100G CFP4 VS 100G QSFP28 Optical Transceiver
With the advent of the 5th generation (5G) communication, 100G is becoming more and more familiar to us, but we really know 100G optical module?
Compared with the 100G CFP4 optical module and the 100G QSFP28 optical module, which packaging has more advantage?More popular?Today we will compare and analyze them in detail.
QSFP28 optical module
QSFP28 optical module belongs to a kind of 100G optical module which is a mainstream on the market at present.QSFP28 optical module provides four different signal channels, the transmission rate increased from 25Gbps to 40Gbps.QSFP28 optical module is smaller than other 100G modules, so it is getting more and more attention.
CFP4 optical module
The 100G CFP optical module, also known as 100G client module, it is a pluggable module with external packaging and supports hot pluggable module.
CFP series optical modules go through the development of CFP and CFP2 since their introduction. Now, CFP4 optical module have been successfully launched and received widely praise.
Performance comparison between 100G QSFP28 and 100G CFP4 optical module
(1) port density
CFP4 optical module is the latest generation of 100G optical module in CFP, compared with the QSFP28 optical module, even if its width is a quarter of the size of the first generation CFP, but the packaging style still is bigger than QSFP28 optical module, so QSFP28 optical module is superior on the utilization of port.
(2) high density wiring
The 100G QSFP28 optical module uses four optical fiber channels to transmit data, and the transmission rate of each optical fiber channel can reach up to 28Gbps, which is mainly used for 100G transmission applications.Compared with 100G CFP4 optical module, 100G QSFP28 optical module is more suitable for high-density wiring, and most data centers prefer to select 100G QSFP28 optical module.
(3) classification of optical module
The 100G QSFP28 optical module and 100G CFP4 optical module are respectively derived multiple categories. I will show the categories between them in the form of a table below:
100G CFP4
Optical module |
Interface type |
Optical fiber type |
Transmission distance |
100G CFP4 SR4 |
LC duplex |
Multi-mode |
100m(OM3) |
100G CFP4 LR4 |
LC duplex |
Single mode |
10KM |
100G CFP4 ER4 |
LC duplex |
Single mode |
40KM |
100G QSFP28
Optical module |
Interface type |
Optical fiber type |
Transmission distance |
100G QSFP28 SR4 |
MTP |
Multi-mode |
70m(OM3);100m(OM4) |
100G QSFP28 LR4 |
LC duplex |
Single mode |
10KM |
100G QSFP28 ER4 |
LC duplex |
Single mode |
40KM |
100G QSFP28 PSM4 |
MTP |
Single mode |
500KM |
100G QSFP28 CWDM4 |
LC duplex |
Single mode |
2KM |
I believe through contrastive analysis in this article, it is very clearly show that the overall cost performance of 100G QSFP28 optical modules in the product performance, 100G QSFP is an advantage in price.If you want to know more about our products, please visit our website: www.etulinktechnology.com.
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