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 MPNKey FeaturesTechnical FeaturesOther FeaturesDimensionsMiscellaneous MPN 39M4530 Designation   Desktop Computer Capacity 500 GB Interface Serial ATA Enclosure   Internal HDD Form Factor   3.5" Spindle Speed   7200 RPM External Data Transfer Rate   300 MBps Buffer Size 16 MB Average Latency 4.17 ms Interface (Detailed)   Serial ATA Hot Swap Yes Platform   PC Package Qty. 1 Height 0.6 in. Width 2.76 in. Depth 4.39 in. Weight 0.5 lb. UPC 000435910479 Tags: ibm, 39m4530, 500, gb,

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,

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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Compaq 286712-006 (146 GB)

Compaq hard disk drives undergo an intense qualification process that eliminates data integrity problems, firmware and O/S incompatibilities, and other causes of data corruption or premature failure. Compaq hard disk drives are specifically designed and tested for flawless operation in your equipment. Supply your server, workstation or notebook with a Compaq hard disk drive and you will prevent incompatibilities that can rob your system of performance or cause you to lose valuable data. Minimize

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IBM 90P1305 (73 GB)

Double your throughput in select IBM eServer xSeries servers with the next generation of high-speed Ultra320 SCSI hard disk drives (HDDs), now with the new Ultra-Slim tray form factor. Ultra320 SCSI drives provide top-of-the-line performance for business-critical, disk-intensive applications such as e-business, transaction processing, data mining and data warehousing. Ultra320 SCSI technology combines interface data transfer rates of up to 320MBps, reduced overhead and enhanced flow control to help deliver dramatic performance gains. Improved diagnostics and data protection, as well as hot-swap capabilities with direct docking, help reduce downtime. For even greater reliability, you can create high-performance RAID arrays. Simply connect your drives to either an onboard Ultra320 SCSI controller with integrated mirroring capabilities or an IBM ServeRAID-5i Controller, available on select xSeries servers.Minimize

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Western Digital Caviar SE16 WD2500KS (250 GB)

These reliable drives are lightning fast, but they still deliver technologically advanced acoustics and cool operation. The one-two performance punch of 300 MB/s transfer rate, state-of-the-art performance for SATA drives, and 16 MB cache make the WD Caviar SE16 family the fastest desktop-class hard drives available. These SATA II drives feature a transfer rate three times faster than EIDE and twice as fast as SATA 1. Cool operation means the highest reliability even in high-heat environments such as personal video recorders. That's why these drives, the coolest on the market, are the drive of choice for the world's leading consumer electronics manufacturers as well as the world's leading PC makers.Minimize

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Hewlett Packard PV944UT (160 GB)

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.