£896.39

StarTech .com QSFP40GLR4ST Cisco Compatible QSFP+ Transceiver Module

Silver, QSFP40GLR4ST

Price data last checked 135 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

Same price for 12 weeks. Today is much like next week.

£896 for 87 days straight · last change was Nov 2025

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 596 days • 596 data points (No recent data available)

Historical
Generating forecast...
£1,567.52 £0.00 £343.95 £687.91 £1,031.86 £1,375.81 £1,719.77 11 June 2024 06 November 2024 04 April 2025 31 August 2025 27 January 2026

Price Distribution

Price distribution over 596 days • 4 price ranges

Days at Price
Current Price
455 days 87 days · current 4 days 50 days 0 114 228 341 455 £45-350 £654-959 £959-1263 £1263-1568 Days at Price

Price Analysis

Most common range: £45-350 (455 days, 76.3%)

Price range: £45 - £1568

Price levels: 4 price ranges over 596 days

Key Features

Delivers reliable 40 Gigabit Ethernet connections for 40GBase-LR4 compliant networks

100% Cisco compatible, equivalent to the Cisco QSFP-40G-LR4

Backed by lifetime warranty and free lifetime technical support

Meets or exceeds OEM specifications and MSA (Multi-Source Agreement) industry standards

Supports Digital Diagnostics Monitoring (DDM / DOM)

Color: Silver

TECHNICAL SPECS: 40GBASE-LR4

40 Gbps

Product Specifications

Colour
Silver
Size
Single
Format
Personal Computers
Domain
Amazon UK
Release Date
22 August 2019
Listed Since
07 January 2017

Barcode

No barcode data available

Similar Products You Might Like

StarTech.com Cisco SFP-10G-LR Compatible SFP+ Module - 10GBASE-LR - 10GbE SMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 10km - 1310nm - DDM Cisco Firepower, ASR9000, C9300 (SFP10GLRST)
98% match

StarTech.com Cisco SFP-10G-LR Compatible SFP+ Module - 10GBASE-LR - 10GbE SMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 10km - 1310nm - DDM Cisco Firepower, ASR9000, C9300 (SFP10GLRST)

StarTech

£268.89 17 Mar 2026
StarTech.com QSFP40GLR4S Cisco Compatible QSFP+ Transceiver Module, Silver
98% match

StarTech.com QSFP40GLR4S Cisco Compatible QSFP+ Transceiver Module, Silver

StarTech

£854.39 30 Jan 2026
StarTech.com Cisco SFP-10G-LR-S Compatible SFP+ Module - 10GBASE-LR - 10GbE Single Mode Fiber SMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ LC 10km - 1310nm - DDM Cisco Firepower (SFP10GLRSST)
98% match

StarTech.com Cisco SFP-10G-LR-S Compatible SFP+ Module - 10GBASE-LR - 10GbE Single Mode Fiber SMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ LC 10km - 1310nm - DDM Cisco Firepower (SFP10GLRSST)

StarTech

£267.11 18 Mar 2026
QSFP+ Transceiver Module, 100 m Max Transfer Distance
98% match

QSFP+ Transceiver Module, 100 m Max Transfer Distance

Cisco

£1,189.73 27 Jan 2026
StarTech.com MSA Uncoded Compatible SFP Module - 100BASE-ZX - 100MbE Single Mode Fiber (SMF) Optic Transceiver - 100Mb Ethernet SFP - LC 80km - 1550nm - DDM (SFP100BZXST)
98% match

StarTech.com MSA Uncoded Compatible SFP Module - 100BASE-ZX - 100MbE Single Mode Fiber (SMF) Optic Transceiver - 100Mb Ethernet SFP - LC 80km - 1550nm - DDM (SFP100BZXST)

StarTech

£21.59 26 Jan 2026
StarTech.com HPE J9151E Compatible SFP+ Module - 10GBASE-LR - 10GbE Single Mode (SMF) Fiber Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 10km - 1310nm - DDM HPE 2930F, 8325, 3810M (J9151E-ST)
98% match

StarTech.com HPE J9151E Compatible SFP+ Module - 10GBASE-LR - 10GbE Single Mode (SMF) Fiber Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 10km - 1310nm - DDM HPE 2930F, 8325, 3810M (J9151E-ST)

StarTech

£163.97 11 Jan 2026
StarTech.com ARISTA NETWORKS SFP-1G-T COMP SFP MODULE - COPPER TRANSCEIVER
98% match

StarTech.com ARISTA NETWORKS SFP-1G-T COMP SFP MODULE - COPPER TRANSCEIVER

StarTech

£35.97 08 Jan 2026
StarTech.com GLCZXSMRGDST Cisco Compatible SFP Transceiver Module - 1000BASE-ZX
97% match

StarTech.com GLCZXSMRGDST Cisco Compatible SFP Transceiver Module - 1000BASE-ZX

StarTech

£200.39 14 Jan 2026
StarTech.com Extreme Networks 10301-T Compatible SFP+ Module - 10GBASE-T - SFP+ to RJ45 Cat6/Cat5e - 10GE Gigabit Ethernet SFP+ - RJ-45 30m - (10301-T-ST)
97% match

