Lenovo ThinkSystem NVIDIA ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter: технические характеристики и документация
Abstract
The NVIDIA ConnectX-7 network adapter offers performance and versatility for modern networking needs. This adapter is designed to meet the demands of high-speed data communication, making it suitable for data centers and enterprise environments.
This product guide provides essential presales information to understand the ConnectX-7 10/25GbE adapter and their key features, specifications and compatibility. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the adapters and consider their use in IT solutions.
Change History
Changes in the April 23, 2025 update:
- Added OS support information for the adapter - Operating system support section
Introduction
NVIDIA ConnectX-7 with four 25Gb Ethernet ports is a remote direct-memory access (RDMA) over converged Ethernet (RoCE) network adapter that supports Ethernet protocol at 25 Gb/s. It enables a wide range of advanced, scalable, and secure networking solutions for enterprise needs, from traditional workloads to the world’s most-demanding AI, scientific computing, and hyperscale cloud data center workloads.
The following figure shows the ThinkSystem NVIDIA ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter.
Figure 1. ThinkSystem NVIDIA ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter
Did you know?
The ConnectX-7 adapters are optimized to deliver accelerated networking for modern cloud, artificial intelligence, and traditional enterprise workloads. ConnectX-7 provides a broad set of software-defined, hardware-accelerated networking, storage, and security capabilities which enable organizations to modernize and secure their IT infrastructures.
Part number information
The following table provides the ordering part numbers and feature codes for the ConnectX-7 10/25GbE adapter.
| Part number | Feature code | Description | NVIDIA equivalent |
|---|---|---|---|
| 4XC7A99191 | C62J | ThinkSystem Nvidia ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter(Generic) | MCX713104AS-ADAT |
The option part number include the following items:
- One Ethernet adapter
- Full-height (3U) bracket attached with Low profile (2U) bracket included in the box
- Documentation flyer
Note: The adapters ship without any transceivers or direct attach cables. These items must be ordered separately as listed in the following section.
Supported transceivers and cables
The ConnectX-7 10/25GbE adapter has empty SFP28 cages for connectivity. The adapter either supports connections to a 10 Gb or 25 Gb switch or can share a connection to a 100 Gb switch using a 4:1 breakout cable.
The following table lists the supported transceivers.
| Part number | Feature code | Description | NVIDIA part number |
|---|---|---|---|
| 1Gb Transceivers | |||
| 00FE333 | A5DL | SFP 1000Base-T (RJ-45) Transceiver | - |
| 10Gb Transceivers | |||
| 4TC7B13092 | CFPW | Lenovo Accelink RTXL185-510_V4.0 10G BaseT SFP+ | - |
| 4TC7B12410 | CEHQ | Lenovo FTLX1475D3BCL 10GBASE-LR SFP+ Optical Transceiver | - |
| 00FE331 | B0RJ | 10GBASE-LR SFP+ Transceiver | - |
| 46C3447 | 5053 | SFP+ SR Transceiver | - |
| 4TC7A78615 | BNDR | ThinkSystem Accelink 10G SR SFP+ Ethernet transceiver | - |
| 25Gb Transceivers | |||
| 4M27A67041 | BFH2 | Lenovo 25Gb SR SFP28 Ethernet Transceiver | - |
| 7G17A03537 | AV1B | Lenovo Dual Rate 10G/25G SR SFP28 Transceiver | - |
| 4TC7A88638 | BYBJ | ThinkSystem Finisar Dual Rate 10G/25G SR SFP28 Transceiver | - |
25Gb transceivers: When installed in this 25Gb Ethernet adapter, 25Gb transceivers are designed to operate at either 25 Gb/s or 10 Gb/s speeds as listed in the description of the transceiver, however the speed also depends on the negotiation with the connected switch. In most configurations, this negotiation is automatic, however in some configurations you may have to manually set the link speed or FEC mode.
The following table lists the supported optical cables.
