48GB (3X 16GB) Matched Pair 1333MHz 240-Pin SDRAM DIMM DDR3 (PC10600) Memory Upgrade Kit for PC Desktops, Mac Pro 'Nehalem' & 'Westmere' (OWC1333D3X9M048) at Amazon.com
HP Z800 Workstation PC Tower w/ Xeon-X5680 3.33GHz 48GB RAM 450GB SSD *NO OS* – Universal Education
32GB update to 48Gb ram bad idea ?! Good Idea ?! | TechPowerUp Forums
48GB (3X 16GB) Matched Pair 1333MHz 240-Pin SDRAM DIMM DDR3 (PC10600) Memory Upgrade Kit for PC Desktops, Mac Pro 'Nehalem' & 'Westmere' (OWC1333D3X9M048) at Amazon.com
G.Skill's Blazing-Fast 48GB DDR5-8000 Memory Kit Is Here To Supercharge Your Gaming PC | HotHardware
RAM G.Skill Trident Z5 RGB 48GB - Memory | PC RAM - PC components - Computers | Baltic Data