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2GB AM-RAM-2GDR3L-SO-1600 204-Pin DDR3L-1600 PC3L-12800 So-dimm RAM |Memory for Qnap
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Synology RAM DDR3L-1866 SO-DIMM 4GB - Newegg.com
PC3-14900 (DDR3-1866) Bus Speed SO-DIMM Computer Memory (RAM) 16 GB Capacity per Module for sale | eBay
Synology DDR3 RAM « Blog | lesterchan.net
Amazon.com: A-Tech 4GB Module for QNAP ES1640dc Series NAS Servers - DDR3/DDR3L 1866MHz PC3-14900 Non-ECC SODIMM 1.35V Memory RAM (Replacement for QNAP RAM-4GDR3LA0-SO-1866) : מוצרי חשמל