| Part number | Feature code | Description | NVIDIA part number |
|---|---|---|---|
| LC-LC OM3 Fiber Optic Cables (these cables require a 10 GbE SFP+ SR or 25 GbE SFP28 SR transceiver) | |||
| 00MN499 | ASR5 | Lenovo 0.5m LC-LC OM3 MMF Cable | - |
| 00MN502 | ASR6 | Lenovo 1m LC-LC OM3 MMF Cable | - |
| 00MN505 | ASR7 | Lenovo 3m LC-LC OM3 MMF Cable | - |
| 00MN508 | ASR8 | Lenovo 5m LC-LC OM3 MMF Cable | - |
| 00MN511 | ASR9 | Lenovo 10m LC-LC OM3 MMF Cable | - |
| 00MN514 | ASRA | Lenovo 15m LC-LC OM3 MMF Cable | - |
| 00MN517 | ASRB | Lenovo 25m LC-LC OM3 MMF Cable | - |
| 00MN520 | ASRC | Lenovo 30m LC-LC OM3 MMF Cable | - |
| MTP-4xLC OM3 MMF Breakout Cables (these cables require a transceiver) | |||
| 00FM412 | A5UA | Lenovo 1m MPO-4xLC OM3 MMF Breakout Cable | - |
| 00FM413 | A5UB | Lenovo 3m MPO-4xLC OM3 MMF Breakout Cable | - |
| 00FM414 | A5UC | Lenovo 5m MPO-4xLC OM3 MMF Breakout Cable | - |
| SFP+ 10Gb Active Optical Cables | |||
| 00YL634 | ATYX | Lenovo 1M SFP+ to SFP+ Active Optical Cable | - |
| 00YL637 | ATYY | Lenovo 3M SFP+ to SFP+ Active Optical Cable | - |
| 00YL640 | ATYZ | Lenovo 5M SFP+ to SFP+ Active Optical Cable | - |
| 00YL643 | ATZ0 | Lenovo 7M SFP+ to SFP+ Active Optical Cable | - |
| 00YL646 | ATZ1 | Lenovo 15M SFP+ to SFP+ Active Optical Cable | - |
| 00YL649 | ATZ2 | Lenovo 20M SFP+ to SFP+ Active Optical Cable | - |
| SFP28 25Gb Active Optical Cables | |||
| 4X97A94008 | AV1F | Lenovo 3m 25G SFP28 Active Optical Cable | - |
| 4X97A94011 | AV1G | Lenovo 5m 25G SFP28 Active Optical Cable | - |
| 4X97A94012 | AV1H | Lenovo 10m 25G SFP28 Active Optical Cable | - |
| 4X97A94013 | AV1J | Lenovo 15m 25G SFP28 Active Optical Cable | - |
| 4X97A94702 | AV1K | Lenovo 20m 25G SFP28 Active Optical Cable | - |
| 7Z57A03541 | C10R | Lenovo 3m 25G SFP28 Active Optical Cable | - |
| 7Z57A03542 | C10S | Lenovo 5m 25G SFP28 Active Optical Cable | - |
| 7Z57A03543 | C10N | Lenovo 10m 25G SFP28 Active Optical Cable | - |
| 7Z57A03544 | C10T | Lenovo 15m 25G SFP28 Active Optical Cable | - |
| 7Z57A03545 | C1MB | Lenovo 20m 25G SFP28 Active Optical Cable | - |
| QSFP28 100Gb Ethernet Breakout Active Optical Cables | |||
| 7Z57A03551 | AV1R | Lenovo 3m 100G to 4x25G Breakout Active Optical Cable | - |
| 7Z57A03552 | AV1S | Lenovo 5m 100G to 4x25G Breakout Active Optical Cable | - |
| 7Z57A03553 | AV1T | Lenovo 10m 100G to 4x25G Breakout Active Optical Cable | - |
| 7Z57A03554 | AV1U | Lenovo 15m 100G to 4x25G Breakout Active Optical Cable | - |
| 7Z57A03555 | AV1V | Lenovo 20m 100G to 4x25G Breakout Active Optical Cable | - |
| OM4 LC to LC Cables (these cables require a transceiver) | |||
| 4Z57A10845 | B2P9 | Lenovo 0.5m LC-LC OM4 MMF Cable | - |
| 4Z57A10846 | B2PA | Lenovo 1m LC-LC OM4 MMF Cable | - |
| 4Z57A10847 | B2PB | Lenovo 3m LC-LC OM4 MMF Cable | - |
| 4Z57A10848 | B2PC | Lenovo 5m LC-LC OM4 MMF Cable | - |
| 4Z57A10849 | B2PD | Lenovo 10m LC-LC OM4 MMF Cable | - |
| 4Z57A10850 | B2PE | Lenovo 15m LC-LC OM4 MMF Cable | - |
| 4Z57A10851 | B2PF | Lenovo 25m LC-LC OM4 MMF Cable | - |
| 4Z57A10852 | B2PG | Lenovo 30m LC-LC OM4 MMF Cable | - |
The following table lists the supported direct-attach copper (DAC) cables.
