Product comparison · 2 network transceiver modules

StarTech.com Cisco Compatible 100 Mbps Fiber SFP Transceiver Module SM LC w/ DDM – 20 km (Mini-GBIC) vs StarTech.com Cisco Compatible 100 Mbps Fiber SFP Transceiver Module SM LC w/ DDM – 40 km (Mini-GBIC)

Key differences

Maximum transfer distance
- Cisco Compatible 100 Mbps Fiber SFP Transceiver Module SM LC w/ DDM – 20 km (Mini-GBIC):20000 m
- Cisco Compatible 100 Mbps Fiber SFP Transceiver Module SM LC w/ DDM – 40 km (Mini-GBIC):40000 m

Differences highlightedShow differences only

Comparison of SFPF1320C, SFPF1340C
18 specifications	A StarTech.com Cisco Compatible 100 Mbps Fiber SFP Transceiver Module SM LC w/ DDM – 20 km (Mini-GBIC) Model SFPF1320C View product	B StarTech.com Cisco Compatible 100 Mbps Fiber SFP Transceiver Module SM LC w/ DDM – 40 km (Mini-GBIC) Model SFPF1340C View product
Performance1 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rate	100 Mbit/s	100 Mbit/s
Interface type	SFP	SFP
Single-mode fiber (SMF) supported	Yes	Yes
Fiber optic connector	LC	LC
SFP transceiver standard	FX	FX
Maximum transfer distanceDiffers	20000 m	40000 m
Wavelength	1310 nm	1310 nm
Networking standards	IEEE 802.3u	IEEE 802.3u
Duplex system	Full, Half	Full, Half
Certificatesidentical
Compliance certificates	RoHS	RoHS
Weight & dimensionsidentical
Width	9 mm	9 mm
Depth	65 mm	65 mm
Height	14 mm	14 mm
Weight	25 g	25 g
Packaging dataidentical
Package width	45 mm	45 mm
Package depth	100 mm	100 mm
Package height	20 mm	20 mm

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.