Southern Cross Cable Network
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International Submarine Cable Operator
The Southern Cross Cable Network provides fast, direct, and secure international bandwidth from Australia, New Zealand, Fiji and Hawaii to the heart of the Internet in the USA. Southern Cross is currently delivering 1800 gigabit/s of fully protected bandwidth and has the potential as demand growth requires to increase to 6+ Tbps using 100 Gbps technology.
03/08/2026
We’re heading to Submarine Networks World — Singapore, 23–24 September. Southern Cross Cables (SX) will be there to discuss our express, direct low‑latency connectivity options between Australia, New Zealand and the USA.
Come say hi at our stand to meet our friendly engineering and commercial teams and discover how our high‑quality network and planned next generation hyper-cables—Tasman Express and Pacific Express—are ready to power the next wave of cloud, AI, and neo-scale services.
Discover how our existing low latency, high-performance NEXT system offers direct capacity, spectrum or fibre connectivity between Sydney and Los Angeles without the need for an intermediate landing or interconnection. Fast. Direct. Secure.
03/07/2026
It appears that the AI wave isn’t on the horizon — it’s reaching the shore. As the industry scales compute at breakneck speed, one thing is becoming clear: connectivity is the missing piece.
After a year of unprecedented demand at Southern Cross, one fact stands out: if you are looking for Spectrum or Fibre level connectivity, there is only ONE unlit fibre pair left on our NEXT cable between Sydney and Los Angeles.
Not one cable. Not one route. One remaining fibre pair on the markets current highest fibre capacity, lowest latency single‑span optical path linking the AI and data centre hubs of Sydney and LA today.
Our Tasman Express and Pacific Express projects have us planning future runway — but right now, AU–US connectivity is becoming a scarce, strategic resource.
If AI is your competitive edge, how critical is your connectivity strategy?
Southern Cross - Powering the Cloud, Under the Sea!
In the final of our 25-year video series ... we look to the future!
Tasman Express will bring high fibre, low latency connectivity between Sydney and Auckland enabling support for AI workloads ... with the quality and performance you would expect from Southern Cross.
fast.direct.secure
Built for scale. Designed for speed. Trusted to connect communities.
In the second of our 25-year celebration videos, see how SX steps beyond simply delivering capacity to support the Pacific, our staff and the industry.
25 Years. 3 Routes. 1 Goal. The Pacific Connected.
23/04/2026
If you could optimise one thing across the Pacific, what would it be?
We’re off to ITW 2026, bringing our three‑route subsea network built for serious AU–NZ–US performance.
SX Eco-system = 3 routes (North, South, NEXT) = diversity
NEXT = the only single optical span low latency Sydney–LA route = low latency, high capacity
+ new Tasman Express = Auckland–Sydney low‑latency coming 2028 = DC / Neocloud ready
Low latency. High capacity. Resiliency & Diversity. We've got you covered.
Curious? Let’s talk in National Harbor.
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22 Church Street
Hamilton
HM12
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