The South East Asia-Middle East-West Europe 4 (SEA-ME-WE 4, SMW4) is an approximately 18,800 km submarine cable connecting Singapore, Malaysia, Thailand, Bangladesh, India, Sri Lanka, Pakistan, United Arab Emirates, Saudi Arabia, Egypt, Italy, Tunisia, Algeria and France.

The SMW4 cable system consists of two fiber pairs, with intial design capacity of 1.28Tbps, upgraded to 4.6Tbps in 2015.

The SMW4 cable system was ready for service on December 13, 2005.

The SMW4 project costs about US$500 million, supplier by ASN and Fujitsu jointly.

The SMW4 Consortium comprises 16 telecom operators:

• Algérie Télécom, Algeria
• Bharti Infotel Limited, India
• Bangladesh Submarine Cable Company Limited (BSCCL), Bangladesh
• CAT Telecom Public Company Limited, Thailand
• Emirates Telecommunication Corporation (ETISALAT), UAE
• France Telecom, France
• MCI, United States
• Pakistan Telecommunication Company Limited, Pakistan
• Singapore Telecommunications Limited (SingTel), Singapore
• Sri Lanka Telecom PLC (SLT), Sri Lanka
• Saudi Telecom Company (STC), Saudi Arabia
• Telecom Egypt (TE), Egypt
• Telecom Italia Sparkle S.p.A., Italy
• Telekom Malaysia Berhad (TM), Malaysia
• Tunisie Telecom, Tunisia
• Tata Communications, India

The SMW4 cable system has 4 segments:

• S1 - Tuas to Mumbai
• S2 - Mumbai to Suez
• S3 - Suez to Alexandria
• S4 - Alexandria to Marseille

Tthe SMW4 cable system lands at the following 17 cable landing stations:

1. Marseille, France
2. Annaba, Algeria
3. Bizerte, Tunisia
4. Palermo, Italy
5. Alexandria, Egypt
6. Cairo, Egypt (overland)
7. Suez, Egypt (overland
8. Jeddah, Saudi Arabia
9. Fujairah, United Arab Emirates
10. Karachi, Pakistan
11. Mumbai, India
12. Colombo, Sri Lanka
13. Chennai, India
14. Cox's Bazar, Bangladesh
15. Satun, Thailand
16. Melaka, Malaysia
17. Tuas, Singapore