or Should i Say Hail Hydro- ?
https://dictionary.cambridge.org/us/dictionary/english/hydro
https://en.wikipedia.org/wiki/Hydra

...if want to OverClock G34, there are G34 compatible Waterblocks,
EK Supreme, discontinued.
Koolance CPU-350, 360, 370 & 380a, But Not 380i, Nor 390, also needs 2x special Koolance G34 screws per CPU.
some HeatKiller IV Basic for AMD

IHS & Mounting is different than sTR4 & SP3 socket Threadripper & Epyc 7000 CPU´s...
Enermax liqtech, XSPC and others... are Only compatible with Newer CPU´s.

so far the best/Biggest IHS for G34, are the aphacool Eisblock "needs external pump, reservoir, etc..." or the alphacool Eisbear AIO "All-In-One."
has 65mm x 65mm.

the Opetron 6000 IHS are 52.5mm x 35mm    "1.5:1"
CPUs are Bigger, but the surface that makes contact with the Cooler is that.

TR4 / SP3 IHS are 69.2mm x 51.9mm    "1.33:1"
https://www.tomshardware.com/news/amd-x399-threadripper-tr4-socket,35101.html

Voltage Regulators VRM must be cooled also, Koolance MVR-40 is an option.