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QSFP-40G-CU1M
QSFP+,40G,High Speed Direct-attach Cables,1m,QSFP+38M,CC8P0....
Trusted by the Highest-Stakes Buyers
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QSFP-40G-CU1M is a QSFP transceiver cable assembly engineered to deliver a 40G data rate for high-performance Ethernet connectivity over short-range distances, making it ideal for demanding data center and enterprise network applications. It features a compact QSFP form factor with integrated direct attach connectors that are specifically designed for plug-and-play installation, ensuring reliable and low-latency communication.
This product is optimized for high-speed data transfers within a transmission distance of one meter and supports Ethernet protocols, providing an effective solution for interconnecting networking equipment in telecom and data-intensive environments. Its robust design, standard physical dimensions, and compatibility with top industry vendors like Cisco, Juniper, Huawei, and Arista make it a versatile choice for modern network infrastructures.
QSFP-40G-CU1M price is $45.00, a 91.7% saving from the Huawei list price of $543.00. QSFP-40G-CU1M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-40G-CU1M for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.
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| QSFP-40G-CU1M |  SFP+-10G-AOC3M |  CFP-40G-ER4 |  DWDM-SFPGE-1543-73 |  CWDM-SFPGE-1471 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Active Optical Cable | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | SFP+ | CFP | SFP | SFP |
| Data Rate | 40G | 10G | 40G | 1G | 1G |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Long-Range | Long-Range |
| Max Distance | 1 meter | 3 meters | 40 km | 80 km | 80 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | 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 |
| Product Name | QSFP-40G-CU1M | SFP+-10G-AOC3M | CFP-40G-ER4 Transceiver | DWDM-SFPGE-1543-73 | CWDM-SFPGE-1471 |
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 short reach DAC for 40G connections.
Low latency and stable throughput.
Good build quality for dense racks.
Easy installation and removal.
Consistent performance observed.
Dependable 40G DAC cable.
The QSFP-40G-CU1M is a 1-meter passive QSFP+ direct-attach copper cable designed for 40 Gbps data center interconnects.
It supports a full duplex 40 Gbps data rate over a twinax copper link.
It’s ideal for short-reach top-of-rack switch-to-switch and switch-to-server connections in high-density data centers.
It uses QSFP+ 38-pin male connectors on both ends for direct-attach twinax copper connectivity.
It is a passive direct-attach cable requiring no external power or signal conditioning.
It meets IEEE 802.3ba 40GBASE-CR4 and InfiniBand QDR/FDR requirements.
Operating temperature ranges from 0 °C to 70 °C for reliable indoor performance.
Yes, it supports full hot-plug capability without interrupting adjacent links.
Yes, it supports splitting into four 10 Gbps lanes on compatible QSFP+ ports.
As a passive twinax cable, it consumes less than 0.1 W per end.
No, it is specified for indoor use only and should not be exposed to outdoor environments.
It works with any vendor QSFP+ port that supports 40 Gbps direct-attach copper links.
Simply align the QSFP+ connector, insert it into the port until the latch clicks, and repeat on the opposite end.
It comes with a one-year limited warranty covering manufacturing defects.
No, as a passive twinax cable it does not support in-line encryption or optical diagnostics.
The maximum reliable link distance is 1 meter in standard data center environments.
Store in a clean, dry environment at -20 °C to 75 °C with relative humidity below 85%.
United States
