Terminology » Fiber Optic » CPAK vs QSFP28: Understanding the Key Differences

CPAK vs QSFP28: Understanding the Key Differences

cpak
qsfp28
fiber optic
transceiver
optical component

This page compares CPAK vs QSFP28 and mentions the difference between CPAK and QSFP28.

CPAK transceiver

Figure 1 depicts the CPAK transceiver.

QSFP28

Figure 2 depicts the dimension of QSFP28.

SpecificationsCPAKQSFP28
Line rate40/100 G4 x 25 - 28G
ApplicationsEthernet, SONET/SDH, OTNInfiniBand, Ethernet
Hot pluggableYESYES
Dimensions (W x L x H, mm)8 x 101.2 x 1118 x 52 x 8.5
Electrical interfaceCAUI-4, CAUICPPI-4
Max. powerNot Defined3.5 W
CPAK vs CFP: Understanding the Key Differences

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