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 MPNKey FeaturesTechnical FeaturesOther FeaturesDimensionsWarrantyMiscellaneous MPN 431944-B21 Designation   Desktop Computer Capacity 300 GB Enclosure   Internal HDD Form Factor   3.5" x 1/3H (Low Profile) Spindle Speed   15000 RPM External Data Transfer Rate   300 MBps Seek Time   3.5 ms Average Latency 2 ms Interface (Detailed)   SAS Hot Swap Yes Platform   PC Package Qty. 1 Height 1 in. Width 4 in. Warranty 3 Years UPC 0882780637726 Tags: hewlett, packard, 431944-b21, 300, gb,

Seagate Barracuda 7200.10 ST3750640AS (750 GB) $130.00 to $996.00 With up to 750GB of pure digital storage in a single drive, the Barracuda 7200.10 is the largest, most reliable disc drive around. New perpendicular recording technology supports vertically stored data bits, enabling increased areal density and dependability for workstations and performance PCs. Additionally, the Barracuda 7200.10 is available in SATA 3Gb/s, SATA 1.5Gb/s and ATA/100 interfaces.Minimize Manufacturer:Seagate Product MPNKey FeaturesTechnical FeaturesOther FeaturesDimensionsWarrantyMiscellaneous MPN ST3750640AS Designation   Desktop Computer Capacity 750 GB Interface Serial ATA Enclosure   Internal HDD Form Factor   3.5" x 1/3H (Low Profile) Spindle Speed   7200 RPM Special Features S.M.A.R.T Technology Internal Data Transfer Rate   760 Mbit/s External Data Transfer Rate   300 MBps Seek Time   8 ms Buffer Size 16 MB Average Latency 4.17 ms Interface (Detailed)   Serial ATA II Sound Emission 27 dB Platform   PC Package Qty. 1 Height 1.03 in. Width 4 in. Depth 5.79 in. Weight 1.6 lb. Warranty 5 Years UPC 840356585611 Tags: seagate, barracuda, 7200.10, st3750640as, 750, 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 MPNKey FeaturesTechnical FeaturesOther FeaturesDimensionsMiscellaneous MPN WD5000KSRTL2 Designation   Desktop Computer Capacity 500 GB Interface Serial ATA Enclosure   Internal HDD Form Factor   3.5" Spindle Speed   7200 RPM 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 Platform   PC Package Qty. 1 Height 1.03 in. Width 4 in. Depth 5.79 in. Weight 1.32 lb. UPC 718037117645 Tags: western, digital, caviar, se16, wd5000ks, 500, gb,

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IBM 40K1043 (73 GB)

High performance and reliability, a winning data storage solution. Designed specifically to meet the needs of your advanced, data-intensive applications, IBM hard disk drives provide users with a wide range of capacities and interfaces for nearly every data-intensive application.

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Western Digital Caviar Special Edition WD3200JB (320 GB)

Cool-running, quiet operation, superior performance and industry-leading reliability make these next-generation WD Caviar SE drives the perfect hard drives for desktop and enterprise storage.

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Hewlett Packard 395473-B21 (500 GB)

Hard Drive Spindle Speed - 7200Rpm Hard Drive Type - Hot-swap Hard Drive Capacity - 500GB Hard Drive Interface Type - Serial ATA Form Factor - 3.5''

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Lenovo 41N3015 (250 GB)

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.