Hypertec UC-A02-M304GB2-L-HY [Legacy] memoria 4 GB DDR3 1333 MHz Data Integrity Check [verifica integrità dati] (A Hypertec Legacy Cisco equivalent 4 GB Single rank- Low Voltage - registered ECC DDR3 SDRAM - DIMM 240-pin 1333 MHz [ PC3-10600 ] Note - Hypertec CISCO equivalent memory is functionally equivalent to the CISCO product- but may demonstrate a [1Year warranty])