Acer TravelMate 8100 compatible 1GB 533MHz DDR2 SO-DIMM Black Diamond memory. Compatible computer model: Acer TravelMate 2423, 2451WLCi, 6500 Series, 4150, 2490 2492, 2450 2451, 3290 3293, 8210 8216, 3212WXMi, 5610 5614, 2483, 6410 6413, 2413NLMi, 2440, 4070, 6410 Series, 4100, 3230 3232, 2484wxmi, 3270 3273, 4020 4021, 4730 TM4730-xxx, 4650, 5100, 2491LCi, 2410, 2441WXMi, 5310 Series, 4600 (DDR2 ONLY), 2480, 2420, 2440 2441, C210 Series, 4060, 8100, 3010 3012, 5620 5625, 4021WLMi, 2428AWXMi, 4200, 2480 2482, 3220 3222, 3040 3043. Black Diamond Memory offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Black Diamond Memory is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Black Diamond memory chip, you can count on it being the best available memory for your system. Our system specific Branded Memory line delivers in performance, and is designed to be guaranteed in compatibility with your system. Each of our memory chips come with a lifetime warranty for your peace of mind. Use our Upgrade Configurator to easily find the correct memory module for your system. Please keep in mind that this memory will ONLY work on the models listed above. 15% Restocking fee will apply for non-defective items.