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,
| 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,
| BUSlink CipherShield CSC-250-U2 (250 GB)$246.00 to $427.00

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.
Manufacturer:BUSlink Product MPN MPN | CSC-250-U2 | Key Features Capacity | 250 GB | Interface | USB | Enclosure | External | Spindle Speed | 7200 RPM | Technical Features Security Features | Kensington Security Lock | External Data Transfer Rate | 60 MBps | Buffer Size | 2 MB | Average Latency | 4.17 ms | Interface (Detailed) | USB 2.0 | Other Features Compliant Standards | Plug and Play | Platform | PC | Package Qty. | 1 | Dimensions Height | 1 in. | Width | 5.38 in. | Depth | 8.25 in. | Weight | 4.75 lb. | Warranty Warranty | 1 Year | Miscellaneous UPC | 677891128443 |
Tags:buslink, ciphershield, csc-250-u2, 250, gb,
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The MK6021GAS, 2.5-inch 60GB hard disk drive, offers the industries highest areal density per platter, at 48.8gigabits per square inch. This new drive offers enough capacity for portable video recording and editing, with lower power consumption compared to the traditional 3.5-inch HDDs. This functionality provides ideal storage for a range of commercial and consumer notebooks, as well as non-PC applications such as PDAs, printers, copiers, GPS systems and MP3 players. The MK6021GAS is ATA-5 compliant, supporting high transfer rates of up to 100 megabytes per second.Minimize

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.

?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.

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.