Product comparison · 2 network transceiver modules

Allied Telesis AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+ vs Allied Telesis QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm

Key differences

Maximum data transfer rate
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:10000 Mbit/s
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:40000 Mbit/s
Interface type
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:SFP+
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:QSFP
Maximum transfer distance
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:20000 m
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:40000 m
Tx power (max)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:3 dBmW
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:5 dBmW
Link budget
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:12 dB
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:16 dB
Power consumption (typical)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:1 W
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:3.5 W
Storage temperature (T-T)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:-40 - 85 °C
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:-20 - 85 °C
Operating relative humidity (H-H)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:0 - 80%
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:0 - 85%

Differences highlightedShow differences only

Comparison of AT-SP10BD20-12, QSFPER4
25 specifications	A Allied Telesis AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+ Model AT-SP10BD20-12 View product	B Allied Telesis QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm Model QSFPER4 View product
Performance5 differ
Maximum data transfer rateDiffers	10000 Mbit/s	40000 Mbit/s
Interface typeDiffers	SFP+	QSFP
Maximum transfer distanceDiffers	20000 m	40000 m
Tx wavelength (max)Known for one	1270 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	1330 nm	Unknown — not stated by the source
Tx power (max)Differs	3 dBmW	5 dBmW
Link budgetDiffers	12 dB	16 dB
SFP transceiver standardKnown for one	Unknown — not stated by the source	ER4
WavelengthKnown for one	Unknown — not stated by the source	1331 nm
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ba
Power1 differ
Power consumption (typical)Differs	1 W	3.5 W
Operational conditions2 differ
Storage temperature (T-T)Differs	-40 - 85 °C	-20 - 85 °C
Operating relative humidity (H-H)Differs	0 - 80%	0 - 85%
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other features1 differ
RX sensitivityDiffers	-15 dB	-19 dB

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.