40.0TB OWC Gemini Thunderbolt (USB-C) Dock and Dual-Drive HDD RAID External Storage Solution, External Drive with 2 x Thunderbolt ports (USB-C), 2 x USB 3.2 Gen 2 ports, 2.5Gigabit Ethernet port, HDMI

Device Ports: (1) Host Port - Thunderbolt 3 (USB-C) up to 40 Gb/s (5000 MB/s), (1) Thunderbolt 3 (USB-C) Port, (2) USB 3.2 Gen 2 Type-A Ports up to 10Gb/s (1250MB/s) - USB 2.0 / 3.0 backwards compatible, (1) HDMI Port, (1) 2.5 Gigabit Ethernet ( 2.5G bE) RJ-45 Port, (1) SD 4.0 /UHS-II Media Slot;
Host Port Requirements: Thunderbolt (USB-C) port (backward compatible with Thunderbolt 2/Thunderbolt)

Data Rate: Up to 40 Gb/s;
Data Transfer Rate (Max): Up to 40 Gb/s (or 5000 MB/s) Thunderbolt 3, Up to 10 Gb/s (or 1250 MB/s) USB 3.2 Gen 2; Number of
Bays: 2;
Mechanisms Supported: 2.5 inch and 3.5 inch SATA drives, 2.5 inch and 3.5 inch U. 2 drives, NVMe M. 2 drives (via U. 2 adapter);
RAID Features: Hardware RAID, Software RAID Capable;
RAID Levels Supported: SPAN, RAID 0, RAID 1, JBOD;
Power Delivery: Provides up to 27 watts of power via Thunderbolt 3 to charge or reduce device battery draw

HDMI port for connecting up to an 8K display; Display Support by
Port: Thunderbolt 3 (Titan
Ridge): Up to 8K @ 60Hz or 4K @ 120Hz via a native Thunderbolt 3 display or other display that supports USB-C connections and DisplayPort 1.4, HDMI
2.1: Up to 8K @ 120Hz

Frontside SD 4.0 /UHS-II media slot for easy camera uploads;
Innergize enabled: a complete health, performance, and field update management tool when using OWC Atlas SD memory cards with Geminis SD reader

Backwards compatible with Thunderbolt 2/Thunderbolt equipped Mac; 3 Year OWC Limited Warranty; 7 Ports of connectivity; Flexible storage options with two bays for 2.5 -inch or 3.5 -inch drives; Hardware RAID options for RAID 0 or 1, span, JBOD (Independent); 2.5G bE for transferring files up to 2.5 x faster than standard Ethernet; Second Thunderbolt port for daisy-chaining, adding a USB-C device, additional display, or charging Thunderbolt (USB-C) devices; Front panel LEDs for instant drive status