The Western Digital SDPH51J-018T-NBAAD is an 18TB SanDisk G-Drive Pro in space grey, featuring Thunderbolt 3 and USB-C connectivity. This enterprise-class drive is equipped with a 7200RPM Ultrastar internal drive and offers dual Thunderbolt 3 ports supporting up to 20Gbps, alongside a USB-C port with USB 3.2 Gen 1 compatibility. It supports daisy-chaining for up to five additional devices and includes a 5-year limited warranty.