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Lenovo ThinkPad W520 4276 - Core i7 2760QM / 2.4 GHz - vPro - Win 7 Pro 64-bit - Quadro 1000M - 8 GB RAM - 500 GB HDD - DVD-Writer - 15.6" 1920 x 1080 (Full HD) - Walmart.com
![4GB Memory RAM for Lenovo ThinkPad W Series W500, W500 (4061B15), W500 (4061B13), W520, W700 204pin PC3-8500 1066MHz DDR3 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com 4GB Memory RAM for Lenovo ThinkPad W Series W500, W500 (4061B15), W500 (4061B13), W520, W700 204pin PC3-8500 1066MHz DDR3 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com](https://c1.neweggimages.com/productimage/nb640/AG80_1_201808292145958624.jpg)
4GB Memory RAM for Lenovo ThinkPad W Series W500, W500 (4061B15), W500 (4061B13), W520, W700 204pin PC3-8500 1066MHz DDR3 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
![Decided it was time to replace my big, bulky, battery hungry W520, as it was starting to fail on me. So, I decided to get a smaller, but loved ThinkPad X230. : Decided it was time to replace my big, bulky, battery hungry W520, as it was starting to fail on me. So, I decided to get a smaller, but loved ThinkPad X230. :](https://i.redd.it/epkf8sqwdl991.jpg)
Decided it was time to replace my big, bulky, battery hungry W520, as it was starting to fail on me. So, I decided to get a smaller, but loved ThinkPad X230. :
![16GB KIT (2 x 8GB) for IBM Lenovo ThinkPad W Series W520. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com 16GB KIT (2 x 8GB) for IBM Lenovo ThinkPad W Series W520. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com](https://m.media-amazon.com/images/I/71z2T6h7ikL._AC_UF894,1000_QL80_.jpg)
16GB KIT (2 x 8GB) for IBM Lenovo ThinkPad W Series W520. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
![Memory RAM | 4GB - Lenovo ThinkPad W520 W-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V Memory RAM | 4GB - Lenovo ThinkPad W520 W-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V](https://www.compuram.biz/bilder/produkte/ram/box_so-dimm_1er-p2.png)
Memory RAM | 4GB - Lenovo ThinkPad W520 W-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V
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A-Tech 8GB Module for Lenovo ThinkPad W520 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS350704B12351X1) at Amazon.com
![Memory RAM | 4GB - Lenovo ThinkPad W520 W-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V Memory RAM | 4GB - Lenovo ThinkPad W520 W-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V](https://www.compuram.biz/bilder/produkte/ram/ddr3_so-dimm-p2.jpg)
Memory RAM | 4GB - Lenovo ThinkPad W520 W-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V
![Lenovo ThinkPad W520 15.6in. (500GB, Intel Core i7 2nd Gen., 2.4GHz, 8GB) Notebook/Laptop - Black - 42763JU for sale online | eBay Lenovo ThinkPad W520 15.6in. (500GB, Intel Core i7 2nd Gen., 2.4GHz, 8GB) Notebook/Laptop - Black - 42763JU for sale online | eBay](https://i.ebayimg.com/images/g/k5UAAOSwwG1kvb8c/s-l1600.jpg)