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Top 5 FS SFP+ Transceivers to Buy in 2021

October 30, 2021

With the increasing demands for both small and large organizations to upgrade their 10G network connections, SFP+ transceivers are becoming more and more popular than ever before. However, from the insurmountable number of SFP+ modules available in the market today, what are the optimal solutions and upgrades for your network? Find out in this blog featuring FS's best 10G SFP modules in 2021.

What Is SFP+ Module?

The SFP+ (enhanced Small-Form Factor Pluggable) is an enhanced version of the SFP that supports data rates up to 16 Gbit/s. It is a popular industry format supported by many network component vendors and widely used for both telecommunication and data communications applications.

List of Best FS SFP+ Transceivers in 2021

The features and specifications of FS best 10G SFP+ modules in 2021 are described below.

Transceiver Type Wavelength Max Transmission Distance Connector DDM/DOM Power Consumption Temperature Range
10GBASE-SR SFP+ 850nm 300m@OM3/400m@OM4 LC Duplex Supported ≤0.6W -5 to 70°C
10GBASE-T SFP+ / 30m@Cat6a/Cat7 or Better RJ-45 Not Supported ≤2.3W 0 to 70°C
10G BiDi SFP+ 1270nm-TX/1330nm-RX 10km LC Simplex Supported <1.5W 0 to 70°C
10G DWDM SFP+ 1559.79nm 80km LC Duplex Supported <1.8W 0 to 70°C
10G Industrial SFP+ 1310nm 10km LC Duplex Supported <1W -40 to 85°C


  • Compatible with multiple mainstream brands (Cisco, Juniper, Arista, Brocade, etc.) and no more than 0.6W power consumption, FS 10GBASE-SR SFP+ transceiver is a cost-effective solution for short-distance transmission in data centers, enterprise wiring closets, service provider transport applications.

  • FS 10GBASE-T copper transceiver is designed to offer high-performance and low power consumption with a Marvell chip to reach up to 30m over cat6a/cat7 network cables. Also, it is suitable for enterprise networking for LAN applications and other networking places using copper connections.

  • FS 10G BiDi SFP+ transceiver is designed for duplex optical data communications, saving infrastructure costs and fiber resources. Consisting of 1270nm DFB Laser transmitter and 1330nm receiver, this module with SFP+ interface is ideal for 10G Ethernet, 10G Fibre Channel, SDH STM-64 and OTN OTU2e.

  • FS 10G DWDM SFP+ transceiver is able to multiplex multiple DWDM channels into one or two fibers with a power budget of 23dB, extending the bandwidth of network with low cost and long transmission distance. This SFP+ connector is an ideal solution for the DWDM networking equipment in metropolitan access and core networks.

  • FS 10G Industrial SFP+ transceiver supports a wide operating temperature from -40℃ to 85℃ and a high voltage range of 12-48 VDC. This industrial fiber optic transceiver can work in harsh industrial environments, such as oil/gas drilling, mining, marine, rail and intelligent transportation systems (ITSs), etc.

How to Choose FS SFP+ Transceivers?

When choosing optical transceiver module, what aspects should be considered to fully achieve its performance? Here we provide a list of important factors for you to make the optimal choice.

Compatibility

The first factor is to know whether the transceiver is compatible with the specific device you use. Be sure to check compatibility according to the product description and label, and know which brand of equipment can be used. Sometimes user reviews and product documentation should also be considered when choosing the suitable module.

Operating Temperature

The operating temperature of SFP+ modules should be within the desired temperature range to avoid link failure. Also, do not overheat because too high or low temperatures can affect optical sensibility and power. The temperature range of the normal commercial optical transceiver is 0 to 70°C. While the industrial optical transceiver is suitable for -40°C to +85°C, ensuring stable and reliable conversion even in hazardous outdoor areas.

Transmission Distance

It is important to take the max transmission distance of the transceivers into account as well as the distance you need to transmit, as we can see that 10GBASE-SR SFP+ transceivers can only reach up to 300m, while 10G BiDi SFP+ modules can transmit up to 10km. Considering the dispersion during transmission and preparing for subsequent network upgrades/expansion, it is recommended to choose SFP+ transceivers with slightly longer transmission distances than you actually need.

