1GB DDR2 Memory Upgrade 4 Toshiba A135-0E902E, A135-S2246, A135-S2256, A135-S2266, A135-S2276, A135-S2286, A135-S2296, A135-S2306, A135-S2326, A135-S2336, A135-S2346, A135-S2356, A135-S2376, A135-S2386, A135-S2396, A135-S2426, A135-SP4116 Technology: DDR2 SDRAM DENSITY: 1GB PIN COUNT: 200-pin Speed: PC2-4200 533MHz CL: CL=4