Garmin Descent X50i Premium Dive Computer The Garmin Descent X50i is a premium large-format dive computer built for serious recreational, technical, and team diving. With a bright 3" color touchscreen, sapphire lens, leakproof buttons, integrated backup dive light, and advanced air-integration capability, it gives divers a highly readable command center for planning, monitoring, and reviewing dives. Designed for demanding underwater use, the Descent X50i supports multiple dive modes, surface GPS, DiveView color maps, dynamic depth charting, and SubWave sonar networking when paired with compatible Garmin Descent T2 transceivers. It is built to help divers track critical information clearly while improving communication, awareness, and post-dive logging. Why It Works Large 3" color touchscreen makes dive data easier to read at a glance. Sapphire lens and leakproof buttons provide durability for serious dive environments. SubWave sonar networking supports diver-to-diver preset messaging and team awareness when used with compatible gear. Air integration allows tank pressure monitoring when paired with Garmin Descent T2 transceivers. Integrated backup dive light adds extra visibility and peace of mind underwater. Surface GPS helps track entry and exit points and navigate to dive sites from the surface. Perfect For The Garmin Descent X50i is ideal for advanced recreational divers, technical divers, instructors, dive teams, and anyone who wants a larger-screen dive computer with premium mapping, air integration, sonar communication, and rugged underwater construction. Features 3" color touchscreen display Sapphire crystal lens Leakproof inductive buttons Integrated backup dive light Surface GPS and navigation Preloaded DiveView color maps with bathymetric depth contours for 4,000+ dive sites Dynamic depth chart for dive profile and decompression awareness SubWave sonar networking for compatible diver-to-diver communication Air integration with compatible Garmin Descent T2 transceivers Tank pressure, depth, and distance monitoring for compatible connected divers Multiple dive modes including single-gas, multi-gas, gauge, apnea, nitrox, trimix, and CCR Bühlmann ZHL-16c algorithm with customizable gradient factors Automatic dive log uploads to the Garmin Dive app Bluetooth, ANT+, Wi-Fi, and SubWave connectivity 32 GB memory Adjustable elastic nylon dive bands Technical Details Brand: Garmin Model: Descent X50i Product Type: Premium dive computer Display Size: 3" diagonal Display Resolution: 640 x 360 pixels RGB Lens Material: Sapphire crystal Case Material: Fiber-reinforced polymer Water Rating: Dive rated to 200 meters Dimensions: 62.4 x 98.3 x 24.5 mm Weight: 253 g without bands; 280 g with nylon band and buckle Charging Method: Garmin proprietary clip charger Connectivity: Bluetooth, ANT+, Wi-Fi, SubWave Compatible Transceiver: Garmin Descent T2, sold separately unless bundled Battery Life Mode Battery Life Dive Mode - High Brightness Up to 13 hours Dive Mode - Medium Brightness Up to 16 hours Dive Mode - Night Dive Up to 20 hours Spec Chart Spec Detail Display 3" color touchscreen Resolution 640 x 360 pixels RGB Depth Rating 200 meters Algorithm Bühlmann ZHL-16c with customizable gradient factors Dive Modes Single-gas, multi-gas, nitrox, trimix, CCR, gauge, apnea Air Integration Compatible with Garmin Descent T2 transceivers Maps Preloaded DiveView maps with 4,000+ dive sites Memory 32 GB Important Safety Note The diving features of this device are intended for certified divers only. A dive computer should not replace proper training, dive planning, backup instruments, or safe diving practices. How It Compares Compared to smaller wrist-style dive computers, the Descent X50i offers a larger, easier-to-read display and more advanced team-diving features. Compared to basic dive computers, it adds premium mapping, SubWave sonar networking, air integration compatibility, GPS surface navigation, and an integrated backup dive light. Bottom Line: The Garmin Descent X50i is a premium large-screen dive computer built for divers who want advanced mapping, air integration, sonar communication, rugged construction, and clear dive data in a powerful underwater platform.
