Glyph Atom SSD 250GB Black (External USB-C, USB 3.0, Thunderbolt 3) A250BLK Portable Bus-Powered External Solid State Drive Lightning Fast Data Transfer Speeds Up to 560 MB/s Rugged Shock Resistant Non-Slip Cover Formatted For Mac, Simple Reformat for Windows. Available in Silver and Black Colors All aluminum enclosure Rugged bumper protection Bus-powered freedom Fits in your pocket Reversible USB-C (3.1, Gen2) connector Disk health monitoring Atom External SSD USB-C to USB-C (3.1) Cable USB-C to USB 3.0 Cable Rugged sleeve Grey Gold Silver Black 250GB 500GB 1TB 2TB MAC OS X 10.4+ Windows Vista+ USB-C(3.1, Gen2) (Compatible with USB 3.0) (Compatible with Thunderbolt 3) 1.8&#034; x 4.75 x 0.5 46 x 121 x 13 mm