A Hewlett Packard Enterprise equivalent 16 GB Dual rank - registered ECC DDR3 SDRAM - DIMM 240-pin 1866 MHz ( PC3-14900 ) from Hypertec NOTE: This memory meets the memory specification requirements for reliable operation within a HP Generation 8 (or 9) server- but is not SmartMemory and does not identify as SmartMemory when installed or deliver SmartMemory specific features. from Hypertec