Product comparison · 2 network transceiver modules

Allied Telesis AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm vs Allied Telesis QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm

10specifications compared
6differ
4identical
19known for one product only

Key differences

Interface type
- AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm:SFP
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:QSFP28
Maximum transfer distance
- AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm:550 m
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:10000 m
Wavelength
- AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm:850 nm
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:1308 nm
Link budget
- AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm:7.5 dB
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:5 dB
Product colour
- AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm:Steel
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:Silver
Operating temperature (T-T)
- AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm:-40 - 85 °C
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:0 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of AT-SPSX/I-90, QSFP28-LR4
29 specifications	A Allied Telesis AT-SPSX/I-90 network transceiver module Fiber optic SFP 850 nm Model AT-SPSX/I-90 View product	B Allied Telesis QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm Model QSFP28-LR4 View product
Performance4 differ
Maximum data transfer rateKnown for one	Unknown — not stated by the source	100000 Mbit/s
Interface typeDiffers	SFP	QSFP28
Single-mode fiber (SMF) supportedKnown for one	Unknown — not stated by the source	Yes
SFP transceiver standardKnown for one	Unknown — not stated by the source	LR4
Maximum transfer distanceDiffers	550 m	10000 m
WavelengthDiffers	850 nm	1308 nm
Link budgetDiffers	7.5 dB	5 dB
Ethernet interface typeKnown for one	Unknown — not stated by the source	100 Gigabit Ethernet
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ba, IEEE 802.3bm
Multi-mode fiber (MMF) supportedKnown for one	Yes	Unknown — not stated by the source
Tx wavelength (max)Known for one	850 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	850 nm	Unknown — not stated by the source
Copper ethernet cabling technologyKnown for one	1000BASE	Unknown — not stated by the source
Duplex systemKnown for one	Full	Unknown — not stated by the source
Features1 differ
Product colourDiffers	Steel	Silver
Form factorKnown for one	SFP	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	4 W
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability complianceKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	-40 - 85 °C	0 - 70 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 85 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 85%
Minimum operating temperatureKnown for one	-40 °C	Unknown — not stated by the source
Maximum operating temperatureKnown for one	85 °C	Unknown — not stated by the source

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.

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