A-Tech 1GB Module for QNAP TS-x69 Pro x69L x69U TS-x59 Pro II Series NAS Servers - DDR3 1333MHz PC3-10600 Non-ECC SODIMM 1.5V Memory RAM (Replacement for QNAP RAM-1GDR3-SO-1333) at Amazon.com
1gb Ddr2 667mhz Pc2 5300 Laptop Pc Dimm 200-pin Non Ecc Memory Ram - Rams - AliExpress
A-Tech 1GB Module for QNAP TS-x69 Pro x69L x69U TS-x59 Pro II Series NAS Servers - DDR3 1333MHz PC3-10600 Non-ECC SODIMM 1.5V Memory RAM (Replacement for QNAP RAM-1GDR3-SO-1333) at Amazon.com