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QSFP-40G-CU5M
QSFP+,40G,High Speed Direct-attach Cables,5m,QSFP+38M,CC8P0....
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QSFP-40G-CU5M is a QSFP direct attach copper cable engineered to deliver a 40G data rate for short-range connectivity in data centers, enterprise networks, and high-performance computing environments. This module features a QSFP form factor with integrated QSFP connectors designed specifically for 40G Ethernet, ensuring reliable performance over distances up to 5 meters.
QSFP-40G-CU5M is optimized for scenarios where high bandwidth and low latency are critical, offering a compact, low-power solution with minimal footprint. Its design complies with industry standards for Ethernet transmission, making it an ideal choice for modern, densely populated network infrastructures and telecom applications.
QSFP-40G-CU5M price is $105.00, a 87.3% saving from the Huawei list price of $829.00. QSFP-40G-CU5M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-40G-CU5M for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.
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| QSFP-40G-CU5M |  DWDM-SFPGE-1542-14 |  OSMD10N02 |  Huawei QSFP-4SFP10G-CU1M |  SFP-FC4G-SW | |
|---|---|---|---|---|---|
| Product Type | Direct Attach Copper Cable | Transceiver | Transceiver | Direct Attach Copper Cable Assembly | Transceiver |
| Form Factor | QSFP | SFP | SFP+ | QSFP | SFP |
| Data Rate | 40G | 1G | 10G | 10G | 4G |
| Connector Type | QSFP | LC | LC | QSFP and SFP+ | LC |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Short-Range | Short-Range |
| Max Distance | 5m | 80 km | 300 meters | 1m | 300 meters |
| Supported Protocols | 40G Ethernet | Ethernet | Ethernet | Ethernet | Fibre Channel |
| Network Interface | Ethernet | Fiber | Ethernet | Copper | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Huawei | Cisco, Juniper, Huawei, Arista |
| Product Name | QSFP-40G-CU5M | DWDM-SFPGE-1542-14 | OSMD10N02 10G SFP+ Transceiver | Huawei QSFP-4SFP10G-CU1M | SFP-FC4G-SW |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reliable 5m DAC with stable 40G performance.
Low latency and strong build quality.
Ideal for short rack connections.
Consistent bandwidth in data centers.
Easy installation and secure fit.
Dependable 40G copper cable.
The QSFP-40G-CU5M is a 5 meter, QSFP+ to QSFP+ high-speed copper cable assembly designed for 40 Gbps data transmission in indoor networking environments.
This cable supports up to 40 Gbps aggregate bandwidth, enabling low-latency, high-performance interconnects in data center switches and servers.
The QSFP-40G-CU5M provides reliable 40 Gbps connectivity over a fixed length of 5 meters.
The QSFP-40G-CU5M is a passive copper direct-attach cable, requiring no external power or signal conditioning for runs up to 5 meters.
It is compatible with any QSFP+ port conforming to the MSA (Multi-Source Agreement) on switches, routers, and servers.
This cable is vendor-agnostic and interoperates with major QSFP+ ports from Cisco, Juniper, Arista, Mellanox, Brocade and other MSA-compliant devices.
Yes, the QSFP-40G-CU5M supports hot-plug insertion and removal without requiring system shutdown or reconfiguration.
No, this cable is rated for indoor environments only and should be installed in climate-controlled data center or server room racks.
It operates reliably in ambient temperatures from 0 °C to 70 °C (32 °F to 158 °F), meeting standard data center requirements.
As a passive cable assembly, the QSFP-40G-CU5M draws negligible power, typically under 0.1 W per end.
Yes, the cable has integrated shielding in its copper pairs and connector housings to minimize electromagnetic interference.
Align each QSFP+ connector with the device port, press until the latch clicks, and verify link status via your switch or host interface.
It delivers ultra-low latency, high throughput, and cost-effective 40 Gbps links without the complexity or power overhead of optical transceivers.
The cable includes a one-year limited warranty and lifetime technical support for compatibility and installation guidance.
Compared to optical modules and fiber, the passive QSFP-40G-CU5M offers lower cost, reduced power consumption, and simpler installation for short-reach links up to 5 meters.
United States
