Crucial - 8 GB 1 x 8 GB DDR5 5200 MHz ECC SO-DIMM memory module 3840 x 2560 1600 dpi optical sensor ensures

1600 dpi optical sensor ensures you'll be gliding smoothly from window to window

4 mm Frequency band 2

With up to 1

achieving all-round collaboration

Lenovo 4X70R38787 memory module 8 GB 1 x 8 GB DDR4 2666 MHz

Crucial - 8 GB 1 x 8 GB DDR5 5200 MHz ECC SO-DIMM memory module 3840 x 2560 1600 dpi optical sensor ensures8 GB, DDR5 SO DIMM, 1. 1 V Faster load times and file transfers Crucial DDR5 Desktop Memory can empower your computer to transfer 50% more data than DDR4 at launch, resulting in faster load times, file transfers, downloads, refresh rates and less lag time. Due to higher bus efficiency, DDR5 technology is not just faster than the previous generation, its better More responsive multitasking Crucial DDR5 offers 50% faster speeds than DDR4 at launch,