T550-4GB i7-1255U 16 G9 / 512GB PCIe NVMe Value / 16GB (1x16GB) DDR5 4800 SODIMM Memory / W11p64DongradeWin10p64 / 16"diagonal WUXGA Bent, anti-glare UWVA, 250 nits/ WLAN Intel AX211 Wi-Fi 6E 160 MHz BT 5.3 WLAN / 3yw/Clickpad num kypd spill-resistant Premium Keyboard/Fingerprint Sensor/Active Smart Card