400 Degreez

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• Universal
• Cash Money}}

400 Degreez is the commercial debut and overall third studio album by American rapper Juvenile. The album was released on November 3, 1998, by Universal Records and Bryan "Baby" Williams' Cash Money Records. It remains Juvenile's best-selling album of his solo career, with six million copies sold as of 2021. The album received quadruple platinum certification by the Recording Industry Association of America (RIAA) on December 19, 2000.

Its two preceding singles, "Ha" and "Back That Azz Up" (censored as "Back That Thang Up") peaked at numbers 68 and 19 on the Billboard Hot 100, respectively. The album peaked at number nine on the Billboard 200 and number two on Billboard's Top R&B/Hip Hop Albums; it peaked atop the latter chart for its Year-End list of 1999. The album also features the remix of the single "Ha" with New York rapper Jay-Z, its only guest appearance from outside the Cash Money roster and the first time a rapper from the label worked with an East Coast rapper on a song. The album won the Billboard Music Award for Top R&B Album in 1999. The explicit version of the album was not totally uncensored; lines such as "do a (homicide) with me" on "Gone Ride with Me" and "put a (pistol) in his face" can be heard in "Welcome 2 tha Nolia".

In 2020, Rolling Stone ranked the album number 470 on their list of the 500 Greatest Albums of All Time. Consequence in 2023 and Billboard in 2024 ranked 400 Degreez 38 and 44 in their respective all-time best hip hop album lists. In 2017, The Ringer ranked it as the third-best Southern hip hop album of all time. HipHopDX named it among 18 of the best hip hop and R&B albums of 1998. In 2025, Pitchfork ranked it as the third best rap album of all time.