384GB (6x64GB) DDR4 2666MHz ECC | Server RAM Modules
Intel Server System P4308GP2MHGC Barebone System 4U Rack mountable Socket B2 LGA 1356 2 x Processor Support 384 GB DDR3 SDRAM DDR3 1600PC3 12800 Maximum RAM Support Serial ATA600 RAID Supported Controller