PLANET QSFP-40G-SR4 QSFP+ Transceiver 40GBASE-SR4 850 nm MPO Multimode 100 m OM3 and 150 m OM4 with DDM
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Planet
PLANET QSFP-40G-SR4 QSFP+ Transceiver 40GBASE-SR4 850 nm MPO Multimode 100 m OM3 and 150 m OM4 with DDM
€122.33 inc. VAT
QSFP-40G-SR4
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PLANET QSFP-40G-SR4 — 40G SR4 QSFP+ on MPO
40 GbpsQSFP+ SR4MPO · 850 nmOM4 150 m
The PLANET QSFP-40G-SR4 is a 40 Gbit QSFP+ transceiver for multimode fibre: four parallel lanes at 850 nm over an MPO/MTP trunk, reaching 100 m on OM3 and 150 m on OM4, with digital diagnostics. It is the short-reach 40G optic for PLANET switches with QSFP+ ports and for other MSA-compliant 40G ports, used for uplinks and stacking links inside one data room. In practice, multimode optics are the cheaper choice for links inside one building: most server rooms and floor risers already carry OM3 or OM4 fibre, and the module plus a short patch cord is all a port needs. Before you order, check the fibre grade printed on the cable jacket and the real length of the run, including patch panels.
Compatibility — check before buying:
It has an MPO/MTP connector, so a normal LC duplex patch cord will not fit — you need a multimode MPO trunk, which is not included. Reach is 100 m on OM3 and 150 m on OM4. For single-mode runs between buildings PLANET offers the QSFP-40G-LR4 with LC connectors; the two do not link to each other. Keep the dust cap on until you connect the fibre, and clean both connector ends before every mating — dirt is the most common cause of a link that will not come up. Not sure? Send us your device model and the cable run and we check it before you order.
Best For
✓ 40G uplinks inside one data room
✓ PLANET switches with QSFP+ ports
✓ MPO-based structured cabling
✓ Top-of-rack to core links
✓ OM3 / OM4 multimode trunks
✓ Replacing a failed 40G SR4 module
Key Features
40G over short multimode runs
Four 10G lanes at 850 nm carry 40 Gbps over an MPO/MTP trunk, up to 150 m on OM4.
Multimode fibre, short reach
Built for the short runs inside a building or data room over OM-grade multimode fibre. Reach depends on the fibre grade — check what is actually in your walls before you plan a link.
Monitoring you can read
Digital diagnostics (DDM) let the host report temperature, laser power and received light, so a dirty connector or a failing link shows up before users call.
Hot-swappable
Modules and cables plug into a live port without shutting the switch down, so a link can be added or replaced during working hours. Seat it until it clicks and use the latch or pull tab to remove it.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
We fit the QSFP-40G-SR4 for 40G links that stay inside the data room and use MPO trunks. If your fibre plant is LC single-mode, or the link leaves the building, the LR4 version is the right part. Order the trunk and the far-end module together. Every order is backed by Singular’s local support in Cyprus — if a link will not come up, send us the port status and we help you find out whether it is the module, the cable or the configuration. Browse all transceivers and DAC cables or the switches they plug into.
Buyer’s Guide
Buy it if
You need 40G over an MPO multimode trunk up to 150 m on QSFP+ ports.
Skip it if
Your fibre is LC duplex or single-mode, or the run is longer than 150 m.
Also consider
PLANET QSFP-40G-LR4 for single-mode links.
Features - Planet - QSFP-40G-SR4
More Details
Product Code
04:335791
EAN Code
4711605283120
Manufacturer
Planet