# Cisco QSFP-40G-SR4= network transceiver module Fiber optic 40000 Mbit

> Price comparison in United Kingdom (GBP). Lowest price right now: **£1,935.42** at PCHUB.UK, in stock. 1 offer from 1 shop. Checked 2026-10-11T21:08:20Z.

## Product
- Brand: Cisco
- Category: [Computers & accessories](https://pricuro.com/uk/computers.md) > [Networking & Wi-Fi](https://pricuro.com/uk/computers/networking-wifi.md)
- EAN/GTIN: 0882658439759
- Manufacturer part number: QSFP40GSR4
- Page: https://pricuro.com/uk/p/cisco-qsfp-40g-sr4-network-transceiver-module-fiber-optic-40000-mbit-498400
- Image: https://pricuro.com/img/498400/800/cisco-qsfp-40g-sr4-network-transceiver-module-fiber-optic-40000-mbit.webp

## Offers (1, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | PCHUB.UK | £1,935.42 | see shop | – | in stock | new | https://pricuro.com/go/2296240 |

## Price history (lowest price per day in United Kingdom, tracked since 2026-10-03, 9 days)

- Lowest price today: £1,935.42
- Last 30 days: lowest £1,928.93, highest £1,937.30, average £1,932.07
- All-time low on Pricuro: £1,928.93 (2026-10-07)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-03 | £1,929.91 |
| 2026-10-04 | £1,929.91 |
| 2026-10-05 | £1,934.67 |
| 2026-10-06 | £1,934.67 |
| 2026-10-07 | £1,928.93 |
| 2026-10-08 | £1,928.93 |
| 2026-10-09 | £1,928.93 |
| 2026-10-10 | £1,937.30 |
| 2026-10-11 | £1,935.42 |

## Specifications


Description (from a shop): The Cisco® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center. high-performance computing 00networks. enterprise core and distribution layers. and service provider applications.Cisco QSFP-40G-SR4-S (S-Class)The S-Class Cisco 40GBASE-SR4-S QSFP module supports link lengths of 100 and 150 meters. respectively. on laser-optimized OM3. and OM4/OM5 multimode fibers. QSFP-40G-SR4-S is aligned to IEEE 40GBASE-SR4 optical specifications which support high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber female connectors. Because the…

## Other variants

- [Cisco QSFP-40G-SR4-S= network transceiver module Fiber optic 40000 Mbi](https://pricuro.com/uk/p/cisco-qsfp-40g-sr4-s-network-transceiver-module-fiber-optic-40000-mbi-51304.md) – from £1,102.97
- [Cisco QSFP-40G-SR-BD= network transceiver module Fiber optic 40000 Mbi](https://pricuro.com/uk/p/cisco-qsfp-40g-sr-bd-network-transceiver-module-fiber-optic-40000-mbi-51298.md) – from £723.19
- [Cisco QSFP-40G-LR4-S= network transceiver module Fiber optic 40000 Mbi](https://pricuro.com/uk/p/cisco-qsfp-40g-lr4-s-network-transceiver-module-fiber-optic-40000-mbi-51310.md) – from £6,980.78
- [Cisco QSFP-40G-CSR-S= network transceiver module Fiber optic 40000 Mbi](https://pricuro.com/uk/p/cisco-qsfp-40g-csr-s-network-transceiver-module-fiber-optic-40000-mbi-52421.md) – from £1,281.56
- [Cisco QSFP-100G-SR4-S= network transceiver module Fiber optic 100000 M](https://pricuro.com/uk/p/cisco-qsfp-100g-sr4-s-network-transceiver-module-fiber-optic-100000-m-51318.md) – from £1,281.56
- [Cisco SFP-10G-SR network transceiver module Fiber optic 10000 Mbit/s S](https://pricuro.com/uk/p/cisco-sfp-10g-sr-network-transceiver-module-fiber-optic-10000-mbit-s-s-618693.md) – from £642.79
- [Cisco QSFP-40/100-SRBD= network transceiver module Fiber optic 100000](https://pricuro.com/uk/p/cisco-qsfp-40-100-srbd-network-transceiver-module-fiber-optic-100000-52411.md) – from £1,281.56
- [Cisco SFP-10G-SR-I= network transceiver module Fiber optic 10000 Mbit](https://pricuro.com/uk/p/cisco-sfp-10g-sr-i-network-transceiver-module-fiber-optic-10000-mbit-505485.md) – from £518.00
- [Cisco QSFP-100G-FR-S= network transceiver module Fiber optic 100000 Mb](https://pricuro.com/uk/p/cisco-qsfp-100g-fr-s-network-transceiver-module-fiber-optic-100000-mb-52384.md) – from £1,631.78
- [Cisco QSFP-100G-SM-SR= network transceiver module Fiber optic 100000 M](https://pricuro.com/uk/p/cisco-qsfp-100g-sm-sr-network-transceiver-module-fiber-optic-100000-m-498669.md) – from £2,891.31
- [Cisco SFP-10G-ER-S network transceiver module Fiber optic 10000 Mbit/s](https://pricuro.com/uk/p/cisco-sfp-10g-er-s-network-transceiver-module-fiber-optic-10000-mbit-s-51307.md) – from £5,065.33

## Similar products

- [Synology DiskStation DS1825+ NAS/storage server Ryzen Embedded V1500B](https://pricuro.com/uk/p/synology-diskstation-ds1825-nas-storage-server-ryzen-embedded-v1500b-227037.md) – from £1,231.24, 2 shops

---
Source: Pricuro (https://pricuro.com), an independent price comparison for United Kingdom. Canonical page: https://pricuro.com/uk/p/cisco-qsfp-40g-sr4-network-transceiver-module-fiber-optic-40000-mbit-498400
Prices include VAT and were checked at the time stated above; they can change at any moment, the shop's price at checkout applies. Links marked "Buy" lead to the shop; Pricuro may earn a commission, which never affects the order of offers (sorted by total price).
When citing, please link the canonical page. Overview of the site for assistants: https://pricuro.com/llms.txt