1piece Western Digital 3.5″ SATA 4TB Hard Drive Item specifics: Brand: Western DigitalModel: WD40PURXCapacity: 4 TBInterface: SATA IIISpindle Speed: 5400 RPMBuffer Memory: 64 MBForm Factor: 3.5 inches DesktopWarranty: 1 year warrantyPackaging: Antistatic Bag Package include:1x 4TB Hard Drive Notice:All hdd hard drive ,we test before sending.All Item is not pre-formatted and pre-loaded with any operating system.Item needs to be initialized first and then create partitions, only after which the Operating System can be installed to use the Hard Drive to its full capacity.If you use USB External, Item needs to be initialized first and then create partitions.My Laptop –Right click–manage–hard drive manage. Buyer question:That it will be exactly like the photo.It needs to be what is in the photo. Answer:The photo for reference only. It is different for different batches and different origins.Because We don’t have more time to update. Thank you for your understanding.If you request Date,SN, Firewire, Please let me know.If you have any question, please feel free to let me know. My dear friend:Thank you for your visiting to my store.We are always trying to offer customer our best service and high quality products.Thanks for your supports and trusts on us. Your satisfaction is our first priority!Payment Shipping and Handling: Your order confirmed, We will arrange your order within 1~2 business days and let you know tracking information.?Except holidays?We process and ship orders Monday thru Friday. Weekend orders will ship the following week.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.Return Policy:If the product have any questions, Returned items Must have all Original packaging with the complete content. We will refund you after the item reception. Shing and insurance charge is non-refundable for returned items.This item by us carry a Full One-Year Manufacturer Warranty. The return shipping cost from your country to China is paid by buyer while the return shipping cost from China back to your country is paid by us. Service & Feedback: We are a company based and willing to provide our faithful and professional service for you.We bring you high quality products and promise all items are brand new and well checked carefully before dispatch.In very rare cases of the buyer being unhappy with their purchase, please contact with us for exchange or Refund. Negative feedback is not the last way to resolve any problem. please give us the opportunity, We believe we can solve through an amicable negotiation.Don’t open a case! We hope your understanding.Thank you!You are warmly welcome to my store next time.