Product comparison · 2 network transceiver modules

StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm vs StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm

28specifications compared
11differ
17identical
3known for one product only

Key differences

The StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm has 5,801,842 h more mean time between failures (MTBF) than the StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm (8805142 h vs 3003300 h). The StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm has 0.5 W more power consumption (typical) than the StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm (4 W vs 3.5 W). The StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm has 0.6 mm more width than the StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm (19 mm vs 18.4 mm). Fiber optic connector: LC on the StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm, MPO on the StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm. SFP transceiver standard: SR on the StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm, SR4 on the StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm.

Fiber optic connector
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:LC
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:MPO
SFP transceiver standard
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:SR
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:SR4
Duplex system
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:Full, Half
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:Full
Mean time between failures (MTBF)
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:3003300 h
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:8805142 h
Brand compatibility
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:Cisco
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:MSA Compliant
Power consumption (typical)
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:4 W
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:3.5 W
Width
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:19 mm
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:18.4 mm
Depth
- Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm:117.6 mm
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:120 mm

Side by side

Differences highlightedShow differences only

Comparison of QSFP-100G-SR12-ST, QSFP-100G-SR4-S-UST
31 specifications	A StarTech.com Cisco QSFP-100G-SR1.2 Compatible QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nm/900nm Model QSFP-100G-SR12-ST View product	B StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm Model QSFP-100G-SR4-S-UST View product
Performance3 differ
Fiber optic connectorDiffers	LC	MPO
SFP transceiver standardDiffers	SR	SR4
Tx wavelength (max)Known for one	850 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	900 nm	Unknown — not stated by the source
Duplex systemDiffers	Full, Half	Full
WavelengthKnown for one	Unknown — not stated by the source	850 nm
Features2 differ
Mean time between failures (MTBF)Differs	3003300 h	8805142 h
Brand compatibilityDiffers	Cisco	MSA Compliant
Power1 differ
Power consumption (typical)Differs	4 W	3.5 W
Weight & dimensions2 differ
WidthDiffers	19 mm	18.4 mm
DepthDiffers	117.6 mm	120 mm
Packaging data3 differ
Package widthDiffers	180 mm	112 mm
Package depthDiffers	127 mm	90 mm
Package heightDiffers	48 mm	32 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.

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