QNAP 2GB 204-Pin DDR3 SO-DIMM DDR3 1333 (PC3 10600) Laptop Memory Model RAM-2GDR3-SO-1333 Buffered/Registered: Unbuffered Features: QNAP TS-269 Pro, TS-269 Pro Turbo NAS, TS-459 Pro II Turbo NAS, TS-469 Pro Turbo NAS, TS-469U-RP Turbo NAS, TS-559 Pro II Turbo NAS, TS-569 Pro Turbo NAS, TS-659 Pro II Turbo NAS, TS-669 PRO, TS-669 Pro Turbo NAS, TS-869 Pro Turbo NAS, TS-869U-RP Turbo NAS