QFX-QSFP-40G-SR4
40GBASE-SR4 QSFP+ transceiver, 850 nm, multimode, MPO-12
- Genuine Juniper
- New, factory sealed
- Pay by card, PayPal or T/T
T/T bank transfer
- Tax invoiceIssued by Rabash Technologies Pte. Ltd., Singapore
QFX-QSFP-40G-SR4 at a glance
- 40GBASE-SR4 QSFP+ transceiver
- 850 nm over multimode fibre (MMF)
- Reach: 100 m on OM3 · 150 m on OM4
- Connector: MPO-12
- Digital optical monitoring (DOM) for light levels and temperature
- Commercial temperature rating (typically 0 to 70 °C)
- Genuine Juniper part, new, factory sealed
- Listed for 8 Juniper platform families (see Compatibility)
Specifications
| Part number | QFX-QSFP-40G-SR4 |
|---|---|
| Brand | Juniper |
| Standard | 40GBASE-SR4 |
| Form factor | QSFP+ |
| Data rate | 40 Gb/s |
| Wavelength | 850 nm |
| Media | Multimode fibre (MMF) |
| Reach | 100 m on OM3 · 150 m on OM4 |
| Connector | MPO-12 |
| Digital optical monitoring | Supported |
| Temperature range | Commercial (COM) |
| Condition | New, factory sealed |
Compatibility
- Juniper EX4400
- Juniper EX4300
- Juniper QFX5120-48Y
- Juniper QFX5110
- Juniper QFX5130-32CD
- Juniper QFX5200-32C
- Juniper ACX7100-32C
- Juniper PTX10001-36MR
Description
A 40 Gigabit QSFP+ short-reach module using four parallel 10G lanes over a 12-fibre MPO connector, Juniper part code 740-067442. It is used for spine-leaf links and switch-to-switch aggregation inside a data centre, where parallel multimode trunks are already in place. Juniper marks it as not breakout capable. Reach is 100 m on OM3 and 150 m on OM4 at 850 nm. Digital monitoring is supported and the stated temperature range is 0 to 70 degrees C. Cabling for QFX-QSFP-40G-SR4: use a multimode trunk with MPO-12 connectors and correct polarity, OM3 or OM4. The headline reach is 100 m on OM3 · 150 m on OM4, so measure the installed link loss before ordering. The host needs a free QSFP+ cage that runs at 40G; Juniper's tool names EX4400, EX4300, QFX5120-48Y among the platforms where this code is supported, and the model page also gives the minimum software release for each platform. Clean the connectors before insertion and keep dust caps on unused ports.
Typical uses
- Server and storage links to a top-of-rack switch
- Switch-to-switch links inside one data hall or comms room
- Building risers that already have OM3/OM4 multimode fibre
Before you order
- Confirm your switch or router model and software release support the QFX-QSFP-40G-SR4
- Use OM3 or OM4 multimode patch cords; reach drops sharply on OM1/OM2
- Parallel optics need MPO/MTP trunk or breakout cabling with the right polarity
- Prices exclude import duties and taxes in your country (DAP)
FAQ
What is the reach of the QFX-QSFP-40G-SR4?
100 m on OM3 · 150 m on OM4.
What fibre does the QFX-QSFP-40G-SR4 use?
It runs over multimode fibre (MMF) with a MPO-12 connector at 850 nm.
Is the QFX-QSFP-40G-SR4 genuine and what condition is it?
It is a genuine Juniper part, new, factory sealed, sold by an independent reseller and invoiced by Rabash Technologies Pte. Ltd., Singapore.
Which platforms support the QFX-QSFP-40G-SR4?
Juniper lists it for platform families including Juniper EX4400, Juniper EX4300, Juniper QFX5120-48Y, Juniper QFX5110. Check the full list above and your software release before ordering.
Shipping and returns
Ships from Singapore. Delivery options are confirmed for your destination.
Shipping detailsSee the returns and warranty policy for applicable terms.
Returns and warrantyQuotes are valid for 7 days, payable by card, PayPal or T/T.
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