BuyBatts 2GB RAM Memory Fits Acer Aspire AST180-US340B, L460-220B, M5100, AST180-UA350B, AST180-UA380A, X1200 (AX1200-XXXXXXX), AST180-SS320M, AM1201-ED5000A, M3610, AST180-UD381A Desktop (2GB DDR2-800 PC2-6400 240-pin UDIMM) Chipset: 2Rx8 16c 1.80V CL6 Item Type: DDR2-800 PC2-6400 (non-ECC) Form Factor: 240-pin UDIMM Capacity: 2GB