Dell RAM Memory Module AA335286 16 GB DDR4 2666 MHz ECCDell AA335286 16 GB Memory Module 1 x 16 GB DDR4 2666 MHz ECC Memory Module AA335286 16 GB 1 x 16 GB DDR4 2666 MHz ECC Specifications for SNPVDFYDC 16G Features Buffered Memory Type Unregistered (Unbuffered) Component For PC Server ECC Yes Internal Memory 16 GB Internal Memory Type DDR4 Memory Clock Speed 2666 MHz Memory Form Factor 288 pin DIMM Memory Configuration (Modules x Size) 1 x 16 GB Memory Voltage 1. 2 V Logistics Data Harmonized System Code