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A-Tech 16GB Replacement for HP 1XD85AT - DDR4 2666MHz PC4-21300 ECC Registered RDIMM 1Rx4 1.2V - Single Server Memory RAM Stick (1XD85AT-ATC) at Amazon.com
New DDR4 16GB 2666Mhz PC4-21300 SODimm Laptop RAM Memory