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8GB 2 X 4GB Memory Compatible for Lenovo ThinkPad T400, T400s, T410, T410i, T410s, T410si, T500, T510, T510i Laptop - DDR3 SODIMM 1066MHz PC3-8500 204 pin RAM (PARTS-QUICK Brand) at Amazon.com
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8GB (4GBx2) Team High Performance Memory RAM Upgrade For Lenovo ThinkPad R400 Series R500 Series Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
![Memory RAM | 2GB - Lenovo ThinkPad R400 R-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V Memory RAM | 2GB - Lenovo ThinkPad R400 R-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V](https://www.compuram.biz/bilder/produkte/ram/ddr3_so-dimm-f2.jpg)
Memory RAM | 2GB - Lenovo ThinkPad R400 R-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V
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![With the help of 2 redditors, I managed to restore a ThinkPad R400 to its former glory! : r/thinkpad With the help of 2 redditors, I managed to restore a ThinkPad R400 to its former glory! : r/thinkpad](https://preview.redd.it/6h5z5486l4791.jpg?width=640&crop=smart&auto=webp&s=d89e738155e78d17bd78a66687193e16e6a22c8d)
With the help of 2 redditors, I managed to restore a ThinkPad R400 to its former glory! : r/thinkpad
![T400 + X9100 3.06GHz + 6 gigs of RAM + SSD = One fast ThinkPad. Link for more photos in the comments. : r/thinkpad T400 + X9100 3.06GHz + 6 gigs of RAM + SSD = One fast ThinkPad. Link for more photos in the comments. : r/thinkpad](https://i.redd.it/cwv5a24w4a0z.jpg)
T400 + X9100 3.06GHz + 6 gigs of RAM + SSD = One fast ThinkPad. Link for more photos in the comments. : r/thinkpad
![Memory RAM | 2GB - Lenovo ThinkPad R400 R-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V Memory RAM | 2GB - Lenovo ThinkPad R400 R-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V](https://www.compuram.biz/bilder/produkte/ram/ddr3_so-dimm-p2.jpg)
Memory RAM | 2GB - Lenovo ThinkPad R400 R-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V
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