OWC 4GB DDR3L PC3L-12800 1600MHz NON-ECC. Watch our OWC Basic Installation Video for Help. Compatibility HP 255 G3. Capacity 4GB Form Factor 204-PIN SODIMM. COMPATIBLE PART NUMBERS: HP 687515-352, 691740-001, 863491-001, H6Y75AA, P2N46AA.
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