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  • QSFP-40G-SR-BD
  • QSFP-40G-SR-BD
  • QSFP-40G-SR-BD

For Cisco, QSFP-40G-SR-BD 40GBASE-SR4 QSFP+ BIDI Transceiver for MMF, 100M

SKU: Cisco-QSFP-40G-SR-BD SKU1: Cisco-QSFP-40G-SR-BD

Availability: In stock

Regular Price: $288.00

Special Price: $199.00

Volume Price: Inquire
  • Model: QSFP-40G-SR-BD
  • CPN: Q10-SR4-BD
● 40GBase-SR4
● MTP/MPO Connector, MMF
● Wavelength: 850nm/890nm
● 100-Meter/150-Meter
● Use in pairs

● 10Gtek offer Compatible Service
Product Description Shipping & Payment Customer Reviews


10Gtek's QSFP-40G-SR-BD Module is a parallel 40Gb/s Quad Small Form-factor Pluggable (QSFP+) BiDi optical module, terminated with MPO multifiber connectors, and has to be used in pairs. They are compliant with the QSFP+ MSA, IEEE 802.3ba 40GBASE-SR4 and compatible with IEEE 802.3ba 10GBASE-SR. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP+ MSA. The transceiver is RoHS-6 compliant and lead-free per Directive 2011/65/EU. 10Gtek's QSFP-40G-SR4 Bidi Module supports link distances up to 100m using OM3 and 150m using OM4 multimode optical fiber cables. It primarily enables high-bandwidth 40G optical links over ribbon fiber cables terminated with multi-fiber connectors, and could also be used along with ribbon to duplex fiber breakout cables for connectivity to four 10GBASE-SR optical interfaces.

●Compliant to the 40GbE XLPPI electrical specification per IEEE 802.3ba-2010

●Compliant to QSFP+ SFF-8436 Specification

●Power Level 4: Max Power 3.5WClass 1M Eye Safety

●High port density: 21mm horizontal port pitch

●Operates at 10.3125 Gbps per electrical channel with 64b/66b encoded data

●Links up to 100m using OM3 and 150m using OM4 optical fiber

●Operating case temperature: 0ºC~70ºC

●Utilizes a standard LC duplex fiber cable allowing reuse of existing cable infrastructure


●Rack to rack

●Data Center

●Infiniband QDR, DDR and SDR4

●40G Ethernet

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 Cisco, QSFP-40G-SR-BD 40GBASE-SR4 QSFP+ BIDI Transceiver for MMF, 100M
Free shipping on orders over $800.