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 Barracuda 7200.9 (160 GB)$55.00 to $200.00

Barracuda 7200.9 is a member of the Seagate 3.5-inch family of high-capacity desktop drives targeted at mainstream and high-performance PCs and advanced storage applications. The product enables OEMs and system builders to qualify one family of drives from a premier provider for a wide range of storage applications.
Manufacturer:Seagate Product MPN MPN | ST3160812A | Key Features Designation | Desktop Computer | Capacity | 160 GB | Interface | IDE/EIDE | Enclosure | Internal | HDD Form Factor | 3.5" x 1/3H (Low Profile) | Spindle Speed | 7200 RPM | Technical Features External Data Transfer Rate | 100 MBps | Seek Time | 8.5 ms | Buffer Size | 8 MB | Average Latency | 4.17 ms | Interface (Detailed) | DMA/ATA-100 (Ultra) | Hot Swap | Yes | Sound Emission | 28 dB | Other Features Platform | PC | Package Qty. | 1 | Dimensions Height | 1 in. | Warranty Warranty | 5 Years | Miscellaneous Release Date | Q3, 2005 | UPC | 763649002308 |
Tags:seagate, barracuda, 7200.9, 160, gb,
| Apricorn A25-USB-160 (160 GB)$68.00 to $132.00

The Aegis Portable 2.5" hard drive instantly adds up to 160GB of capacity which is ideal for storing, sharing or backing up your valuable data. It's the perfect companion for travel between home and the office, or for extra storage on the go.
Manufacturer:Apricorn Product MPN MPN | A25-USB-80 | Key Features Capacity | 160 GB | Interface | USB | Enclosure | External | HDD Form Factor | 2.5" | Spindle Speed | 5400 RPM | Technical Features External Data Transfer Rate | 60 MBps | Seek Time | 12 ms | Buffer Size | 8 MB | Average Latency | 5.56 ms | Interface (Detailed) | USB 2.0 | Hot Swap | Yes | Other Features Compliant Standards | Plug and Play | Platform | PC, Mac | Package Qty. | 1 | Dimensions Height | 0.75 in. | Width | 3.33 in. | Depth | 4.72 in. | Weight | 1 lb. | Miscellaneous UPC | 00708326911214 |
Tags:apricorn, a25-usb-160, 160, gb,
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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.

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

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.

?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.