The Samsung M393B5270CH0-CH9 is available from Calhoun Technologies. Calhoun Technologies can help your company save up to 80% on IT Hardware. Manufacturer: Samsung Part Number: M393B5270CH0-CH9 Details: Samsung M393B5270CH0-CH9 4Gb 1333Mhz Pc3-10600 Cl9 Ecc Registered Single Rank Ddr3 Sdram 240-Pin Dimm Samsung Memory Module