TwinMOS 4GB DDR4 2666MHz SO-DIMM Laptop RAM PC4 21300S (1.23V)

Here’s a concise spec list for the TwinMOS 2666MHz DDR4 SO-DIMM:

TwinMOS 2666MHz DDR4 SO-DIMM Specifications
Type: DDR4 SO-DIMM
Channel: Single Channel
Capacity: 4 GB
Frequency: Up to 2666 MHz
Operating Voltage: 1.2V
Latency: CL 19