| Part number | Feature code | Description | NVIDIA part number |
|---|---|---|---|
| SFP+ 10Gb Passive DAC Cables | |||
| 00D6288 | A3RG | 0.5m Passive DAC SFP+ Cable | - |
| 90Y9427 | A1PH | 1m Passive DAC SFP+ Cable | - |
| 00AY764 | A51N | 1.5m Passive DAC SFP+ Cable | - |
| 00AY765 | A51P | 2m Passive DAC SFP+ Cable | - |
| 90Y9430 | A1PJ | 3m Passive DAC SFP+ Cable | - |
| 90Y9433 | A1PK | 5m Passive DAC SFP+ Cable | - |
| 00D6151 | A3RH | 7m Passive DAC SFP+ Cable | - |
| SFP28 25Gb Passive DAC Cables | |||
| 7Z57A03557 | AV1W | Lenovo 1m Passive 25G SFP28 DAC Cable | - |
| 7Z57A03558 | AV1X | Lenovo 3m Passive 25G SFP28 DAC Cable | - |
| 7Z57A03559 | AV1Y | Lenovo 5m Passive 25G SFP28 DAC Cable | - |
| QSFP28 100G-to-4x25G Ethernet Breakout Cables | |||
| 7Z57A03564 | AV22 | Lenovo 1m 100G QSFP28 to 4x25G SFP28 Breakout DAC Cable | - |
| 4Z57A85043 | BS32 | Lenovo 1.5m 100G to 4x25G Breakout SFP28 Breakout DAC Cable | - |
| 4Z57A85044 | BS33 | Lenovo 2m 100G to 4x25G Breakout SFP28 Breakout DAC Cable | - |
| 7Z57A03565 | AV23 | Lenovo 3m 100G QSFP28 to 4x25G SFP28 Breakout DAC Cable | - |
| 7Z57A03566 | AV24 | Lenovo 5m 100G QSFP28 to 4x25G SFP28 Breakout DAC Cable | - |
Features
The ConnectX-7 10/25GbE adapter has the following features:
- Accelerated Networking and Security
ConnectX-7 provides a broad set of software-defined, hardware-accelerated networking, storage, and security capabilities which enable organizations to modernize and secure their IT infrastructures. Moreover, ConnectX-7 empowers agile and high-performance solutions from edge to core data centers to clouds, all while enhancing network security and reducing the total cost of ownership.
- Accelerate Data-Driven Scientific Computing
ConnectX-7 provides ultra-low latency, extreme throughput, and innovative NVIDIA In-Network Computing engines to deliver the acceleration, scalability, and feature- rich technology needed for today’s modern scientific computing workloads.
- Accelerate Software- Defined Networking
NVIDIA ASAP2 technology accelerates software-defined networking, delivering line-rate performance with no CPU penalty.
- Enhance Storage Performance
ConnectX-7 enables high-performance and efficient data storage by leveraging RDMA/RoCE, GPUDirect Storage, and hardware-based NVMe-oF offload engines.
Specifications
The ConnectX-7 10/25GbE adapter has the following technical specifications:
- Host interface
- PCIe Gen 4.0 x16 host interface
- Support for PCIe bifurcation
- Support for MSI/MSI-X mechanisms
- Ethernet Interface
- Four network ports supporting NRZ
- Auto-detection of 10G/25G link
- RDMA over converged Ethernet (RoCE)
- Enhanced Ethernet Networking
- Zero-touch RoCE
- NVIDIA Accelerated Switch and Packet Processing (ASAP2) for software-defined networking (SDN) and virtual network functions (VNF)
- OVS acceleration
- Overlay network acceleration: VXLAN, GENEVE, NVGRE
- Connection tracking (L4 firewall)
- Flow mirroring, header rewrite, hierarchical QoS
- SR-IOV Stateless TCP offloads
- Management and Control
- NC-SI, MCTP over SMBus, and MCTP over PCIe
- Platform-Level Data Model (PLDM) for Monitor and Control DSP0248
- PLDM for Firmware Update DSP0267
- PLDM for Redfish Device Enablement DSP0218
- PLDM for Field-Replaceable Unit (FRU) DSP0257
- Security Protocols and Data Models (SPDM) DSP0274
- Serial Peripheral Interface (SPI) to flash
- JTAG IEEE 1149.1 and IEEE 1149.6
- Remote Boot
- Remote boot over iSCSI
- UEFI
- PXe
- Platform security:
- Secure boot with hardware root of trust (RoT)
- Secure firmware update
- Flash encryption
- Device attestation
Note: This adapter does not support crypto features
Server support
The following tables list the ThinkSystem servers that are compatible.
