Western Digital WD My Cloud EX4 four-bay network-attached storage enclosure.

• Model: WD My Cloud EX4
• MPN: WDBWWD0000NBK
• Four 3.5-inch drive bays
• Diskless configuration — 0TB
• No hard drives included
• Powers on successfully
• Front LCD illuminates and displays properly at startup
• Includes APD DA-90C19 19V 4.74A power adapter and AC power cord
• Approximately 6.30" W × 8.21" H × 8.67" D
• Approximately 7.2 lb without drives
• Two Gigabit Ethernet ports
• Two USB 3.0 ports
• Supports RAID configurations when equipped with compatible drives

Testing was limited to powering on the enclosure because no hard drives were available. The individual drive bays, RAID functions, Ethernet connections, USB ports and complete network operation have not been tested.

Important compatibility notice: This is a legacy My Cloud OS 3 device. Western Digital has ended OS 3 support, security updates and WD-provided remote access. It should be purchased for knowledgeable legacy or local-network use. Buyer is responsible for confirming compatibility with the intended drives, network and operating environment.

Only the NAS enclosure, four drive trays, APD power adapter and AC power cord shown are included. No hard drives, Ethernet cable, manuals or other accessories are included.

Please review the photographs carefully for cosmetic condition and included items.