CMS - 4GB (1x4GB) Memory Upgrade 4 Panasonic Toughbook 31 Mk1 CF-31, 52 Mk3 CF-52 (DDR3-8500)

CMS 4GB DDR3 SDRAM Memory Module - 4 GB (1 x 4 GB) - DDR3 SDRAM - 204-pin SoDIMM CMS 4GB DDR3 SDRAM Memory Module - 4 GB (1 x 4 GB) - DDR3 SDRAM - 204-pin SoDIMM