Hypertec 7X77A01303-HY memoria 16 GB 1 x 16 GB DDR4 2666 MHz Data Integrity Check [verifica integrità dati] (A Lenovo equivalent 16 GB Dual rank x8- registered ECC DDR4 SDRAM - DIMM 288-pin 2666 MHz [PC4-21300] NOTE: This memory meets the memory specification requirements for reliable operation within a Lenovo Server but is not TruDDR4 [1Year warranty])