Capacity: 32 GB Memory Type: DDR3 SDRAM - LRDIMM 240-pin Upgrade Type: System specific
IBM - DDR3 - 32 GB - LRDIMM 240-pin - 1866 MHz / PC3-14900 - CL13 - 1.5 V - buffered - ECC - for System x3550 M4 7914; x3650 M4 7915; x3650 M4 HD 5460.