WD | Server NAS Storage 3.5 Inch 4TB

Our store only makes hard drives, so you can rest assured because of our professionalism! Basic parameters of the hard disk: Hard drive brand: wd western digital Enterprise nas red disk ） Hard drive model: wd40efrx/64m Wd40efzx/128m/plus Wd40 efpx/256m/plus Wd40efax/256m/plus Hard drive type: Desktop computer hard drive/enterprise storage/server level/monitoring level/nas storage Hard drive size: 3.5inch Hard drive capacity: 4t (the actual available capacity of any 1g hard drive on the computer is 0.93g) Hard drive speed: 5400 rpm Hard disk cache: 256m cache Hard drive interface: sata serial port (sata1, sata2, and sata3 are universally compatible). After-sales service: 7-day return, one-year warranty (please consult online for longer warranty service). Reference diagram (for reference only, the actual product shall prevail) Our store's disclaimer (please read carefully. by placing an order, you acknowledge and agree to the following disclaimer): 1. customers who leave a 5-star review and a follow-up comment will have their service upgraded to priority status (based on the aliwangwang screenshot). 2. all products in our store are genuine and of high quality. new and returning customers can purchase directly with confidence. everything is in stock and ready to ship, and we'll arrange dispatch as quickly as possible. 3. if the product you purchased is temporarily out of stock, in order to ensure that the buyer receives the goods as soon as possible, we will replace it with a product with the same value or higher than the product currently purchased by the buyer without notifying the buyer (such as replacing other hard disk boxes or replacing a higher speed or larger capacity hard drive) to protect the buyer's interests. 4. while we're just as eager as you are to avoid any product issues, the nature of electronics means quality problems aren't always visible at first glance. plus, there's always the risk involved with shipping. aside from sending the wrong item, we offer a 50/50 split on return shipping costs for any other issues (meaning the buyer pays for shipping to us, and we cover the cost to ship the replacement back to them). if you're concerned, you can opt for return shipping insurance before making your purchase. we do not accept any packages or deliveries with collect on delivery (cod) shipping fees. 5. we offer a 7-day no-questions-asked return policy. however, returns will be rejected if the product has no quality issues but is in a condition that affects resale. this includes situations such as missing product packaging, opened static bags for hard drives, hard drives that have been used in a computer, cosmetic wear and tear, scratches, damage caused by the customer, physical damage, damage from drops, or obvious circuit board burn damage. 6. product images and information in the product attributes are for reference only. please refer to the actual product or contact us via wangwang chat for specific details.