Corsair Vengeance LPX - 32GB 4 x 8 GB DDR4 2666 MHz memory module Display resolution___368 x 448 pixels 4 mm Width (with stand)

4 mm Width (with stand) 639

RS820+19 series:DS2419+

7 kg Height 379 mm Width 614 mm Depth 52 mm Exterior finish type Textured USB Power Delivery revision 3

and then allows you to access them with one-touch

Not sure if your older Mac will work with 4GB DDR3 SODIMMs

Corsair Vengeance LPX - 32GB 4 x 8 GB DDR4 2666 MHz memory module Display resolution___368 x 448 pixels 4 mm Width (with stand)Vengeance LPX, 32GB, 4x 8GB, 2666MHz, DDR4, 1. 2V, Intel XMP 2. 0 Designed for high performance overclocking on Intel X99 motherboards Vengeance LPX memory is designed for high performance overclocking. The heatspreader is made of pure aluminum for faster heat dissipation, and the eight layer PCB helps manage heat and provides superior overclocking headroom. Each IC is individually screened for performance potential. The DDR4 form factor is optimized