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Reliable short reach DAC for 40G connections.
QSFP-40G-CU1M
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QSFP+,40G,High Speed Direct-attach Cables,1m,QSFP+38M,CC8P0....
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Name:
QSFP-40G-CU1M
- Description:
- QSFP+,40G,High Speed Direct-attach Cables,1m,QSFP+38M,CC8P0.254B(S),QSFP+38M,Used indoor
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Huawei
- GTIN:
- 6920702795667
- Condition:
- Warranty:
- 3
- List Price:
$543.00
- Price:
$45.0091.7% off
Quantity:
1
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QSFP-40G-CU1M Overview
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.
QSFP-40G-CU1M Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP
- Data Rate
- 40G
- Connector Type
- Direct Attach (QSFP)
- Wavelength
- N/A
- Transmission Distance
- Short-Range
- Fiber Type
- N/A
- Max Distance
- 1 meter
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- N/A
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- QSFP-40G-CU1M
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 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 |
| Connector Type | Direct Attach (QSFP) | N/A | LC | LC | LC |
| Wavelength | N/A | N/A | 1310 nm | 1550 nm | 1471 nm |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | N/A | Multi-mode | Single-mode | Single-mode | Single-mode |
| 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 |
| Power Consumption | N/A | N/A | N/A | 3.5 W | 2.5 W |
| 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 |
| Input Voltage | N/A | 3.3V | N/A | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | N/A | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFP-40G-CU1M | SFP+-10G-AOC3M | CFP-40G-ER4 Transceiver | DWDM-SFPGE-1543-73 | CWDM-SFPGE-1471 |
| Height | N/A | N/A | N/A | 0.13 inches | 0.55 inches |
| Width | N/A | N/A | N/A | 0.55 inches | 0.87 inches |
| Depth | N/A | N/A | N/A | 3.4 inches | 1.3 inches |
| Weight | N/A | N/A | N/A | 0.1 lbs | 0.14 lbs |
Reviews & Ratings
D
Daniel Whitfield
5
Low latency and stable throughput.
R
Robert Henson
5
Good build quality for dense racks.
P
Paul Maddox
5
Easy installation and removal.
S
Stephen Carver
4
Consistent performance observed.
O
Oliver Stanton
5
Dependable 40G DAC cable.
Questions & Answers
What is the QSFP-40G-CU1M cable?
The QSFP-40G-CU1M is a 1-meter passive QSFP+ direct-attach copper cable designed for 40 Gbps data center interconnects.
Which data rate does the QSFP-40G-CU1M support?
It supports a full duplex 40 Gbps data rate over a twinax copper link.
What applications is this cable best suited for?
It’s ideal for short-reach top-of-rack switch-to-switch and switch-to-server connections in high-density data centers.
What connector type does the QSFP-40G-CU1M use?
It uses QSFP+ 38-pin male connectors on both ends for direct-attach twinax copper connectivity.