Hypertec UC-N01-M304GB1-HY [Legacy] memoria 4 GB DDR3 1333 MHz Data Integrity Check [verifica integrità dati] (A Hypertec Legacy Cisco equivalent 4 GB Dual rank - 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 warning messag [1Year warranty])