OWC 16GB DDR4 PC4-17000 2133MHz NON-ECC. Watch our OWC Basic Installation Video for Help. Compatibility Dell OptiPlex 7040 SFF. Dell OptiPlex 7040 Tower. Capacity 16GB Form Factor 288-PIN DIMM. COMPATIBLE PART NUMBERS: Dell 370-ACDU, A8661094, A8781360, A9652457, AA133380, SNPV51K2C/16G.
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