@kasperd @filippo @fazalmajid @dalias back in 2022 there was a short Twitter thread from Ross Bishop¹ about testing four SSDs that lie about fsync: only two actually kept that promise².
For durability, the WD Gold SSDs do include supercapacitors of capacity sufficient to fully flush write buffers to the flash layer, and recently introduced this to their mechanical drives too.
¹: https://web.archive.org/web/20220222012227/https://twitter.com/xenadu02/status/1495693475584557056
²:
1. Samsung 970 Evo Plus: MZ-V7S2T0, 2021.10
2. WD Red: WDS100T1R0C-68BDK0, 04Sept2021
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