49Y3778-HY - Hypertec - DDR3 - module

8 GB - DIMM 240-pin - 1333 MHz / PC3-10600 - 1.35 V - registered - ECC - for Lenovo System x3300 M4; x3400 M3; x3500 M3; x3550 M3; x3620 M3; x3650 M3