OEM, Infineon SO-DIMM Memory Module HYS64D32020HDL-6-C , 256MB, DDR,333Mhz,CL2.5, PC2700S-2533-0-A1, C5E51235, KN2560201251712218EM00,200 pin, USED, Tested and check in ACER computer before removal and is in excellent condition, As Pictured stk#(2705)A13,B4