查到这个，是讲after tax 401k， 可以有 43500， 所以， 总和7.3万， 差不离了

来源: 于 2024-01-02 14:03:59 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

They can put up to $43,500 of post-tax dollars in 2023 into their 401(k) plan and then roll it into a mega backdoor Roth, which is either a Roth IRA or Roth 401(k).