Product comparison · 2 network transceiver modules

Allied Telesis AT-QSFPSR4LCA network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm vs Allied Telesis AT-SPTXC network transceiver module Copper 1000 Mbit/s RJ-45

Key differences

SFP transceiver type
- AT-QSFPSR4LCA network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:Fiber optic
- AT-SPTXC network transceiver module Copper 1000 Mbit/s RJ-45:Copper
Maximum data transfer rate
- AT-QSFPSR4LCA network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:40000 Mbit/s
- AT-SPTXC network transceiver module Copper 1000 Mbit/s RJ-45:1000 Mbit/s
Interface type
- AT-QSFPSR4LCA network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:QSFP+
- AT-SPTXC network transceiver module Copper 1000 Mbit/s RJ-45:RJ-45
Maximum transfer distance
- AT-QSFPSR4LCA network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:150 m
- AT-SPTXC network transceiver module Copper 1000 Mbit/s RJ-45:100 m

Differences highlightedShow differences only

Comparison of AT-QSFPSR4LCA, AT-SPTXC
11 specifications	A Allied Telesis AT-QSFPSR4LCA network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm Model AT-QSFPSR4LCA View product	B Allied Telesis AT-SPTXC network transceiver module Copper 1000 Mbit/s RJ-45 Model AT-SPTXC View product
Performance4 differ
SFP transceiver typeDiffers	Fiber optic	Copper
Maximum data transfer rateDiffers	40000 Mbit/s	1000 Mbit/s
Interface typeDiffers	QSFP+	RJ-45
Multi-mode fiber (MMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber optic connectorKnown for one	LC, QSFP+	Unknown — not stated by the source
SFP transceiver standardKnown for one	SR4	Unknown — not stated by the source
Maximum transfer distanceDiffers	150 m	100 m
WavelengthKnown for one	850 nm	Unknown — not stated by the source
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Featuresidentical
Product colour	Grey	Grey

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.