Arista QSFP28 100G AOC, 10M, $96.75 from unixpluscom

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Spyder Web

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Jan 28, 2018
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I was on ebay searching for cheap QSFP+ AOC's for my Arista 7050QX-32-S and I stumbled across this unixpluscom listing for an Arista compatible AOC-Q-Q-100G-10 for $96.75:
NEW Arista 100G QSFP28 10-Meter Active Optical Cable AOC-Q-Q-100G-10M | eBay

This AOC cable is $510 on fs.com:
Arista AOC-Q-Q-100G-10M 100G QSFP28 Active Optical Cable | FS.COM

I'm pretty sure the QSFP28 transceiver is NOT compatible with the QSFP+ ports of the Arista 7050QX-32-S , but if someone knows different please let me know.

Edit:
It does.. see below
 
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Spyder Web

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Jan 28, 2018
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Out of curiosity, did they ship or cancel your order?
They actually shipped it. Before I purchased I even asked if they could confirm the cable was NOT usable in a QSFP+ port of the Arista 7050QX-32-S, but they said it was compatible and they even offered to test it for me. Now I never heard back on the testing, but received the cable on Saturday. I plan on testing it myself in the next day or so.
 
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Spyder Web

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Jan 28, 2018
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Now I'm really wishing I would have purchased more than one. The 100G QSFP28 AOC actually does connect between a 40G only QSFP+ port of the Arista 7050QX32-S and a Mellanox MCX-345A-FCCT. It wouldn't connect when in the 4x10G QSFP+ forced for 40G nor was it compatible with an Intel XL710-QDA2.
 
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