Product comparison · 2 network transceiver modules

Legrand Brocade[R] 40G-QSFP-LM4 Compatible TAA compliant 40GBase-IR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM) vs Legrand Dell[R] 462-3621 Compatible TAA Compliant 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM)

Key differences

Maximum data transfer rate
- Brocade[R] 40G-QSFP-LM4 Compatible TAA compliant 40GBase-IR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM):40000 Mbit/s
- Dell[R] 462-3621 Compatible TAA Compliant 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM):1000 Mbit/s
Interface type
- Brocade[R] 40G-QSFP-LM4 Compatible TAA compliant 40GBase-IR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM):QSFP+
- Dell[R] 462-3621 Compatible TAA Compliant 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM):SFP
SFP transceiver standard
- Brocade[R] 40G-QSFP-LM4 Compatible TAA compliant 40GBase-IR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM):IR4
- Dell[R] 462-3621 Compatible TAA Compliant 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM):LX
Maximum transfer distance
- Brocade[R] 40G-QSFP-LM4 Compatible TAA compliant 40GBase-IR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM):2000 m
- Dell[R] 462-3621 Compatible TAA Compliant 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM):10000 m

Differences highlightedShow differences only

Comparison of 40G-QSFP-LM4-LEG, 462-3621-LEG
10 specifications	A Legrand Brocade[R] 40G-QSFP-LM4 Compatible TAA compliant 40GBase-IR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM) Model 40G-QSFP-LM4-LEG View product	B Legrand Dell[R] 462-3621 Compatible TAA Compliant 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM) Model 462-3621-LEG View product
Performance4 differ
Maximum data transfer rateDiffers	40000 Mbit/s	1000 Mbit/s
Interface typeDiffers	QSFP+	SFP
SFP transceiver standardDiffers	IR4	LX
Maximum transfer distanceDiffers	2000 m	10000 m
WavelengthKnown for one	Unknown — not stated by the source	1310 nm

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.