Up for sale are three DDR4 kits by G.Skill, all work.
1, 2x8GB G.Skill TridentZ DDR4-4500C19-19-19-39 1,45v (F4-4500C19D-16GTZKKE)
Fron early 2019, A1/A0 layout, did around 4200C12 on Apex X iirc, bulk
2. 2x8GB G.Skill TridentZ Royal DDR4-4400C16-19-19-39 1,50V
From december 2020, tested on Apex 12 for 4800C14 32m and around 4220c12, last test today confirmed 4800C14-13 1,95v on Z590. In box
3. 2x8GB G.Skill TridentZ Royal DDR4-4400C17-18-18-38 1,50V
New, tested on Asrock OC Formula Z590 for 4800C14-13 GB3 and 5066C15, no C12 result bc of platf