| Part Number | Description | AMD V3 | 2S Intel V3/V4 | 1S V3 | 4S 8S Intel V3/V4 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SR635 V3 (7D9H / 7D9G) |
SR655 V3 (7D9F / 7D9E) |
SR645 V3 (7D9D / 7D9C) |
SR665 V3 (7D9B / 7D9A) |
SD535 V3 (7DD8 / 7DD1) |
ST650 V3 (7D7B / 7D7A) |
SR630 V3 (7D72 / 7D73) |
SR650 V3 (7D75 / 7D76) |
SR630 V4 (7DG8 / 7DG9) |
SR650 V4 (7DGC / 7DGD) |
SR650a V4 (7DGC / 7DGD) |
ST45 V3 (7DH4 / 7DH5) |
ST50 V3 (7DF4 / 7DF3) |
ST250 V3 (7DCF / 7DCE) |
SR250 V3 (7DCM / 7DCL) |
SR850 V3 (7D97 / 7D96) |
SR860 V3 (7D94 / 7D93) |
SR950 V3 (7DC5 / 7DC4) |
SR850 V4 (7DJT / 7DJS) |
SR860 V4 (7DJQ / 7DJN) |
||
| 4XC7A99191 | ThinkSystem Nvidia ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter(Generic) | N | N | N | N | N | N | N | N | Y | Y | Y | N | N | N | N | N | N | N | Y | Y |
| Part Number | Description | AI Servers | Edge | Super computing | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
SR675 V3 (7D9Q / 7D9R) |
SR680a V3 B200 (7DM9) |
SR685a V3 (7DHC) |
SR780a V3 (7DJ5) |
SR680a V4 (7DMK) |
SE100 (7DGR) |
SE455 V3 (7DBY) |
SC750 V4 (7DDJ) |
SC777 V4 (7DKA) |
SD665 V3 (7D9P) |
||
| 4XC7A99191 | ThinkSystem Nvidia ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter(Generic) | N | N | N | N | N | N | N | N | N | N |
| Part Number | Description | Edge | 1S Intel V2 | 2S Intel V2 | AMD V1 | Multi node | AI | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SE350 (7Z46 / 7D1X) |
SE350 V2 (7DA9) |
SE360 V2 (7DAM) |
SE450 (7D8T) |
ST50 V2 (7D8K / 7D8J) |
ST250 V2 (7D8G / 7D8F) |
SR250 V2 (7D7R / 7D7Q) |
ST650 V2 (7Z75 / 7Z74) |
SR630 V2 (7Z70 / 7Z71) |
SR650 V2 (7Z72 / 7Z73) |
SR635 (7Y98 / 7Y99) |
SR655 (7Y00 / 7Z01) |
SR645 (7D2Y / 7D2X) |
SR665 (7D2W / 7D2V) |
SD530 V3 (7DDA / 7DD3) |
SD550 V3 (7DD9 / 7DD2) |
SR670 V2 (7Z22 / 7Z23) |
SR680a V3 (7DHE) |
||
| 4XC7A99191 | ThinkSystem Nvidia ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter(Generic) | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Part Number | Description | SC | Dense V2 | 4S V2 | 8S | 4S V1 | 1S Intel V1 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SD665-N V3 (7DAZ) |
SD650 V3 (7D7M) |
SD650-I V3 (7D7L) |
SD650-N V3 (7D7N) |
SD630 V2 (7D1K) |
SD650 V2 (7D1M) |
SD650-N V2 (7D1N) |
SN550 V2 (7Z69) |
SR850 V2 (7D31 / 7D32) |
SR860 V2 (7Z59 / 7Z60) |
SR950 (7X11 / 7X12) |
SR850 (7X18 / 7X19) |
SR850P (7D2F / 2D2G) |
SR860 (7X69 / 7X70) |
ST50 (7Y48 / 7Y50) |
ST250 (7Y45 / 7Y46) |
SR150 (7Y54) |
SR250 (7Y52 / 7Y51) |
||
| 4XC7A99191 | ThinkSystem Nvidia ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter(Generic) | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Part Number | Description | 2S Intel V1 | Dense V1 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ST550 (7X09 / 7X10) |
SR530 (7X07 / 7X08) |
SR550 (7X03 / 7X04) |
SR570 (7Y02 / 7Y03) |
SR590 (7X98 / 7X99) |
SR630 (7X01 / 7X02) |
SR650 (7X05 / 7X06) |
SR670 (7Y36 / 7Y37) |
SD530 (7X21) |
SD650 (7X58) |
SN550 (7X16) |
SN850 (7X15) |
||
| 4XC7A99191 | ThinkSystem Nvidia ConnectX-7 10/25GbE SFP28 4-Port PCIe Ethernet Adapter(Generic) | N | N | N | N | N | N | N | N | N | N | N | N |
Support of adapters with generic firmware
One or more of the adapters described in this product guide uses standard vendor firmware (look for "Generic FW" or "Generic" in the adapter names). These adapters are supported in Lenovo servers and with Lenovo management tools.
