STARTECH.COM MSA COMPLIANT 40GBASE-LR4 QSFP+ - 40G QSFP+ - SM LC - 10KM, LTW
Networking > Network Accessories
- Brand: STARTECH
- Category: Networking
- SKU: QSFP40LR4ST
- MPN: QSFP40LR4ST
StarTech.com MSA Compliant QSFP+ Transceiver Module -…
StarTech.com MSA Compliant QSFP+ Transceiver Module - 40GBASE-LR4~MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm - DDM, Fiber optic, 40000 Mbit/s, QSFP+, LC, LR4, 10000 m
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Power consumption (typical)
2.5 W
Product colour
Silver
Housing material
Aluminium
Hot-Plug support
Yes
Mean time between failures (MTBF)
1489426 h
SFP transceiver type
Fiber optic
Maximum data transfer rate
40000 Mbit/s
Interface type
QSFP+
Comsys Price
Available to Order
Ships in 1–5 business days
Shipped NZ‑wide. Freight is calculated at checkout from live courier rates; delivery within Auckland is free on standard‑size items.
Standard delivery to main‑centre, ground‑floor addresses is included in the quoted rate. For rural or oversized deliveries, any extra freight will be confirmed before dispatch.

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STARTECH.COM MSA COMPLIANT 40GBASE-LR4 QSFP+ - 40G QSFP+ - SM LC - 10KM, LTW
The QSFP40LR4ST is an MSA compliant fiber QSFP+ transceiver that's designed, programmed and tested to work with 40GBASE-LR4 compatible MSA switches and routers. The QSFP+ transceiver module supports a maximum distance of up to 10 km (6.2 mi) and delivers dependable 40 GbE connectivity over fiber cabling.
Technical Specifications:
• Wavelength: 1270nm to 1330nm
• Maximum Data Transfer Rate: 40 Gbps
• Type: Single Mode Fiber
• Connection Type: LC Connector
• Maximum Transfer Distance: 10 km (6.2 mi)
• MTBF: 1,489,426 hours
• Power Consumption: Less than 2.5 Watts
• 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 & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables, providing the convenience and reliability you need to ensure dependable network performance.
The StarTech.com Advantage
Key features
- SFP transceiver type: Fiber optic
- Maximum data transfer rate: 40000 Mbit/s
- Interface type: QSFP+
- Single-mode fiber (SMF) supported: Yes
- Multi-mode fiber (MMF) supported: No
- Fiber optic connector: LC
- SFP transceiver standard: LR4
- Maximum transfer distance: 10000 m
- Tx wavelength (min): 1270 nm
- Tx wavelength (max): 1330 nm
- Networking standards: IEEE 802.3ba
- Duplex system: Full
- Digital Diagnostics Monitoring (DDM): Yes
- Product colour: Silver
- Housing material: Aluminium
- Hot-Plug support: Yes
- Mean time between failures (MTBF): 1489426 h
- Power consumption (typical): 2.5 W
- Compliance certificates: RoHS
- Certification: CE, FCC, UR, REACH
- Operating temperature (T-T): 0 - 70 °C
- Storage temperature (T-T): -40 - 85 °C
- Operating relative humidity (H-H): 5 - 95%
- Width: 18.4 mm
- Depth: 72 mm
- Height: 13 mm
- Weight: 40 g
- Quantity per pack: 1 pc(s)
- Package width: 92 mm
- Package depth: 117 mm
+ 7 more — see the Specifications tab.
Inc GST
$344.99