Product comparison · 2 network transceiver modules

Allied Telesis AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP vs Dell QSFP+ ESR

9specifications compared
7differ
2identical
15known for one product only

Key differences

Maximum data transfer rate
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:1250 Mbit/s
- QSFP+ ESR:40000 Mbit/s
Interface type
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:SFP
- QSFP+ ESR:QSFP+
Fiber cable diameters supported (core/cladding)
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:9/125 µm
- QSFP+ ESR:50/125 µm
Operating temperature (T-T)
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:-40 - 95 °C
- QSFP+ ESR:0 - 70 °C
Storage temperature (T-T)
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:-40 - 95 °C
- QSFP+ ESR:-40 - 85 °C
Operating relative humidity (H-H)
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:0 - 95%
- QSFP+ ESR:10 - 80%
Storage relative humidity (H-H)
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:0 - 95%
- QSFP+ ESR:10 - 85%

Side by side

Differences highlightedShow differences only

Comparison of AT-SPBD20-13/I, QSFP+ ESR
24 specifications	A Allied Telesis AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP Model AT-SPBD20-13/I View product	B Dell QSFP+ ESR View product
Performance3 differ
Maximum data transfer rateDiffers	1250 Mbit/s	40000 Mbit/s
Interface typeDiffers	SFP	QSFP+
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber optic connectorKnown for one	LC	Unknown — not stated by the source
Fiber cable diameters supported (core/cladding)Differs	9/125 µm	50/125 µm
SFP transceiver standardKnown for one	BX	Unknown — not stated by the source
Maximum transfer distanceKnown for one	20000 m	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3z	Unknown — not stated by the source
Auto MDI/MDI-XKnown for one	Yes	Unknown — not stated by the source
Multi-mode fiber (MMF) supportedKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	40GBASE-ESR
Featuresidentical
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	Allied Telesis iMG2400 / 1400	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	-40 - 95 °C	0 - 70 °C
Storage temperature (T-T)Differs	-40 - 95 °C	-40 - 85 °C
Operating relative humidity (H-H)Differs	0 - 95%	10 - 80%
Storage relative humidity (H-H)Differs	0 - 95%	10 - 85%
Weight & dimensionsidentical
WidthKnown for one	13.4 mm	Unknown — not stated by the source
DepthKnown for one	56.5 mm	Unknown — not stated by the source
HeightKnown for one	8.5 mm	Unknown — not stated by the source
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	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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