SNP12C23C16G DELL HYNIX MODULO DE MEMORIA 16GB DDR3 SDRAM 1866 MHZ ECC RDIMM 1.5V CL13 240 PINOS PC3-14900R POWEREDGE T620 012C23 A7187318 HMT42GR7BFR4C SNP12C23C16G