Product comparison · 2 network transceiver modules

Allied Telesis AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm vs Dell QSFP+ ESR

Key differences

Cabling technology
- AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:40GBASE-SR
- QSFP+ ESR:40GBASE-ESR

Differences highlightedShow differences only

Comparison of AT-QSFPSR, QSFP+ ESR
13 specifications	A Allied Telesis AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm Model AT-QSFPSR View product	B Dell QSFP+ ESR View product
Performance1 differ
SFP transceiver standardKnown for one	SR	Unknown — not stated by the source
WavelengthKnown for one	850 nm	Unknown — not stated by the source
Cabling technologyDiffers	40GBASE-SR	40GBASE-ESR
Fiber cable diameters supported (core/cladding)Known for one	Unknown — not stated by the source	50/125 µm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.