Spelled out, the SFP-10G-DZ-38.19 means an SFP-format transceiver running at 10G, cut for Arista hosts, sitting at the -38.19 spot in the DZ family. That is the whole story: insert it in an Arista SFP slot and the port comes up without touching the configuration.
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Form Factor: SFP
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OEM Equivalent: SFP-10G-DZ-38.19
Compatibility: Documented OEM compatibility (Arista published compatibility documentation): this module is accepted in 10G SFP+ ports on the 7020R Series, 7050X3 Series, 7060X Series, 720XP Series, 7280R3 Series, and 7300X3 Series. This module follows Arista's published compatibility matrix; for your exact line card or OS release, email 10.4@tenfouroptics.com and we'll confirm fit.
Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.
It carries working DDM/DOM, so optical readings surface in the host's monitoring the same way the original module reported them. MSA conformance governs its EEPROM layout and electrical interface, keeping mixed cages predictable. Each unit is also checked against Arista hosts before it is packed. Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In-stock items ship same or next business day — contact 10.4@tenfouroptics.com to confirm availability and lead time.
