https://github.com/ethereum/go-ethereum/issues/22873 https://github.com/ethereum/mist/issues/3760 If you see that you are 64 blocks behind mainnet, you aren't yet synchronized, not even close. You are just done with the block download phase and still running the state downloads. You can see this yourself via the seemingly endless Imported state entries [...] stream of logs. You'll need to wait that out too before your node comes truly online.
Trienodes syncing speed
HDD: 0.12 m/hour
SSD: 19.2 m/hour
x160
HDD = Seagate Constellation ES.2 (SATA 6Gb/s) ST33000650NS
SSD = Micron 5100 Pro / 52x0 / 5300 SSDs Micron_5200_MTFDDAK1T9TDC