Specification BatteryContainsFreeUnabsorbedLiquid : 1 BatteryInstallationDeviceType : installed_in_equipment Brand : WD BulletPoint1 : This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com BulletPoint2 : Compatibility : Windows, Windows Server, Linux, and Mac OS BulletPoint3 : Designed for 24x7x365 reliability at workloads up to 550TB per year BulletPoint4 : High level of reliability with up to 2.5 million hours MTBF. Compatibility: Windows, Windows Server, Linux, and Mac OS BulletPoint5 : Performance-optimized for heavy application workloads Capacity : 5.3 cubic_feet Color : Gold CompatibleDevices : Desktop Configuration : Standard ConnectivityTechnology : SATA ContainsBatteryOrCell : battery CustomerPackageType : Standard Packaging DataTransferRate : 750 megabytes_per_second DigitalStorageCapacity : 4000 GB Edition : Standard Edition ExternallyAssignedProductIdentifier1 : 034722696210 ExternallyAssignedProductIdentifier2 : 786513830449 ExternallyAssignedProductIdentifier3 : 0034722696210 ExternallyAssignedProductIdentifier4 : 0786513830449 FormFactor : 3.5-inch GpsrSafetyAttestation : 1 HardDiskFormFactor : 3.5 inches HardwareInterface : sata_6_0_gb HardwarePlatform : PC IncludedComponents : Hard Drive InstallationType : Internal Hard Drive ItemDisplayDimensions_Height : 1 inches ItemDisplayDimensions_Length : 5 inches ItemDisplayDimensions_Width : 6 inches ItemName : WD Gold 4TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD4002FYYZ (Renewed) ItemPackageDimensions_Height : 22.352 centimeters ItemPackageDimensions_Length : 7.366 centimeters ItemPackageDimensions_Width : 15.494 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : computer-internal-hard-drives Manufacturer : Western Digital Bare Drives Material : Plastic MemoryStorageCapacity : 4 TB ModelName : WD4002FYYZ ModelNumber : WD4002FYYZ-cr NonLithiumBatteryPackaging : batteries_contained_in_equipment NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 4 PackageLevel : unit PartNumber : WD4002FYYZ-cr Platform : not_machine_specific ProductDescription : This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee. ProductSiteLaunchDate : 2018-12-05T00:55:53.406Z ReadSpeed : 2427 megabytes_per_second Size : 4TB SpecificUsesForProduct : storage Style : MB Pro/Air SSD upgrade kit SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 43201800 WarrantyDescription : 90 days limited warranty Wattage : 1 WriteSpeed : 234 MB/s