4SP54AV – HP 4GB PC4-19200 DDR4-2400MHz non-ECC Unbuffered CL17 SoDIMM 1.2V Single-Rank Memory Module Brand : HP Weight : OEM Memory Technology : DDR4 SDRAM RAM Speed : 2400 MHz Error Identifying : Non-ECC Signal Type : Unbuffered Memory Capacity : 4 GB Product Voltage : 1.2V RAM Standard : DDR4-2400/PC4-19200 Column Access Strobe (CAS) : CL17 Rank : Single Rank x8 Quantity of Pins : 260-pin RAM Genre : SoDIMM Eco Friendly : Yes Assembly Required : Yes