Product comparison · 2 network transceiver modules

Allied Telesis AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+ vs Allied Telesis QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm

Key differences

Maximum data transfer rate
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:10000 Mbit/s
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:40000 Mbit/s
Interface type
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:SFP+
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:QSFP
Maximum transfer distance
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:20000 m
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:150 m
Tx power (min)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:-3 dBmW
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:-4 dBmW
Tx power (max)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:3 dBmW
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:5 dBmW
Link budget
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:12 dB
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:7 dB
Power consumption (typical)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:1 W
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:1.5 W
Operating relative humidity (H-H)
- AT-SP10BD20-12 network transceiver module Fiber optic 10000 Mbit/s SFP+:0 - 80%
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:0 - 85%

Differences highlightedShow differences only

Comparison of AT-SP10BD20-12, QSFPSR4LC
27 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 QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm Model QSFPSR4LC View product
Performance6 differ
Maximum data transfer rateDiffers	10000 Mbit/s	40000 Mbit/s
Interface typeDiffers	SFP+	QSFP
Multi-mode fiber (MMF) supportedKnown for one	Unknown — not stated by the source	Yes
SFP transceiver standardKnown for one	Unknown — not stated by the source	SR4
Maximum transfer distanceDiffers	20000 m	150 m
WavelengthKnown for one	Unknown — not stated by the source	850 nm
Tx power (min)Differs	-3 dBmW	-4 dBmW
Tx power (max)Differs	3 dBmW	5 dBmW
Link budgetDiffers	12 dB	7 dB
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ba
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
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
Power1 differ
Power consumption (typical)Differs	1 W	1.5 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs	0 - 80%	0 - 85%
Other features1 differ
RX sensitivityDiffers	-15 dB	-11 dB
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85369010

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.