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For Arista QSFP-100G-CWDM4, 100GBASE-CWDM4 QSFP Optics Module, up to 2km over duplex SMF

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For Arista QSFP-100G-CWDM4, 100GBASE-CWDM4 QSFP Optics Module, up to 2km over duplex SMF


Availability: In stock

Volume Price: Inquire
  • Model: ALQ28-CW4-02
  • CPN: Q28-CW4
● For Arista QSFP-100G-CWDM4
● 100G QSFP28-CWDM4                                                                                        
● Duplex LC connector  
● wavelength:1271,1291,1311,and 1331nm
● 2km
Product Description Shipping & Payment Customer Reviews


For Arista QSFP-100G-CWDM4 optical transceiver is a high performance, pluggable, four-channel QSFP28 optical transceiver designed for linkage of 100Gbps Ethernet up to 2 km via a single mode fiber. The data is transmitted bi-directionally with aggregate bandwidth of 100Gbps by four coarse WDM wavelength normally at 1271, 1291, 1311, and 1331nm. The optical interface is composed of a single mode optical cable with a standard duplex LC connector.

  • For Arista QSFP-100G-CWDM4
  • Compliant to IEEE 802.3bm electrical specifications Clause 83E (CAUI-4)
  • Compliant to CWDM4 MSA
  • Compliant to QSFP28 MSA Specifications, including SFF-8665 Rev. 1.9
  • Up to 2km link length over single mode fiber at 100Gbps
  • Duplex LC receptacles
  • Low power consumption: Max. 3.5W
  • BER better than 10-12 with FEC-Off
  • I²C Management Interface
  • Hot pluggable electrical interface
  • 0 to 70°C case temperature operating range
  • Hot pluggable electrical interface
  • RoHS-6 Compliant (lead-free)
  • For Arista QSFP-100G-CWDM4
  • 100GBASE Ethernet links up to 2km over SMF  
  • InfiniBand EDR, FDR, & QDR                        
  • HPC Interconnects                              
  •  Proprietary Interconnections
Shipping Methods

Global Shipping

Together with SFPcables, there is a Global Delivery from us like no others. We will not only delivery the correct shipment, but also for more things for an efficient and flexible way of business cooperation with our partners.
SFPcables.com ship worldwide to nearly every country across the globe, covering North and South America, Europe, Asia, Africa, Oceania, and more. We employ the services of major, trusted international carriers to ensure your package arrives to your destination safely and securely.

38 Country Free shipping

Online orders exceed $800.00 to following countries can enjoy Free Shipping;
Asia: Philippines, South Korea, Singapore, Brunei, Taiwan, Malaysia, Thailand, Japan, Indonisia, Indonesia, Kampuchea, Laos, Vietnam
North America: United States, Canada, Mexico
Oceania: Australia, New Zealand
Eastern Europe: Bulgaria, Estonia, Latvia, Lithuania, Slovakia, Romania
Southern Europe: Slovenia, Greece, Spain, Portugal, San Marino, Italy
Central Europe: Slovenia, Germany, Poland, Czech, Slovakia, Hungary, Austria, Switzerland
Western Europe: Belgium, Britain, Ireland, Netherlands, Luxemburg, France
Northern Europe: Sweden, Denmark, Finland, Norway

Typically, we use DHL and UPS to deliver your goods. Shipping methods are not fixed, they may vary according to country location, order amount, customer requirements, etc.

Payment Methods

Payment methods available at SFPcables.com include:

  • PayPal and PayPal Express
  • Bank to bank wire transfers (T/T)
  • Western Union
Warranty & Service

Warranty Policy:

Warranty Service Pack1*:     All 10Gtek's products share 1-year standard warranty.
Warranty Service Pack2*:     Enhanced Item (Apply to Online order at SFPcables.com)

DAC Cables (Passive) 3-Year Warranty
DAC Cables (Active) 3-Year Warranty
AOC Cable 3-Year Warranty
Fiber Optic Transceivers 3-Year Warranty (1G, 10G)
1.5-Year Warranty (25G, 40G, 100G, 200G)
Switch, Convertors 1-Year Warranty
NIC/CNA Cards 1-Year Warranty
Optical System 1-Year Warranty
Patch Cords 3-Year Warranty
Power Adapter
0.5-Year Warranty
Consumer cable 3-Month

15-Day money back Guarantee

15-Day money back guarantee applies to all products sold by SFPcables.com provided that the items are new, undamaged, unmodified and in good resalable condition. If you are not satisfied with the product, you can apply return within 15 days.
All freight charges, transaction costs (bank charge or Paypal cost, etc) are the responsibility of the customer.

Returns are not acceptable if:
  1. The products are proved to have been abused, misused, replaced, repaired, or modified.
  2. After 15 days of delivery, returns are not acceptable. If the items are still under warranty period, customer could ask for repair or replacement. 
  3. No Return agreement was reached with a SFPcables.com sales representative before Returns.
  4. Return process is not done based on SFPcables.com Return instructions.



The logos, products and/or company names referred to herein is for informational purposes only, merely indicating that 10Gtek’s products can be compatible with the mentioned products. The logo 10Gtek is a registered trademark of 10GTEK TRANSCEIVERS CO., LTD.

10GTEK TRANSCEIVERS CO., LTD. All Rights Reserved.


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For Arista QSFP-100G-CWDM4, 100GBASE-CWDM4 QSFP Optics Module, up to 2km over duplex SMF
Free shipping on orders over $800.