Quality and After-Sales Service

Quality and after-sales service are also significant factors in choosing optical modules. All the 10G SFP+ transceivers from FS have gone through strict quality and performance tests in the top-rated R&D test center, and are qualified with international certifications. FS provides customers with a five-year warranty and 30-day return and exchange services, and you can also get application consultancy of modules from FS after receiving the products.

Budget

Either original brand optical modules from distributors or third-party compatible SFP+ transceivers directly from the suppliers can be purchased by users. Under normal circumstances, there is no difference between the performance of these two kinds of SFP+ interfaces, but the price of the third-party SFP+ connectors is cheaper than OEM transceivers. You can choose suitable 10G modules according to your needs.

FAQs for FS 10G SFP+ Transceivers

Q: Can I use SFP+ cables in SFP ports?

A: Yes, SFP+ cables are compatible with SFP ports and will work fine, and SFP+ ports can accept SFP cables but at a reduced speed of 1 Gbit/s. And an SFP+ transceiver can not be plugged into an SFP port, or the product may be damaged.

Q: What is the difference between SFP+ and SFP?

A: SFP and SFP+ connectors have the same size and appearance but with different speeds. SFP supports 10/1000Mbps Ethernet speed whereas SFP+ is an updated version that supports higher speeds up to 10Gbps. Due to the different data rates, SFP+ typically has a longer transmission distance than SFP.

Q: What is the difference between 10G EML BiDi and DFB BiDi?

A: The difference lies in laser types. DML features a single chip with a simple electrical circuit, making it ideal for circuit designs that require a small footprint and low power consumption. With lower chromatic dispersion, EML is more suitable for high data rate transmission over longer distances.

Q: What is the difference between 10GBASE-T, SFP+ fiber, and SFP+ DAC?

A: Transmission distance is the primary difference between 10GBASE-T, SFP+ fiber, and SFP+ DAC. 10GBASE-T: up to 100m over cat 6a/cat 7 cables; SFP+ optics: up to 300m/MMF and 80km/SMF; SFP+ DAC cables: up to 30m. To learn more: 10GBASE-T vs SFP+ vs DAC: Which to Choose for 10GbE Data Center Cabling?

Q: What compatible brands of FS SFP+ transceivers are available?

A: FS offers high-quality 10G SFP+ transceivers that are compatible with mainstream brands including Cisco, Arista, Juniper, Brocade, Dell, Extreme, HW, Generic, FS, Ciena, etc.

Q: What is your standard turn around time for delivery?

A: FS carries high levels of inventory on SFP+ transceivers and uses automatic order processing system to make sure your order gets to you on time. Orders will be shipped within 24 hours on working days and pickup services are provided from our local warehouse.

Q: What product documentation do you offer?

A: FS can offer product specification sheets, customer use drawings, signal integrity reports, and third-party interoperability reports.

Q: What is the max transmission distance of FS SFP+ module?

A: The max transmission distance of SFP+ transceivers provided by FS is 100km. 10GBASE-ZR SFP+ can transmit up to 100km over SMF.

Q: Can FS 10G SFP+ transceivers support 1/10G dual rate?

A: Yes, there are two dual-rate SFP+ modules on FS. 1000BASE-SX and 10GBASE-SR dual-rate SFP+ transceiver supports 1G up to 550m with OM2 MMF and 10G up to 300m/400m with OM3/OM4 MMF. 1000BASE-LX and 10GBASE-LR dual-rate SFP+ transceiver supports 1G or 10G over 10km with SMF.

Q: What kinds of cable type are needed for FS 10G transceivers?

A: The table below details the type of 10G transceivers and the cable type to be used.

Module Type Cable Type to Be Used
10GBASE-SR Multi-mode Fiber OM3 or OM4
10GBASE-LR, 10GBASE-ER, and 10GBASE-ZR Single-mode Fiber
10GBASE-LRM MMF or SMF
10GBASE-T Copper Cable Cat6a or Cat7

More Information:

SFP-10G-SR vs SFP-10G-LRM vs SFP-10G-LR, Which to Choose?

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