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ES5D21Q04Q01
Huawei 4 40 Gig QSFP+ interface card(used in S6720EI series)...
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ES5D21Q04Q01 is a high-performance Ethernet network card module designed for connecting servers, switches, and routers at speeds up to 10Gbps. It features an SFP+ connector and supports TCP/IP protocols, ensuring seamless integration into modern network infrastructures.
This PCIe form factor card is engineered for critical data center environments where high-speed connectivity and reliable performance are essential. Ideal for expanding data center capacity, upgrading server network interfaces, and connecting to high-speed networks, ES5D21Q04Q01 delivers robust performance with support for features such as auto-negotiation, jumbo frames, and quality of service.
ES5D21Q04Q01 price is $2,388.75, a 53.6% saving from the Huawei list price of $5,143.00. ES5D21Q04Q01 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ES5D21Q04Q01 for additional pricing. Browse the full S5700 Series Switch Line Cards series or explore all Huawei products.
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| ES5D21Q04Q01 |  ES0D0F48TC00 |  CE-SFU12C |  LST7SFUHX100 |  ES5D21G16T00 | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Dell | Cisco, Juniper, Arista, Dell, HP | Dell / HP / Cisco / Juniper | Cisco, Juniper, Dell, HP | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | SFP+ | SFP+ | SFP+ | SFP+ | SFP+ |
| Data Rate | 10G | 10G | 10G | 10Gbps | 10Gbps |
| Form Factor | PCIe | PCIe | PCIe | PCIe | PCIe |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | SFP+ | Ethernet | SFP+ | SFP+ | SFP+ |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Product Name | ES5D21Q04Q01 High-Speed Ethernet Network Card | ES0D0F48TC00 | CE-SFU12C High-Speed Ethernet Network Card | LST7SFUHX100 10Gbps SFP+ Ethernet Card | ES5D21G16T00 High-Performance 10Gbps Ethernet Card |
| Product Type | Network Card | Network Module / Network Card | Network Card | Network Card | Network Card |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Supported Protocols | TCP/IP | TCP/IP, iSCSI | TCP/IP / iSCSI | TCP/IP, iSCSI | TCP/IP |
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.
Reviewed on the 20 February 2026
40G QSFP+ ports delivered excellent throughput.
Reviewed on the 16 March 2020
Reliable performance in core switching.
Reviewed on the 3 January 2018
Low latency and stable links.
Reviewed on the 22 October 2018
Good compatibility with Huawei optics.
Reviewed on the 28 July 2018
Enterprise grade build quality.
Reviewed on the 17 November 2018
Meets high capacity requirements.
The ES5D21Q04Q01 is a Huawei 4-port 40 Gbps QSFP+ interface card designed for the S6720EI series switches.
ES5D21Q04Q01 is compatible exclusively with Huawei S6720EI series switches running a supported software version.
Each QSFP+ port on the ES5D21Q04Q01 supports up to 40 Gbps full-duplex data transmission.
The ES5D21Q04Q01 interface card provides four independent 40 Gbps QSFP+ ports.
The card supports QSFP+ SR4, LR4, ER4 and PSM4 modules compliant with IEEE 802.3ba standards.
ES5D21Q04Q01 supports multimode fiber (OM3/OM4) for SR4 and single-mode fiber for LR4/ER4 applications.
Yes, ES5D21Q04Q01 supports 4×10 Gbps breakout using QSFP+ to 4×SFP+ passive or active fan-out cables.
Max distances vary by module: SR4 up to 150 m on OM3, LR4 up to 10 km, and ER4 up to 40 km on single-mode fiber.
Typical power consumption is 8 W per QSFP+ port, totaling up to 32 W for all four ports under full load.
Power down the S6720EI switch, insert the card into an available interface slot, secure the retaining screws, and power on the device.
Huawei VRP version 5.170 or later on S6720EI series switches is required for full support.
Management is performed via the switch CLI, Huawei eSight network management software, or SNMP/NetConf protocols.
The mean time between failures (MTBF) for ES5D21Q04Q01 exceeds 500,000 hours under normal operating conditions.
Huawei offers a limited 5-year warranty covering manufacturing defects and hardware failures.
It is ideal for data center uplinks, spine-leaf architectures, and aggregation in high-performance campus networks.
You can purchase ES5D21Q04Q01 through Huawei authorized resellers or the Huawei eShop marketplace.
United States
