This 8GB SODIMM module is a tested pull from a working Dell Optiplex 3050M system.  This is compatible with a variety of laptop/notebook systems using 260-pin 1.2V DDR4 SODIMM modules and is a perfect match for for the Dell 3050M and compatible systems where it can operate in dual-channel mode, effectively doubling memory throughput, when paired with another similar module.

<Ebay's automated listing description follows:>

Upgrade your laptop's performance with this Kingston 8GB DDR4 SDRAM module. It has a total capacity of 8 GB and a bus speed of PC4-19200 (DDR4-2400). This SO-DIMM module is compatible with most laptops and is made by the well-known brand, Kingston. The module has 260 pins and is manufactured in China.

</Ebay's automated listing description>