| Final 20:32 | time | | | 1. China |  CHN | 3:13.47 | AR | | Yu Hexin | 49.40s | | | Lin Yongqing | 48.44s | | | Sun Yang | 48.55s | | | Ning Zetao | 47.08s | | | 2. Japan |  JPN | 3:14.38 | | Shinri Shioura | 49.03s | | | Rammaru Harada | 48.49s | | | Takuro Fujii | 48.92s | | | Katsumi Nakamura | 47.94s | | | 3. Hong Kong |  HKG | 3:22.45 | | Geoffrey Cheah | 50.26s | | | Jeremy Wong | 50.38s | | | Derick Ng | 50.91s | | | Kent Cheung | 50.90s | | | 4. Chinese Taipei |  TPE | 3:23.89 | | Chang Kuo-chi | 51.60s | | | Huang Yen-hsin | 51.01s | | | Lin Chien-liang | 52.58s | | | Wang Yu-lian | 49.70s | | | 5. Uzbekistan |  UZB | 3:23.95 | | Daniil Tulupov | 51.22s | | | Aleksey Derlyugov | 51.21s | | | Islam Aslanov | 51.85s | | | Khurshidjon Tursunov | 49.67s | | | 6. India |  IND | 3:25.94 | | Anshul Kothari | 52.40s | | | Sajan Prakash | 51.50s | | | Neil Contractor | 52.03s | | | Aaron D'Souza | 50.01s | | | 7. Indonesia |  INA | 3:27.54 | | Triady Fauzi Sidiq | 51.32s | | | Alexis Wijaya Ohmar | 51.50s | | | I Gede Siman Sudartawa | 51.29s | | | Ricky Anggawijaya | 53.43s | | | DQ. South Korea |  KOR | 3:18.44 | | Kim Sung-kyum | 50.58s | | | Yang June-hyuck | 50.29s | | | Nam Ki-woong | 48.93s | | | Park Tae-hwan | 48.64s | |
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| Venue: Muhak Park Tae-hwan Aquatics Center. | | South Korea originally won the bronze medal, but was later disqualified after Park Tae-hwan tested positive for Nebido. |
| World record: United States 3:08.24 Beijing, China 11 August 2008 | | Asian record: Japan 3:14.73 Hong Kong 8 December 2009 | | Games record: China 3:16.34 Guangzhou, China 16 November 2010 |
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IRI
MAC
MGL
MDV
SGP
PAK