S.C. Code Ann. § 44-53-375
(B) A person who manufactures, distributes, dispenses, delivers, purchases, or otherwise aids, abets, attempts, or conspires to manufacture, distribute, dispense, deliver, or purchase, or possesses with intent to distribute, dispense, or deliver ice, crank, or crack cocaine, in violation of the provisions of Section 44-53-370, is guilty of a felony and, upon conviction:
(3) for a third or subsequent offense or if the offender has been convicted two or more times in the aggregate of any violation of the laws of the United States or of any state, territory, or district relating to narcotic drugs, marijuana, depressant, stimulant, or hallucinogenic drugs, the offender must be imprisoned for not more than thirty years and fined not less than one hundred thousand dollars.
Possession of one or more grams of ice, crank, or crack cocaine is prima facie evidence of a violation of this subsection.
(C) A person who knowingly sells, manufactures, delivers, purchases, or brings into this State, or who provides financial assistance or otherwise aids, abets, attempts, or conspires to sell, manufacture, deliver, purchase, or bring into this State, or who is knowingly in actual or constructive possession or who knowingly attempts to become in actual or constructive possession of ten grams or more of ice, crank, or crack cocaine, as defined and otherwise limited in Sections 44-53-110, 44-53-210(b)(4), 44-53-210(d)(1), or 44-53-210(d)(2), is guilty of a felony which is known as "trafficking in ice, crank, or crack cocaine" and, upon conviction, must be punished as follows if the quantity involved is:
(1) ten grams or more, but less than twenty-eight grams:
(2) twenty-eight grams or more, but less than one hundred grams: