Hewlett Packard 431944-B21 (300 GB)$249.00 to $750.00
 
  
  ?Serial Attached SCSI is the logical evolution of SCSI, including its long-established software advantage and the Serial ATA electrical and physical connection interface. SAS meets all these demands while providing the highest performance.
 
  	Manufacturer:Hewlett Packard		 Product MPN   MPN | 431944-B21 | 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 |  Average Latency | 2 ms | Interface (Detailed)    | SAS |  Hot Swap | Yes | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 1 in. |  Width | 4 in. | Warranty   Warranty | 3 Years | Miscellaneous   UPC | 0882780637726 |  
 
 Tags:hewlett, packard, 431944-b21, 300, gb, 
  
 | 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, 
  
 | Seagate Cheetah 10K.6 (146.8 GB)$105.00 to $230.00
 
  
  The Cheetah 10K.6 is Seagate's sixth-generation 10K RPM high performance, high capacity disk drive. With the fastest interfaces, the highest reliability and the most mature product design, the Cheetah 10K.6 enables the lowest ownership cost. In data intensive environments, increasing the capacity per disk drive lowers ownership costs by deploying fewer systems that use less cubic feet of space requiring less infrastructure such as cabinets, HBAs and less wattage of power.Minimize
 
  	Manufacturer:Seagate		 Product MPN   MPN | ST3146807LC | Key Features  Designation    | Desktop Computer |  Capacity | 146.8 GB |  Interface | SCSI | Enclosure    | Internal | HDD Form Factor    | 3.5" x 1/3H (Low Profile) | Spindle Speed    | 10000 RPM | Technical Features   SCSI Signaling Type | Low Voltage Differential (LVD) |  Special Features | S.M.A.R.T Technology | Internal Data Transfer Rate    | 624 Mbit/s | External Data Transfer Rate    | 320 MBps | Seek Time    | 4.7 ms |  Buffer Size | 8 MB |  Average Latency | 3 ms | Interface (Detailed)    | SCSI • SCSI Ultra320 |  Sound Emission | 34 dB | Other Features  Platform    | PC |  Package Qty. | 1 | Dimensions   Height | 0.99 in. |  Width | 4.02 in. |  Depth | 5.75 in. |  Weight | 1.54 lb. | Warranty   Warranty | 5 Years |  
 
 Tags:seagate, cheetah, 10k.6, 146.8, gb, 
  
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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.

Cool, quiet operation, superior performance and industry-leading reliability make these SATA drives ideal for desktop, business, and consumer electronics storage.

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.

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.