Hard to follow Soviet missile designations, but...

S-125 Neva system used the V-600P 5V24 missile.
S-125M Neva-M system used the V-601P 5V27 missile types...
5V27G, 5V27GP, 5V27GPS, 5V27GPU
S-125M1 Neva-M1 used the 5V27D.

In Hungary we had the S-125M1 with 5V27U, and 5V27D missiles.
(photos made during decommissioning)




During 99, the Pechora-2M modernization was revealed, with updated missile.
V-601D (?) 5V27D. It has modernized guidance method KDU, more heavy 2nd stage and bit higher range and top speed.

more info here: http://pvo.guns.ru/s125/index.htm