
QSFP-40G-CU3M Introduction
QSFP+,40G,High Speed Direct-attach Cables,3m,QSFP+38M,CC8P0.32B(S),QSFP+38M,Used indoor.
The HUAWEI QSFP-40G-CU3M is a high-performance, direct-attach copper (DAC) cable designed for short-distance data transmission, typically up to 3 meter. It supports 40Gbps data rates and is commonly used in data centers and high-performance computing networks.
Huawei Original QSFP-40G-CU3M DAC Cable can be plugged into Huawei switch.
Appearance of a QSFP+ to QSFP+ high-speed cable

Structure of a QSFP+ to QSFP+ high-speed cable

QSFP-40G-CU3M Specifications
Item | Parameters |
Part Number | 02310MUH |
Model | QSFP-40G-CU3M |
Description | QSFP+,40G,High Speed Direct-attach Cables,3m,QSFP+38M,CC8P0.32B(S),QSFP+38M,Used indoor |
Connector X1 | QSFP+ |
Connector X2 | QSFP+ |
Cable length [m(ft.)] | 3 m (9.84 ft.) |
Electrical attribute | Passive |
Bend radius [mm (in.)] | 40 mm (1.57 in.) |
Minimum Clearance for Cable Routing [mm (in.)] | 75 mm (2.95 in.) |
Various DAC Cables
Type | Model and Distance |
SFP+ to SFP+ High-Speed Cable | SFP-10G-CU1M |
SFP-10G-CU3M | |
SFP-10G-CU5M | |
SFP-10G-AC10M | |
QSFP+ to QSFP+ High-Speed Cable | QSFP-40G-CU1M |
QSFP-40G-CU3M | |
QSFP-40G-CU5M | |
QSFP+ to 4*SFP+ High-Speed Cable | QSFP-4SFP10G-CU1M |
QSFP-4SFP10G-CU3M | |
QSFP-4SFP10G-CU5M | |
QSFP28 to QSFP28 High-Speed Cable | QSFP28-100G-CU1M |
QSFP28-100G-CU3M | |
QSFP28-100G-CU5M | |
QSFP28 to 4*SFP28 High-Speed Cable | QSFP-4SFP25G-CU1M |
QSFP-4SFP25G-CU3M | |
QSFP-4SFP25G-CU3M-N | |
QSFP-4SFP25G-CU5M |
Return and Exchange Policy
Thank you for choosing Huatelecom! We value your trust and strive to provide high-quality products and exceptional service. Below is our comprehensive return and exchange policy to ensure your rights are protected.
1. Return Policy
-
Eligibility for Returns (Quality Issues Only):
If the product has quality defects that affect its normal usage, you are eligible to apply for a return within 7 calendar days of receiving the product. The following conditions must be met:- The product must be unused, with all original packaging, accessories, and manuals intact.
- A valid proof of purchase (order number, invoice, etc.) must be provided.
- Clear evidence of the defect, such as photos or videos, must be submitted for verification.
-
Shipping Costs for Returns:
If the return is due to quality issues, Huatelecom will cover the international shipping costs for returning the product. -
Refund Processing:
Once the returned product is received and inspected, the refund will be processed within 7 business days. The refund will be issued through the original payment method, and processing times may vary depending on your payment provider.
2. Exchange Policy
-
Eligibility for Exchanges (Quality Issues Only):
You may request an exchange if the product develops a quality issue within 15 calendar days of receipt. The conditions for eligibility are:- The product must be returned with all original packaging, accessories, and manuals.
- Proof of purchase and evidence of the defect must be provided.
-
Shipping Costs for Exchanges:
Huatelecom will bear the international shipping costs for the exchange. -
Exchange Process:
Upon receiving the defective product, we will inspect it and send a replacement product within 7 business days.
3. Warranty Service
-
Coverage During the Warranty Period:
For products within the warranty period, if quality issues arise, we will provide a replacement free of charge with your next order. No additional shipping costs will be incurred for the replacement. -
Out-of-Warranty Repairs:
For products outside the warranty period, repairs can be arranged. However, customers will need to cover theround-trip international shipping costs for sending the product to us and receiving it back after repair.
4. Damages or Loss During Shipping
-
For Customers Who Purchased Shipping Insurance:
If the product is damaged or lost during shipping, the insurance company will compensate for the loss. Customers must:- Submit a compensation claim within 15 calendar days of the order being shipped.
- Provide required documentation, such as photos of the damaged packaging, damaged product, or proof of non-delivery.
- Huatelecom will assist in the claim process to ensure timely resolution.
-
For Customers Without Shipping Insurance:
If you choose not to purchase shipping insurance, Huatelecom will not be liable for any damages or losses incurred during transit.
5. Application Process for Returns, Exchanges, or Claims
-
For further assistance, please reach out to us:
- Email: sales@huatelecom.com
- Phone: +852 44652638
- Business Hours: Monday to Friday, 9:00 AM - 6:00 PM (GMT+8)
Provide your order number, issue description, and supporting evidence (photos, videos, etc.).
-
Request Review:
Our team will review your application within 1-3 business days and notify you of the outcome. -
Return or Exchange Process:
- If approved, you will receive instructions on how to return the product or proceed with the exchange.
- For insurance claims, we will assist in coordinating with the insurance company.
-
Refund or Replacement:
Once the product is received and inspected, we will process your refund, exchange, or warranty claim promptly.
6. Important Notes
-
Timeframes:
- Returns must be initiated within 7 days of receipt.
- Exchanges must be requested within 15 days of receipt.
- Warranty replacements depend on the warranty terms for the specific product.
-
Condition of Returned Products:
Products must be returned in their original condition with all accessories and packaging intact. Damaged, altered, or incomplete items may not qualify for returns or exchanges. -
Shipping Insurance:
We highly recommend purchasing shipping insurance to protect against potential damages or losses during transit. -
Non-Eligible Returns/Exchanges:
- Products with intentional damage or misuse.
- Issues reported beyond the specified timeframes.
- Non-Huatelecom products or items purchased from unauthorized channels.
At Huatelecom, your satisfaction is our top priority. Thank you for trusting us with your business!