Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD – 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5″ -WD40EFPX

About this item Available in capacities ranging from 1-14TB(1) with support for up to 8 bays | (1) 1MB = 1 million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.Specific uses: NAS,Business Supports up to 180 TB/yr workload rate(2) | (2) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. NASware firmware for compatibility Built for small or medium business NAS systems in a 24/7 environment 3-year limited warranty(3) | (3) MTBF specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40°C. Derating of MTBF will occur above these parameters, up to 65°C drive temperature. MTBF does not predict an individual drive’s reliability and does not constitute a warranty. Not all products may be available in all regions of the world. Product information Technical Details Collapse all Summary Hard Drive ‎4 TB Mechanical Hard Disk Other Technical Details Brand ‎Western Digital Series ‎Red Plus Item model number ‎WD40EFPX Item Weight ‎1.26 pounds Product Dimensions ‎5.79 x 4 x 1.03 inches Item Dimensions LxWxH ‎5.79 x 4 x 1.03 inches Color ‎Red Hard Drive Interface ‎Serial ATA-600 Hard Drive Rotational Speed ‎5400 RPM Voltage ‎1 Volts Manufacturer ‎Western Digital Technologies, Inc. ASIN ‎B0BDXSK2K7 Country of Origin ‎Thailand Date First Available ‎September 14, 2022 Additional Information Customer Reviews 4.4 4.4 out of 5 stars 4,969 ratings 4.4 out of 5 stars Best Sellers Rank #14 in Internal Hard Drives Warranty & Support Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is “dead on arrival,” arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test “dead on arrival” returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor. Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service. Feedback Would you like to tell us about a lower price?