StarTech.com Extreme Networks 10301-T Compatible SFP+ Module - 10GBASE-T - SFP+ to RJ45 Cat6/Cat5e - 10GE Gigabit Ethernet SFP+ - RJ-45 30m - (10301-T-ST)

StarTech

£164.98 12 Apr 2026
StarTech.com MSA Uncoded Compatible SFP Module - 1000BASE-TX - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m -(SFP1000TXST)
97% match

StarTech.com MSA Uncoded Compatible SFP Module - 1000BASE-TX - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m -(SFP1000TXST)

StarTech

£45.44 11 Jan 2026
StarTech.com Brocade 95Y0549 Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - (95Y0549-ST)
97% match

StarTech.com Brocade 95Y0549 Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - (95Y0549-ST)

StarTech

£42.84 08 Jan 2026
StarTech.com Palo Alto Networks CG Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - (CG-ST)
97% match

StarTech.com Palo Alto Networks CG Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - (CG-ST)

StarTech

£48.33 11 Jan 2026
StarTech.com HP 813874-B21 Compatible SFP+ Transceiver Module - 10GBASE-T
97% match

StarTech.com HP 813874-B21 Compatible SFP+ Transceiver Module - 10GBASE-T

StarTech

£186.87 18 Mar 2026
TP-Link 10GBase-LR SFP+ LC Transceiver, Supports Digital Diagnostic Monitoring (TL-SM5110-LR)
97% match

TP-Link 10GBase-LR SFP+ LC Transceiver, Supports Digital Diagnostic Monitoring (TL-SM5110-LR)

TP-Link

£43.75 13 Jan 2026
StarTech.com SFP10GSRSST Cisco SFP-10G-SR-S Compatible SFP+ Transceiver Module - 10GBASE-SR, silver, single
97% match

StarTech.com SFP10GSRSST Cisco SFP-10G-SR-S Compatible SFP+ Transceiver Module - 10GBASE-SR, silver, single

StarTech

£38.29 07 Jan 2026
StarTech.com MSA Uncoded SFP Module - 1000BASE-BX - 1 Gigabit Ethernet BiDi Fiber Single Strand SFP Transceiver - LC 10km - MSA Compliant (SFP1000BXUST)
97% match

StarTech.com MSA Uncoded SFP Module - 1000BASE-BX - 1 Gigabit Ethernet BiDi Fiber Single Strand SFP Transceiver - LC 10km - MSA Compliant (SFP1000BXUST)

StarTech

£71.06 07 Jan 2026
StarTech.com Juniper SFP-1GE-LH Compatible SFP Module - 1000BASE-ZX - 1GbE Single Mode Fiber SMF Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 80km - 1550nm - DDM (SFP1GELHST)
97% match

StarTech.com Juniper SFP-1GE-LH Compatible SFP Module - 1000BASE-ZX - 1GbE Single Mode Fiber SMF Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 80km - 1550nm - DDM (SFP1GELHST)

StarTech

£100.45 14 Jan 2026
StarTech.com Juniper SFP-1GE-FE-E-T Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - (SFP1GEFEETST)
97% match

StarTech.com Juniper SFP-1GE-FE-E-T Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - (SFP1GEFEETST)

StarTech

£33.33 10 Jan 2026
StarTech.com Dell EMC SFP-10G-USR Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 150m - 850nm - DDM (SFP10GUSREMS)
97% match

StarTech.com Dell EMC SFP-10G-USR Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 150m - 850nm - DDM (SFP10GUSREMS)

StarTech

£111.63 07 Jan 2026
StarTech.com Cisco SFP-25G-LR-S Compatible SFP28 Module, 25Gb Single Mode Fiber (SMF), 25GbE 10km (6.2mi), LC Transceiver
97% match

StarTech.com Cisco SFP-25G-LR-S Compatible SFP28 Module, 25Gb Single Mode Fiber (SMF), 25GbE 10km (6.2mi), LC Transceiver

StarTech

£136.42 24 Jan 2026
StarTech.com HPE JD119B Compatible SFP Module - 1000BASE-LX - 1GbE Single Mode (SMF) Fiber Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 10km - 1310nm - DDM HPE 5900, 12500, 5500 (JD119BST)
97% match

StarTech.com HPE JD119B Compatible SFP Module - 1000BASE-LX - 1GbE Single Mode (SMF) Fiber Optic Transceiver - 1GE Gigabit Ethernet SFP - LC 10km - 1310nm - DDM HPE 5900, 12500, 5500 (JD119BST)

StarTech

£47.55 11 Jan 2026
StarTech.com HPE J9153A Compatible SFP+ Module - 10GBASE-ER - 10GbE Single Mode (SMF) Fiber Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 40km - 1550nm - DDM HPE 2530, 2540, 2910al (J9153A-ST)
97% match

StarTech.com HPE J9153A Compatible SFP+ Module - 10GBASE-ER - 10GbE Single Mode (SMF) Fiber Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 40km - 1550nm - DDM HPE 2530, 2540, 2910al (J9153A-ST)

StarTech

£335.40 10 Jan 2026