Compatibility HP ProDesk 400 G2.5 SFF. OWC 4GB DDR3L PC3L-12800 1600MHz NON-ECC. Watch our OWC Basic Installation Video for Help. Capacity 4GB Form Factor 240-PIN DIMM. COMPATIBLE PART NUMBERS: HP 688601-001, 689375-001, 698651-154, B1S54AA, B4U37AA.
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