40G QSFP+ LX4 150 m, λ1271-1331 nm, LC-Duplex, Single-/Multimode

Universal QSFP+ Transceiver
Use FLEXBOX to configure to almost any vendor
For 40GBASE-LX4 Ethernet links
Supported Data Rates: 41.2 Gbit/s - 44.4 Gbit/s
Up to 150 m via Multimode OM3 and 2 km via Singlemode OS2
LC-Duplex Connector
Specs
  • int. Mux
  • 150 m
  • 44.4 G
  • LC
Protocols
  • 40G ETH
  • OTU3
  • OTU3e2
Request compatibility
Part number
Q.1640G.03
In stock
47 pcs
Back In Stock
Estimated arrival of additional items.
Our order confirmation will provide the final shipping date.
  • ~Feb 25, 2025
    +200 pcs

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Specification

Form Factor QSFP+
Connector / Polish LC-Duplex PC
Interface Single-/Multimode
Compliance Code LX4
Distance 150 m
Temperature Range 0°C - 70°C
Lane Count 4x (Tx/Rx)
Bandwidth 41.2 Gbit/s - 44.4 Gbit/s
Bandwith Per Lane 10.3 Gbit/s - 11.1 Gbit/s
Digital Diagnostic Management (DDM) Yes, internally calibrated
Power Consumption 3.5 W
CDR none
SGMII No
Inbuilt FEC No
Powerbudget (dB) 4.5 dB
Transmit min/max per lane -7 dBm / 2.3 dBm
Receiver min/max per lane -11.5 dBm / 2.3 dBm (overload) @40G
Wavelength TX (Typical) 1271 nm, 1291 nm, 1311 nm, 1331 nm
Wavelength RX (Typical) 1271 nm, 1291 nm, 1311 nm, 1331 nm
Laser DFB
Receiver Type PIN
Modulation NRZ @40G
Extinction Ratio 3.5 dB
Supported Protocols 40G Ethernet, OTU3, OTU3e2

Transceiver Configuration with FLEXBOX

It's that easy to use
Insert Transceiver into FLEXBOX
1. Insert Into FLEXBOX
Select and Configure
2. Select And Configure
  • Choose vendor and compatibility
  • Press play
  • Configuration only takes a few seconds
Use with Device
3. Use With Device
  • Use the transceiver in your device. That's it!
  • Need it for another device? - Re-configure it again and again
How to get your free FLEXBOX

Compatibility

All trademarks, registered companies & references cited are the sole property of their respective company and are used solely to assist in the identification of products.

  • MSA Standard compatible
  • A10networks AXSK-QSFP-SR compatible
  • Alcatel-Lucent Ent. QSFP-40G-SR compatible
  • Arista 3rd_Party 40GBASE-LRL4 compatible
  • Arista 40GBASE-LRL4 compatible
  • Avaya (ex. Nortel) AA1404002-E6 compatible
  • Brocade 40G-QSFP-LM4 compatible
  • Chelsio # 13013 compatible
  • Cisco Systems QSFP-40G-SR4 compatible
  • Dell (ex. Force10) GP-QSFP-40GE-1LR compatible
  • Dell 407-BBRC compatible
  • Edge Core ET6401-SR4 compatible
  • Extreme (ex. Enterasys) # 13015 compatible
  • Extreme 10334 compatible
  • F5 Networks OPT-0025 compatible
  • Fortinet FG-TRAN-QSFP+LR compatible
  • Gigamon QSB-502A40G0900# compatible
  • HP H3C JL251A compatible
  • Huawei QSFP-40G-LX4 compatible
  • IBM Storage 49Y7884 compatible
  • Intel E40GQSFPSR compatible
  • Juniper JNP-QSFP-40G-LX4 compatible
  • MikroTik Q+85MP01D compatible
  • MRV # 13021 compatible
  • Netgear AXLM762 compatible
  • NetOptics QSFP+KT-50SR4 compatible
  • Nvidia (ex. Mellanox) MC2210411-SR4 compatible
  • Packetlight QSFP+-SR-1102 compatible
  • Palo Alto Networks PAN-QSFP-40GBASE-LR4 compatible
  • Quanta # 13023 compatible
  • Radware # 13024 compatible
  • Solarflare QSFP+ MMR4 compatible
Your vendor / compatibility is missing?

What customers say

Before we knew FLEXOPTIX, we always stocked various types of transceivers from different brands. Now, several years later, we have completely switched to FLEXOPTIX's universal transceivers since we can simply brand these ourselves using the FLEXBOX. Along with their broad product range and very fast shipping, they are an awesome company to deal with!
Jeffrey Bosma XS News , Sr. System & Network Engineer
After many years of using clumsy EEPROM programmers, soldering irons, hammers etc. to make SFP modules work properly, now FLEXBOX allows me to do the same thing in a fraction of time. I only hope my boss doesn't find out I have so much free time now!
Adil Demiri CTO, SGN d.o.o.
Absolutely Flawless! Ultrafast delivery and real plug & play from start to finish. Now we're able to react on needs much quicker thanks to the FLEXBOX. Having Universal Transceiver on stock and instantly program them to customer's need is amazing.
Elmar Gruber H82 medientechnik GmbH
When in possession of the Flexbox it becomes and indispensable tool in general, and also specifically in managing remote Mobile Base Stations fiber connectivity. Using the Flexbox either with PC or Smartphone is really plug and play with no annoying incompatibility issues at all. The Flexbox together with ease of order and superior delivery times makes it literally unnecessary for us having any significant SFP stock.
Terji Leitisstein Hansen RAN Manager, Vodafone FO
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