Get it by Sunday October 1st by choosing the expedited option during checkout.
Extensively tested for compatibility with top NAS manufacturers.
Engineered for 24/7 operation and reliability.
WD NASWare technology enables seamless integration with balanced performance.
3 year limited warranty.
Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.
Western Digital Red WD40EFRX 4 TB 3.5" Internal Hard Drive WD40EFRX Hard Drives - Internal