Configured for Microsoft Windows 11 Pro x64 and 64 GB RAM, this factory upgrade selects the highest listed memory capacity for the Getac B360 G3 platform. It also carries TAA compliance. This is an upgrade ordered with a configured B360 unit, rather than a standalone computer or accessory for later installation. The B360 platform supplies a 13.3 in FHD (1920 x 1080) LumiBond capacitive multi-touch display rated at 1,400 nits, with sunlight-readable technology. It is MIL-STD-810H, IP66, and MIL-STD-461G certified, with vibration and 6 ft (1.8 m) drop resistance. Standard connectivity includes Wi-Fi 7, Bluetooth v5.4, Gigabit Ethernet, Thunderbolt 4, HDMI 2.0, USB ports, and a docking connector. Specify this memory and operating-system upgrade for B360 deployments supporting ambulance, fire and rescue, policing, smart meter work, utility asset management, industrial programming, compliance inspections, inventory management, and plant monitoring. Ordering code B360G3GSA-U18 configures the Windows 11 Pro x64, 64 GB RAM, and TAA-compliant upgrade for the B360.