Specifically designed for use in NAS systems with up to 8 bays Tested for 24x7 reliability. Date on item is manufacturing date. NASware firmware for compatibility. WD Red NAS hard drives are recommended for use in home and small office 1-8 bay NAS systems. For systems that use more than 8 bays please consider WD Red Pro hard drives 3-year limited warranty Small and home office NAS systems in a 24x7 enviornment Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary. Ships in WD-certified box for safe transit during shipping Capacity: 3 TB Rotational Speed (RPM): IntelliPower Microsoft operating systems prior to Vista, 32-bit operating systems, and Mac systems prior to OSX 10.4 may not support volumes greater than 2TB. To recognize the full capacity of this drive, you may need multiple partitions. Check with the manufacturer to verify your system's compatibility. Interface: SATA3 Data Transfer Rate: 6 Gb/s Buffer to Host (max); 145 MB/s Host to/from drive (typical) Form Factor: 3.5 inch Read/Write: 4.4 Watts Standby: 0.6 Watt
^ (2012). 3 TB WD SATA III Intellipower 64 MB Cache Desktop Hard Drive, Western Digital. UPC 718037799674 (revised Nov 2015)
^Western Digital Red 3 TB,Internal,5400 RPM,3.5" (WD30EFRX) Hard DriveUPC 718037799674 (revised Sep 2019)
^Wd Wd30efrx Red 3tb Nas Desktop Hard Disk Drive - Intellipower Sata 6 Gb/s 64mb Cache 3.5 Inch, WD. PCMall. UPC 718037799674 (revised Aug 2018)
^Western Digital Red Wd30efrx 3 Tb 3.5-inch Internal Hard Drive - Serial Ata-600, Western Digital. TechForLess. UPC 718037799674 (revised Jun 2018)
^WD Red 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30EFRX, Western Digital. Amazon. UPC 718037799674 (revised May 2018)