Specification Brand : Seagate BulletPoint : Seagate Constellation Es St1000nm0001 1 Tb 3.5 Internal Hard Drive - Sas - 7200rpm - 64 Mb Buffer - 1 Pack BulletPoint1 : Industry’s highest capacity near line drive - WD RE SATA hard drives are available in capacities ranging from 2 TB to 4 TB to suit even the most demanding storage needs. BulletPoint2 : Highest performance for business-critical applications - WD RE delivers 6 Gb/s transfer rates, sustained sequential data rates of 171 MB/s and high random I/O rates. BulletPoint3 : Designed for quality and reliability - With a field-tested 1.2 million hour MTBF, this high performance drive delivers the highest level of reliability for 24x7 operation in up to 100% duty cycle applications. BulletPoint4 : Dual processor - Twice the processing power to maximize performance. BulletPoint5 : Vibration Protection - Enhanced RAFF technology includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration in real time. BulletPoint6 : Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary. Capacity : 1 TB Color : Silver CompatibleDevices : Desktop ConnectivityTechnology : SATA CustomerPackageType : Frustration-Free Packaging DataTransferRate : 6 gigabits_per_second DigitalStorageCapacity : 1 TB ExternallyAssignedProductIdentifier1 : 763649028827 ExternallyAssignedProductIdentifier2 : 0763649028827 ExternallyAssignedProductIdentifier3 : 00763649028827 ExternallyAssignedProductIdentifier4 : 0718037814858 ExternallyAssignedProductIdentifier5 : 00718037814858 FormFactor : 3.5-inch HardDiskFormFactor : 3.5 inches HardwareInterface : sas IncludedComponents : Hard Drive InstallationType : Internal Hard Drive ItemDisplayDimensions_Height : 1 inches ItemDisplayDimensions_Length : 4 inches ItemDisplayDimensions_Width : 3 inches ItemName : Seagate Constellation ES 1 TB 7200RPM 6 Gb/s SAS 64MB Cache 3.5 Inch Internal Bare Drive (ST1000NM0001) ItemPackageDimensions_Height : 13.97 centimeters ItemPackageDimensions_Length : 24.892 centimeters ItemPackageDimensions_Width : 22.098 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : computer-internal-hard-drives Manufacturer : Seagate Material : Sas MemoryStorageCapacity : 1 TB ModelName : Constellation ES ModelNumber : ST1000NM0001 NumberOfItems : 1 PartNumber : ST1000NM0001 ProductDescription : HP 529FG 4.0TB 7.2K ENT SAS 3.5 6GBPs Hard Drive ProductSiteLaunchDate : 2011-05-17T13:23:21.945Z ReadSpeed : 147 megabytes_per_second Size : 1 TB Size1 : 250 GB Size2 : 4 TB SpecificUsesForProduct : Personal SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 43201800 WarrantyDescription : 5 year limited warranty Wattage : 6.97 watts WriteSpeed : [EST] Several MB/s