HP EliteBook 1040 G9 i7 1255U Notebook 35.6 cm (14") WUXGA Intel Core i7 16 GB DDR5 SDRAM 512 GB SSD Wi Fi 6 (802.11ax) Windows 11 Pro Silve Total input capacity___300 sheets Quick Release Head strap Quick Release Head strap The robust 7 GHz Processor cores 10 Processor threads 12 Processor manufacturer Intel Processor family Intel Core i7 Memory ECC No Memory form factor SO DIMM Internal memory 16 GB Memory layout (slots x size) 2 x 8 GB Internal memory type DDR5 SDRAM Memory clock speed 4800 MHz Memory slots 2x SO DIMM Maximum internal memory 64 GB Number of free internal memory expansion slots 2 Non ECC Yes Storage SSD form factor M Operating System: Windows 11 Pro