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Timetec DDR3-1866L 4GB Replacement for Synology D3NS1866L-4G Non-ECC Unbuffered SODIMM DDR3L 1866Mhz PC3L-14900 1.35V Memory RAM (Compatible for DS620slim, DS218+, DS718+, DS918+, DS418play) at Amazon.com
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A-Tech 4GB RAM Replacement for Synology D3NS1866L-4G | DDR3/DDR3L 1866 MHz PC3L-14900 SODIMM Non-ECC Unbuffered Memory Compatible for DS620slim, DS918+, DS718+, DS418play, DS218+ at Amazon.com
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Synology Disk Station DS218+ - NAS server - 2 bays - SATA 6Gb/s / eSATA 6Gb/s - RAID RAID 0, 1, JBOD - RAM 2 GB - Gigabit Ethernet - iSCSI support - Walmart.com
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