Support in Lenovo XClarity management tools for adapters with generic firmware is per the following table.
Tip: Always use firmware that is obtained from Lenovo sources to ensure the firmware is fully tested by Lenovo and is supported. You should not use firmware that is obtained from the vendor web site, unless directed to do so by Lenovo support.
| Function | Lenovo XClarity Provisioning Manager | Lenovo XClarity OneCLI (out-of-band) | Lenovo XClarity OneCLI (in-band) | Lenovo XClarity Administrator |
|---|---|---|---|---|
| Adapter configuration | Supported (in-band via UEFI) | Supported with latest UEFI firmware* | Supported with latest UEFI firmware* | Supported with latest UEFI firmware* |
* Minimum supported UEFI firmware is as follows: SR630 V4, SR650 V4, SR650a V4: Release IHE116I; SR850 V4, SR860 V4: Release RVE106I.
Operating system support
The following table lists the supported operating systems for the adapter.
Tip: These tables are automatically generated based on data from Lenovo ServerProven.
| Operating systems | SR630 V4 |
SR650 V4/SR650a V4 |
SR850 V4 |
SR860 V4 |
|---|---|---|---|---|
| Microsoft Windows Server 2022 | Y | Y | Y | Y |
| Microsoft Windows Server 2025 | Y | Y | Y | Y |
| Red Hat Enterprise Linux 9.4 | Y | Y | N | N |
| Red Hat Enterprise Linux 9.5 | Y | Y | N | N |
| Red Hat Enterprise Linux 9.6 | Y | Y | Y | Y |
| Red Hat Enterprise Linux 9.7 | Y | Y | Y | Y |
| Red Hat Enterprise Linux 9.8 | Y | Y | Y | Y |
| Red Hat Enterprise Linux 10.0 | Y | Y | Y | Y |
| Red Hat Enterprise Linux 10.1 | Y | Y | Y | Y |
| Red Hat Enterprise Linux 10.2 | Y | Y | Y | Y |
| SUSE Linux Enterprise Server 15 SP6 | Y | Y | N | N |
| SUSE Linux Enterprise Server 15 SP7 | Y | Y | Y | Y |
| SUSE Linux Enterprise Server 16 | Y | Y | Y | Y |
| Ubuntu 24.04 LTS or later with HWE kernel | Y | Y | Y | Y |
| Ubuntu 26.04 LTS or later with HWE kernel | Y | Y | Y | Y |
| VMware vSphere Hypervisor (ESXi) 9.0 | Y | Y | Y | Y |
| VMware vSphere Hypervisor (ESXi) 9.1 | Y | Y | Y | Y |
Physical specifications
The PCIe adapters have a Low Profile form factor with the following dimensions:
- Length: 144 mm (5.6 in.)
- Height: 69 mm (2.7 in.)
Operating environment
The adapters have the following operating characteristics:
- Typical power consumption (passive cables): 15.1W
- Temperature
- Operational: 0°C to 55°C
- Non-operational: -40°C to 70°C
- Humidity: 90% relative humidity
Warranty
One-year limited warranty. When installed in a supported server, these adapters assume the server’s base warranty and any warranty upgrade.
Agency approvals
The adapter has the following regulatory approvals:
- Safety: CB / cTUVus / CE
- EMC: CE / FCC / VCCI / ICES / RCM / KC
- RoHS: RoHS Compliant
Related product families
Product families related to this document are the following:
- 25 Gb Ethernet Connectivity
- Ethernet Adapters
Trademarks
Lenovo and the Lenovo logo are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. A current list of Lenovo trademarks is available on the Web at https://www.lenovo.com/us/en/legal/copytrade/.
The following terms are trademarks of Lenovo in the United States, other countries, or both:
Lenovo®
ServerProven®
ThinkSystem®
XClarity®
The following terms are trademarks of other companies:
AMD is a trademark of Advanced Micro Devices, Inc.
Intel®, the Intel logo is a trademark of Intel Corporation or its subsidiaries.
Linux® is the trademark of Linus Torvalds in the U.S. and other countries.
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Other company, product, or service names may be trademarks or service marks of others.