M378T6464AZ3-CD5 – Samsung Memory Module 512MB PC2-4200 DDR2-533MHz non-ECC Unbuffered, CL4, 240-Pin, Single Rank Brand : Samsung Weight : 533 MHz Memory Capacity : 512 MB Memory Technology : DDR2 SDRAM Product Voltage : 1.8V RAM Standard : DDR2-533/PC2-4200 Error Identifying : Non-ECC Signal Type : Unbuffered Column Access Strobe (CAS) : CL4 Rank : Single Rank x16 Quantity of Pins : 240-pin RAM Genre : UDIMM Eco Friendly : Yes Compliance Standards : EU RoHS,FCC Assembly Required : Yes