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StarTech.com MSA Uncoded QSFP+ Module - 40GBASE-SR4 - Multi Mode Fiber (MMF) - 40GE Gigabit Ethernet QSFP+ - MPO 300m - 850nm ~MSA Uncoded QSFP+ Module - 40GBASE-SR4 - Multi Mode Fiber (MMF) - 40GE...

STARTECH.COM  |  SKU: QSFP-40G-ESR4-ST
Fast 24 to 72 hour delivery across Canada Get it between Wed 05 and Fri 07 Aug

Stock: 8 units

Volume discount when you add 3+ units
$52.72 1 – 2 units
$52.19 3 – 5 units
$51.66 6 – 10 units
Best price
$51.13 11+ units

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Description

Product overview

40 Gbps | Multi Mode Fiber | MPO | 300 m (984 ft) | Lifetime Warranty The QSFP-40G-ESR4-ST is an MSA compatible fiber transceiver module that has been designed, programmed and tested to work with MSA brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBASE-SR4 compliant networks, with a maximum distance of up to 300 m (984 ft). Technical Specifications: • Wavelength: 850nm • Maximum Data Transfer Rate: 40 Gbps • Type: Multi Mode Fiber • Connection Type: MPO • Maximum Transfer Distance: 300 m (984 ft) • MTBF: 498,745,585 hours • Power Consumption: Low power consumption • Digital Diagnostics Monitoring (DDM): Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & QSFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of QSFP+ modules and direct-attach QSFP+ cables, providing the convenience and reliability you need to ensure dependable network performance. The StarTech.com Advantage

Why choose the StarTech.com MSA Uncoded QSFP+ Module - 40GBASE-SR4 - Multi...?

The StarTech.com MSA Uncoded QSFP+ Module - 40GBASE-SR4 - Multi Mode... is a network transceiver modules from StarTech.com, selected for Canadian businesses that need reliable, specification-accurate hardware. Key figures at a glance — SFP transceiver type: Fiber optic; Maximum data transfer rate: 40000 Mbit/s; Interface type: QSFP+. Every listing at FullOffice.ca is built from verified manufacturer data, so what you read here is what ships to you.

Highlights

100% MSA UNCODED COMPATIBLE: Designed, programmed and tested to work with compatible MSA UNCODED switches and routers to deliver reliable 40GbE connectivity
TECHNICAL SPECS: 40GBASE-SR4 / 40 Gbps / Multi Mode / MPO Connector / 850nm / Distances up to 300 m (984 ft)
TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in MSA compliant routers and switches
WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules
QSFP+ Fiber optic 40000 Mbit/s
Wavelength: 850 nm
Hot-swap

Key benefits

  • Verified manufacturer specifications — no guesswork before you buy
  • Ships from Canada: 24 to 72 hours to major centres, 3 to 8 business days elsewhere
  • Volume pricing available for business and reseller accounts
  • Support by phone, WhatsApp or email before and after your purchase

Recommended use cases

  • Structured cabling and network closets
  • Data centre and server room links
  • Branch office connectivity
  • Campus and building-to-building runs

Recommended industries

IT & MSPEducationHealthcareGovernmentManufacturing

Specifications

Specification Detail
SFP transceiver type Fiber optic
Maximum data transfer rate 40000 Mbit/s
Interface type QSFP+
Multi-mode fiber (MMF) supported Yes
Fiber optic connector MPO
SFP transceiver standard SR4
Maximum transfer distance 300 m
Wavelength 850 nm
Fiber ethernet cabling technology 40GBASE
Digital Diagnostics Monitoring (DDM) Yes
Product colour Silver
Hot-swap Yes
Mean time between failures (MTBF) 498745585 h
Certification CE, FCC, UL
Width 122 mm
Depth 18.6 mm
Height 8.5 mm
Weight 37.5 g
Quantity per pack 1 pc(s)
Package width 92 mm
Package depth 117 mm
Package height 34 mm
Package weight 75 g
Master (outer) case width 90 mm
Master (outer) case length 115 mm
Harmonized System (HS) code 85369010
Master (outer) case height 31 mm
Products per master (outer) case 100 pc(s)
Brand StarTech.com
Manufacturer part number QSFP-40G-ESR4-ST
GTIN / UPC ['0065030886352', '065030886352']

Frequently asked questions

How long does delivery take?

Orders are processed within 24 hours. Once your tracking number is issued, delivery takes 24 to 72 hours to major centres in the main provinces, and 3 to 8 business days to remote regions. We ship with FedEx, DHL, UPS, Canada Post and Purolator.

Is this product covered by a warranty?

Yes. This item carries the manufacturer's warranty. See our Refund Policy for return windows and conditions, or contact us and we will walk you through the process.

Can I get volume pricing?

Yes. Volume discounts apply automatically as quantity increases, and our team can quote larger projects directly — reach us by phone, WhatsApp or email.

Do the specifications on this page come from the manufacturer?

They do. Product data on this page is sourced from the manufacturer's own catalogue, not rewritten from a distributor summary.

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