The MikroTik CRS804 switch works very well for an 8x cluster of Sparks, but I’ve noticed that the Juniper QFX5130-48C-AFO can be bought new-in-box for a little over $6,000 and has 8x 400G ports, along with 48x 100G ports and 2x 10G ports that could be used for other things. It should work well for c…

Has anyone done DGX Spark / GB10 clusters larger than 8x? 16x?

eugr May 5, 2026, 6:09pm 21

Thanks!

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