https://buy.hpe.com/ie/en/options/transceiver-options/networking-transceiver-options/hpe-networking-x140-40g-qsfp-csr4-300m-transceiver/p/jg709a
HPE Networking X140 40G QSFP+ CSR4 300m Transceiver | HPE Store Ireland
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https://www.chicagocomputersupply.com/products/jh681a
HPE X140 40G QSFP+ MPO MM 850NM CSR4 300M Transceiver JH681A
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