Product comparison · 2 network transceiver modules

Allied Telesis QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm vs Dell 407-BCBF network transceiver module Fiber optic 25000 Mbit/s SFP28

8specifications compared
4differ
4identical
18known for one product only

Key differences

Maximum data transfer rate
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:40000 Mbit/s
- 407-BCBF network transceiver module Fiber optic 25000 Mbit/s SFP28:25000 Mbit/s
Interface type
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:QSFP
- 407-BCBF network transceiver module Fiber optic 25000 Mbit/s SFP28:SFP28
SFP transceiver standard
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:SR4
- 407-BCBF network transceiver module Fiber optic 25000 Mbit/s SFP28:SR
Product colour
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:Silver
- 407-BCBF network transceiver module Fiber optic 25000 Mbit/s SFP28:Aluminium

Side by side

Differences highlightedShow differences only

Comparison of QSFPSR4LC, 407-BCBF
26 specifications	A Allied Telesis QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm Model QSFPSR4LC View product	B Dell 407-BCBF network transceiver module Fiber optic 25000 Mbit/s SFP28 Model 407-BCBF View product
Performance3 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rateDiffers	40000 Mbit/s	25000 Mbit/s
Interface typeDiffers	QSFP	SFP28
Multi-mode fiber (MMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber optic connector	LC	LC
SFP transceiver standardDiffers	SR4	SR
Maximum transfer distanceKnown for one	150 m	Unknown — not stated by the source
WavelengthKnown for one	850 nm	Unknown — not stated by the source
Tx power (min)Known for one	-4 dBmW	Unknown — not stated by the source
Tx power (max)Known for one	5 dBmW	Unknown — not stated by the source
Link budgetKnown for one	7 dB	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3ba	Unknown — not stated by the source
Digital Diagnostics Monitoring (DDM)Known for one	Yes	Unknown — not stated by the source
Fiber ports quantityKnown for one	Unknown — not stated by the source	1
Features1 differ
Product colourDiffers	Silver	Aluminium
Housing materialKnown for one	Metal	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	PowerEdge C4140 PowerEdge C6420 PowerEdge FC620 PowerEdge FC640 PowerEdge FC830 PowerEdge M640 PowerEdge M640 VRTX PowerEdge R240 PowerEdge R300 PowerEdge R340 PowerEdge R415 PowerEdge R430 PowerEdge R440 PowerEdge R530 PowerEdge R540 PowerEdge R630 PowerEdge R640 PowerEdge R6415 PowerEdge R720 Powe
Poweridentical
Power consumption (typical)Known for one	1.5 W	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 85%	Unknown — not stated by the source
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
RX sensitivityKnown for one	-11 dB	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) code	85369010	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.

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