Memory Capacity 16GB Speed 2666MHz (PC4-21300) Error Check ECC Unbuffered Model/Series/Type System Specific Module Type DIMM CAS Latency CL19 Form Factor DDR4 Rank 2R (Dual Rank) Pins 288 Pin System Specific Brand HP/Compaq Operating Temperature 0oC to 85oC Memory Voltage 1.2v Memory Depth 2G Product Condition New Product Type/Family RAM Data Width X72 Chip Organization x8 Item Dimension (L inchxW inchxH inch) 7 x 2 x 1