G-DRIVE 18TB SDPH91G-018T-MBAAD Features: High-capacity and fast data transfers USB Power Delivery to charge while you back up Ultrastar™ Enterprise-class Hard Drive Inside Premium, All-aluminum Enclosure Mac ready, Apple Time Machine compatible 3-year limited warranty Specifications: Capacity 18 TB Interface USB 3.2 Gen 1 Compatibility macOS 10.12+ Windows 10+ (via reformat) Dimensions (L x W x H) 196.09mm x 128.52mm x 35.31mm In The Box G-DRIVE™ External Hard Drive AC power adapter Power cable USB-C to USB-C Cable USB-C to USB-A Cable (backwards compatibility USB 3.1, 3.0, 2.0) Quick Start Guide