OWC 4GB DDR4 PC4-19200 2400MHz NON-ECC UNBUFFERED DIMM SPECIFICATIONS. ECC Type NON-ECC UNBUFFERED Compatibility QNAP RAM-4GDR4A0-UD-2400. QNAP RAM-4GDR4A1-UD-2400. Watch our OWC Basic Installation Video for Help.
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