I bought additional memory to the previously purchased in dns. Everything works fine, the frequency is the one indicated. The same memory was in the old PC, there were no complaints.
uxcell 3.5" HDD Screw Black 200pcs for Computer PC Case - Flat Phillips Head - 6#-32 - Hard Drive Fasteners
10 Review
MacBook Retina 13-inch (A1425, A1502) and 🔩 15-inch (A1398) Bottom Case Screw Set with Pentalobe Screwdriver
11 Review
36-Pack Black Rubber PC CPU/Case Fan Screws/Rivets Set for Computer
11 Review
Glarks 660 Pieces Phillips Assortment Motherboard
10 Review