Arista executives discuss liquid-cooled networking gear and support for Linear Pluggable Optics to achieve power and cost optimization for AI data
For example, the 800G OSFP DR8 LPO and 800G OSFP finned-top DR8 module facilitate switch-to-switch connections, while the 800G OSFP DR8
Combined with a fully unified packet buffer, P4 programmability, and a new generation of liquid-cooled switch platforms, the G300 represents Cisco''s
Arista launches 1.6T networking switches for AI fabrics, targeting rack-scale infrastructure with air and liquid-cooled designs.
Argentine Air-Cooled Switch LPO All large AI data centers will be liquid cooled and the switches that go into these data centers also need to be liquid cooled. While one can add liquid cooled cold plates on
Left-to-Right airflow Right-to-Left airflow Exploring Passive Cooling in Network Switches While the discussion has primarily centered around active
Removing fans in liquid-cooled switches saves 5–10% of power, reduces vibration, and improves optics reliability. LPO modules can reduce pluggable optics power to ~10W, versus
Liquid Cooling The immense computational density of modern AI accelerators generates thermal loads that exceed the capabilities of traditional air cooling. As a result, hyperscale AI data centers are
Arista Networks recently announced its new 7060XE7 Series, a portfolio of 1.6 Terabit (1.6T) Ethernet switching platforms designed for rack-scale AI infrastructure. The announcement
“Delta is driving next-generation AI networking with its 1.6T Ethernet switch portfolio, offering both air-cooled and liquid-cooled platforms to meet diverse data center deployment needs.
AI-Specific Networking: a dedicated Back-End network for AI workloads to isolate them from other data center traffic and ensure low-latency communication. High-Speed Interconnects: Backend network
Cisco continues to transform the network into an AI innovation platform, unveiling the Silicon One G300 102.4 Tbps switching silicon.
At future 102.4T switching densities, traditional DSP-based optical architectures may exceed the thermal dissipation capabilities of standard air-cooled data centers. LPO reduces module
Arista''s 1.6T platform consists of a trio of switches. The air-cooled 7060XE7-64PS is the first of three to be made available, with it set to drop during
Arista Networks shared some of its plans to deliver liquid-cooled switches and racks that can significantly reduce power consumption in enterprise
CR channels are specified (IEEE) with lower host loss ports LPO modules need to work in every switch port, so they need to compensate for the extra host loss in those high loss ports LPO modules have
Congo Liquid-Cooled Switch LPO Arista Networks shared some of its plans to deliver liquid-cooled switches and racks that can significantly reduce power consumption in enterprise AI networks.
Each XPO module delivers 12.8Tbps of bandwidth using 64 electrical lanes and incorporates an integrated liquid-cooled cold plate capable of supporting 400W+ module power consumption.
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NVIDIA/Mellanox MMS4X00-NM16 (980-9I30J-F4NM00) Compatible 800GBASE-DR8 OSFP IHS/Closed Finned Top PAM4 1310nm 500m MPO-16/APC DDM SMF Ethernet Optical Transceiver
• 7060XE7-128PE, providing 128 800G ports in an air-cooled 4RU form factor The systems use 224G and 100G SerDes technologies, depending on configuration, and support Linear Pluggable Optics
One of the most groundbreaking network innovations driving transformations of data centers in 2025 is Linear Pluggable Optics (LPO)—a Digital Signal Processor (DSP)-free optical
The 1RU system provides a suitable boundary condition to support air-cooled switch applications as well as applications with alternative cooling techniques.
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Not only were these demo switches using co-packaged optics, but they were also designed to be liquid-cooled. Warning,
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