ms | Interface (Detailed)    | Serial ATA II |  Sound Emission | 33 dB | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 1.03 in. |  Width | 4 in. |  Depth | 5.79 in. |  Weight | 1.32 lb. | Miscellaneous   UPC | 718037117645 |  
 
 Tags:western, digital, caviar, se16, wd5000ks, 500, gb, 
  
 | Hewlett Packard PV944UT (160 GB)$69.00 to $122.00
 
  
  Serial ATA NCQ Hard Drives maximize performance by providing faster data transfer speeds, better system cooling airflow, more bandwidth, more headroom for speed increases in future generations and better data integrity.
 
  	Manufacturer:Hewlett Packard		 Product MPN   MPN | PV944UT | Key Features  Designation    | Desktop Computer |  Capacity | 160 GB |  Interface | Serial ATA | Enclosure    | Internal | Spindle Speed    | 7200 RPM | Technical Features  Internal Data Transfer Rate    | 2,400 Mbit/s | External Data Transfer Rate    | 300 MBps |  Average Latency | 4.17 ms | Interface (Detailed)    | Serial ATA | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Width | 4 in. |  Depth | 1 in. |  Weight | 2.2 lb. | Warranty   Warranty | 1 Year | Miscellaneous   UPC | 882780713437 |  
 
 Tags:hewlett, packard, pv944ut, 160, 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

WD Scorpio 2.5-inch drives offer high-performance, low power consumption and cool operation, making them ideal for notebooks and other portable devices.

Compaq hard drives are provided with the reliability and functionality needed for today's systems. All hard drives are designed and tested for compatibility and interoperability in the systems for which they are intended in order to provide the immediate, flawless integration expected from Compaq equipment.

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.