Why does my Task Manager show i have 4 open RAM slots? — Acer ...
You don't. Its likely the chipset which is common to other designs supports 4 ram slots. There's only 2 physical ram slots its entirely possible to use the same chipset for 4 sticks.
Asus ROG Strix Z790-F Gaming Wifi
ATX Form Factor Z790 Chipset Intel LGA1700 Socket 4 x DDR5 Dual-Channel RAM Slots 4 x SATA, 4 x M.2 PCIe 1 x PCIe 5.0 x16 | 2 x PCIe 4.0 x16 (x4) 1 x PCIe ...
Thiết bị lưu trữ NAS Synology DS723+
Memory description, Up to 32 GB RAM DDR3 internal in 4 slot(s) 16 GB RAM DDR3 internal in 2 slot(s) (by default). Complementary. Number of slots ...