Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
Added to cart 28 times recently
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
$543.00
$38.0093% off
Quantity:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
QSFP-40G-CU3M
QSFP+,40G,High Speed Direct-attach Cables,3m,QSFP+38M,CC8P0....
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QSFP-40G-CU3M is a QSFP transceiver engineered to deliver a 40G data rate over a short-range active copper cable solution designed for high-performance data centers and enterprise networks. It is optimized for Ethernet applications, ensuring reliable, low-latency connectivity between switches and routers in densely packed environments.
QSFP-40G-CU3M features the standard QSFP form factor with precise physical dimensions tailored for rack-mounted telecommunications equipment. The product is ideal for applications that demand a compact, energy-efficient solution, reliably transmitting 40G signals over a maximum distance of 3 meters while supporting protocols essential for modern network infrastructures.
QSFP-40G-CU3M price is $38.00, a 93% saving from the Huawei list price of $543.00. QSFP-40G-CU3M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-40G-CU3M for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| QSFP-40G-CU3M |  QSFP-4SFP10-AOC10M |  SFP-10G-AOC20M |  OMXD30011 | OGSM01880 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP to 4xSFP10 converter cable | SFP | SFP+ | SFP+ |
| Data Rate | 40G | 10G per channel (40G aggregate) | 10G | 10G | 10G |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Max Distance | 3m | 10m | 20 meters | 300 meters | 300 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Optical | Ethernet | 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 |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | QSFP-40G-CU3M | QSFP-4SFP10-AOC10M | SFP-10G-AOC20M | OMXD30011 10G SFP+ Transceiver Module | OGSM01880 10G SFP+ Transceiver Module |
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 DAC cable for short range 40G.
Consistent low latency performance.
Easy plug and play.
Good build quality.
Works well in dense racks.
Dependable copper QSFP.
The QSFP-40G-CU3M is a 3-meter passive QSFP+ direct-attach copper cable that supports 40 Gbps data transmission for short-range connectivity.
It’s ideal for high-speed data center switching, server uplinks, and storage networks requiring 40 Gbps bandwidth over 3 m links.
The cable is compatible with all QSFP+ ports on major switches, routers, network interface cards (NICs), and servers supporting 40 GbE.
Yes. It fully supports 40 Gigabit Ethernet (40 GbE) and QDR/DDR InfiniBand protocols.
Yes. The QSFP+ form factor is hot-swappable, allowing live insertion and removal without shutting down the system.
Align the latch on the QSFP+ connector with the port, insert until it clicks, and secure the cable. No tools are required.
The QSFP-40G-CU3M measures exactly 3 meters, optimized for short-range indoor interconnects.
Yes. It supports an operating temperature of 0 °C to 70 °C and meets standard indoor data center requirements.
It uses passive copper for low latency, zero cable power, and lower cost over short distances compared to active optical modules.
Yes. It meets RoHS 6/6 directives for lead-free and hazardous substance compliance.
As a passive direct-attach cable, it draws less than 0.1 W per end, minimizing port power usage.
No. It is designed exclusively for 40 Gbps operation and does not support 10 Gbps or 25 Gbps modes.
Verify port settings, ensure proper seating, test continuity with a certified cable tester, and check for port error logs.
It includes a lifetime limited warranty against manufacturing defects, subject to the manufacturer’s terms.
No. It carries data only and does not support Power over Ethernet (PoE).
Yes. It is fully compatible with transceiver ports from leading vendors supporting IEEE 802.3ba standards.
United States
