2GB KIT (2 x 1GB) For Toshiba Toshiba Satellite M45-S351 M45-S3511 M45-S355 M45-S3551 M45-S3552 M45-S3553 M45-S359 M45-S3591 M45-SP351 M45-SP355 M45X-S165 M45X-S1651 M50 (DDR) M50-04N01N M50-0TG01D M50-0TJ01E M50-0YU01N M50-101 M50-105 M50-106 M50-109 M50-115 M50-122 M50-126 M50-130 M50-137 M50-138 M50-141 M50-142 M50-143 M50-148 M50-156 M50-157 M50-159 M50-161 M50-164 M50-170 M50-176. SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Toshiba Satellite. (See Compatibility List Below)