OFFTEK 4GB Replacement Memory RAM Upgrade for Alienware X51 R2 (DDR3-12800 - Non-ECC) Desktop Memory at Amazon.com
Best Buy: Alienware X51 R2 Desktop Intel Core i5 8GB Memory 1TB Hard Drive Black AX51R25744BK
4GB Dell Dell Alienware X51 R3 DDR4 2133MHz UDIMM Memory RAM Upgrade | BytecRAM Memory
8GB Memory for Alienware x51 R3 Desktop DDR4 PC4-17000 2133 MHz Non-ECC DIMM (PARTS-QUICK Brand) at Amazon.com
A-Tech 16GB (2 x 8GB) RAM for Alienware X51 R2 | DDR3 1600MHz DIMM PC3-12800 240-Pin Non-ECC UDIMM Memory Upgrade Kit at Amazon.com
Alienware X51 R1/R2/R3 RAM Replacement - iFixit Repair Guide
Alienware X51 R1/R2/R3 RAM Replacement - iFixit Repair Guide
OFFTEK 8GB Replacement Memory RAM Upgrade for Alienware x51 R3 (DDR4-21300 (PC4-2666) - Non-ECC) Desktop Memory at Amazon.com
16GB KIT (2 x 8GB) for Alienware X51 Series R2. DIMM DDR3 Non-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
Alienware Gaming Desktop, Intel Core i3 i3-4130, 6GB RAM, 1TB HD, DVD Writer, Windows 8.1, X51 R2 - Walmart.com
Alienware X51 R2 i5 4460 GTX 1060 6GB 16GB RAM 1TB SATA SSD | eBay
Alienware X51 R3 Intel i7-6700 32GB RAM 1TB SSD 4TB HDD Windows 11 Pro 8GB GPU | eBay
8GB Memory Dell Alienware X51 R3 DDR4 RAM Upgrade | eBay
Best Buy: Alienware X51 R2 Desktop Intel Core i7 16GB Memory 1TB Hard Drive + 256GB Solid State Drive Black AX51R217153BK
Alienware X51 R3 Disassembly RAM SSD Hard Drive Upgrade Repair - YouTube
Alienware X51 R2 – Specs and upgrade options
Best Buy: Alienware X51 Desktop Intel Core i7 8GB Memory 1TB Hard Drive AX51R2-5722BK
Alienware X51-R2 Review | PCMag
Alienware Gaming Desktop, Intel Core i7 i7-4770, 8GB RAM, 1TB HD, Windows 8, X51 - Walmart.com
Alienware X51 RAM Upgrade How-to - YouTube
parts-quick 16GB Memory for Alienware x51 R3 Desktop DDR4 PC4-17000 2133MHz Non-ECC DIMM RAM at Amazon.com
▻ Alienware X51: How to upgrade your PC RAM (Gaming PC Tutorial/ Guide) - YouTube
Dell Alienware X51 Review | 2013 Haswell Model | Digital Trends
