SEACOM submarine cable
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The invisible infrastructure of global connectivity
SEACOM was Africa’s first submarine broadband cable when it went into operation on July 23, 2009. It connects East Africa and South Africa with Europe via India and fundamentally changed the continent’s connectivity landscape: within months, bandwidth prices in the region fell by up to 90 percent. SEACOM was also the first privately financed, carrier-independent cable system in the region. The system is now fully operational and directly supplies carriers, ISPs and enterprise customers in six countries. SEACOM is already planning the next generation with SEACOM 2.0: a 25,000 km system with 48 fiber pairs designed for AI workloads and next generation networks.
Route & connection
SEACOM connects Mtunzini (South Africa) via Maputo (Mozambique), Dar es Salaam (Tanzania), Mombasa (Kenya) and Djibouti with Mumbai (India) and Marseille (France). On the Egypt-India section, the system shares physical segments with the Tata-TGN Eurasia system. The total length is around 17,000 kilometers.
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SEACOM at a glance
What is the SEACOM cable?
SEACOM is a submarine cable of around 17,000 kilometers, connecting South Africa via the East African coast and Djibouti with Mumbai in India and Marseille in France. When it entered service on July 23, 2009, the system was Africa’s first broadband submarine cable and the region’s first privately financed, carrier-independent cable system. Between Djibouti and India, SEACOM shares physical segments with the Tata TGN-Eurasia system via Egypt and Saudi Arabia. With a design capacity of 12 Tbit/s, currently around 4.2 Tbit/s lit, SEACOM directly supplies carriers, ISPs and enterprise customers in six countries. SEACOM has already announced the next generation with SEACOM 2.0, a 25,000-kilometer system with 48 fibre pairs designed for AI workloads.
SEACOM fact sheet
| Attribute | Detail |
|---|---|
| Full name | SEACOM (SEACOM/Tata TGN-Eurasia) |
| Route | Mtunzini (South Africa) to Marseille (France), via Mozambique, Tanzania, Kenya, Djibouti, Mumbai |
| Length | around 17,000 km |
| Design capacity | 12 Tbit/s, currently around 4.2 Tbit/s lit |
| Fibre pairs | 2 |
| Technology | EDFA amplifiers, mixed dispersion-shifted and non-zero dispersion-shifted fibre |
| Landing points | Mtunzini (South Africa), Maputo (Mozambique), Dar es Salaam (Tanzania), Mombasa (Kenya), Djibouti, Mumbai (India), Marseille (France) |
| Entry into service | July 23, 2009 |
| Manufacturer | SubCom |
| Operator | private consortium (Industrial Promotion Services, Remgro, Sanlam, Convergence Partners, among others), no state consortium |
| Outlook | SEACOM 2.0 announced, 25,000 km, 48 fibre pairs, designed for AI workloads |
SEACOM submarine cable

Technology & capacity
SEACOM was built by SubCom and has 2 fiber pairs with EDFA amplifiers. Several capacity upgrades have continuously increased the usable bandwidth.
- 2 fiber pairs: total design capacity 12 Tbit/s, currently lit approx. 4.2 Tbit/s after multiple upgrades
- EDFA amplifiers: Over 150 underwater optical amplifiers along the entire length of the system
- Mixed fiber types: Dispersion-shifted and non-zero dispersion-shifted glass fiber
- First private African cable: carrier-independent, operated without a state consortium structure
Provider Overview
SAVECALL as access to SEACOM
SEACOM is a privately managed system without state consortium interests. This makes the negotiations more direct and the structures more flexible than with traditional carrier consortia. SAVECALL makes targeted use of this advantage: We negotiate capacity on an equal footing with the operator, know the available capacity models and provide full price benchmarking against EASSY, 2Africa and other East Africa options. For companies with operations in Kenya, Tanzania, Mozambique or South Africa, SEACOM is often the most efficient solution. SAVECALL assesses this in the context of your overall network needs and then sources the right carrier on the right terms.
The result for our customers:
- Direct capacity access to SEACOM without reseller chains
- Negotiation of IRU structures and leased capacity models
- Transparent price benchmarking against all available alternatives
- True route diversity through independent redundancy planning
- Clear SLAs and ongoing capacity management

SEACOM compared
Along the East African coast, SEACOM competes with other cable systems serving the region. The comparison shows where SEACOM’s private ownership and direct Marseille connection stand out.
| Criterion | SEACOM | EASSY | 2Africa |
|---|---|---|---|
| Route | South Africa to France, via the East African coast and Djibouti | Sudan to South Africa, along the East African coast | around Africa, with connections to Europe and the Middle East |
| Design capacity | 12 Tbit/s, currently around 4.2 Tbit/s lit | up to 4.72 Tbit/s | up to 180 Tbit/s |
| Length | around 17,000 km | around 10,000 km | around 45,000 km |
| In service since | 2009 | 2010 | core system completed November 2025 |
| Strength | Africa’s first private cable, direct Marseille connection | densest coverage of the East African coast including Madagascar and Comoros | largest capacity and most comprehensive country coverage around Africa |
Vendor-neutral assessment: SEACOM, EASSY and 2Africa all aim to provide high-performance connectivity for East Africa, but differ significantly in build year, reach and capacity. As an independent capacity broker, SAVECALL assesses all three systems neutrally and selects the right solution based on location, redundancy needs and budget.
Related submarine cables and cluster pages
- Densest coverage of the East African coast: EASSY
- All capacities at a glance: Submarine cable hub
- WAN connections and redundancy concepts: WAN cluster
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Frequently asked questions about the SEACOM cable
SEACOM connects Mtunzini in South Africa via Maputo in Mozambique, Dar es Salaam in Tanzania, Mombasa in Kenya and Djibouti with Mumbai in India and Marseille in France. Between Djibouti and India, the system shares physical segments with the Tata TGN-Eurasia system via Egypt and Saudi Arabia. The total length is around 17,000 kilometers.
SEACOM has 2 fibre pairs with a design capacity of 12 Tbit/s. Around 4.2 Tbit/s of that is currently lit, following several capacity upgrades since entering service in 2009. Over 150 underwater optical amplifiers handle signal transmission along the entire length of the system.
SEACOM has been in service since July 23, 2009, and was Africa’s first broadband submarine cable as well as the region’s first privately financed, carrier-independent system. SEACOM is operated by a private consortium made up of Industrial Promotion Services, Remgro, Sanlam and Convergence Partners, with no state consortium structure. The cable was built by SubCom.
All three systems connect East Africa to the world, but they differ significantly in reach and capacity. SEACOM offers a direct Marseille connection as Africa’s first private cable. EASSY provides the densest coverage of the East African coast with nine landing points, including Madagascar and Comoros. 2Africa circles the entire continent and offers by far the highest capacity at up to 180 Tbit/s. The right choice depends on location, budget and redundancy strategy.
SEACOM 2.0 is the announced next generation of the system: a cable of around 25,000 kilometers with 48 fibre pairs, connecting Europe, the Middle East, Africa and Asia. The system is specifically designed for AI workloads, cloud applications and real-time data services, and aims to significantly reduce connectivity costs in the region. A concrete entry-into-service date has not yet been set.
SEACOM is a privately run system without state consortium interests, which enables direct negotiations and flexible structures. SAVECALL negotiates capacity on an equal footing with the operator, knows the available capacity models and provides full price benchmarking against EASSY, 2Africa and other East Africa options. Book a free consultation to discuss your requirements and the right capacity on SEACOM.



