Recommendations for a high voltage SMPS.

[andre tchmil]

I need to power some simple tube preamps and came across this. Seems to be a neat solution for a lazy person like me.
Any experiences here ?
https://nl.aliexpress.com/item/1005001948760459.html?spm=a2g0o.productlist.main.1.48005774c0RAZW&algo_pvid=210d6e87-edb9-449b-8c34-6a45f00cbf6f&algo_exp_id=210d6e87-edb9-449b-8c34-6a45f00cbf6f-0&pdp_npi=4@dis!EUR!39.15!28.19!!!41.80!30.10!@21039e0c17286754683873699e83d7!12000018192145879!sea!BE!892788945!X&curPageLogUid=m6a3nVcnEAqN&utparam-url=scene:search|query_from:


or another brand-type