SAMSUNG 4GB RAM PC3-10600 DDR3 1333MHz 1RX4 ECC M393B5270CH0-CH9, 595424-001, 593339-B21, 591750-071, 591750-371. Model: SAMSUNG 4GB RAM PC3-10600 DDR3 1333MHz 1RX4 ECC M393B5270CH0-CH9.
eBay