2YS91AV – HP 16GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Dual-Rank Memory Module Brand : HP Weight : OEM Package Quantity : 1 Memory Technology : DDR4 SDRAM RAM Speed : 2666 MHz Error Identifying : Non-ECC Signal Type : Unbuffered Memory Capacity : 16 GB RAM Standard : DDR4-2666/PC4-21300 Column Access Strobe (CAS) : CL19 Product Voltage : 1.2V Quantity of Pins : 260-pin RAM Genre : SoDIMM Rank : Dual Rank x8 Eco Friendly : Yes Assembly Required : Yes