d0bd6e4e__NQDCs____Fidelity_Investments__401_k_
[Feature] Ability to take early withdrawal at any time, paying taxes and a penalty on the withdrawal amount [NQDC] No, with the possible exception of amounts deferred and vested before 2005 [401(k)] 
Yes, but only upon separation from service; a 10% additional tax may apply if under age 59½. Plan may permit in-service withdrawals without penalty after age 59½
Nonqualified Deferred Compensation Plans (NQDCs) - Fidelity Investments