规格参数
确认接口类型、端口速率、传输距离、单/双端口、功耗、安装形态和是否需要配套线缆或光模块。
C8240（900-9X81Q-00CN-ST0）
NVIDIA® ConnectX®-8 SuperNIC™经过优化，可大幅提升超大规模人工智能（AI）计算工作负载的性能。ConnectX-8 SuperNIC支持InfiniBand和以太网两种网络技术，速度高达每秒800千兆位（Gb/s），可提供高速、高效的网络连接，显著提升人工智能工厂和云数据中心环境的系统性能。
生成式人工智能的强大网络
作为NVIDIA人工智能网络产品组合的核心，ConnectX-8 SuperNICs为形成加速的、大规模的人工智能计算结构的新一轮创新提供了动力。它们与下一代NVIDIA网络平台无缝集成，为终端提供
端到端的800Gb/s连接。这些平台提供了万亿参数GPU计算和生成式人工智能应用所需的稳健性、功能集和可扩展性。
C8240（900-9X81Q-00CN-ST0）
凭借增强的能效，ConnectX-8 SuperNIC支持创建运营数十万GPU的可持续人工智能数据中心，确保为人工智能的发展提供面向未来的基础设施。
ConnectX-8 SuperNICs支持先进的路由和基于遥测的拥塞控制功能，可实现最高的网络性能和峰值AI工作负载效率。此外，ConnectX-8 InfiniBand SuperNICs还扩展了
NVIDIA®可扩展分层聚合与归约协议（Scalable Hierarchical Aggregation and Reduction Protocol）的能力，可在高性能计算环境中提升网络内计算能力，从而进一步提高整体效率和性能。
Model | NVIDIA SKU | Port Type | Supported Speed | Form Factor | PCIe Express | Socket Direct Extension Option | Crypto | Secure Boot | Bracket Type |
C8240 | 900-9X81Q-00CN-ST0 | Dual-port QSFP112 | InfiniBand: NDR IB (Default) | Half-Height, Half-Length (HHHL) | PCIe 6 x16 | YES | YES | YES | Tall Bracket |
C8180 | 900-9X81E-00EX-ST0 | Single-cage OSFP | InfiniBand: 800Gbs XDR IB (Default) | Half-Height, Half-Length (HHHL) | PCIe 6 x16 | YES | YES | YES | Tall Bracket |
900-9X81E-00EX-DT0 | Single-cage OSFP | InfiniBand: 800Gbs XDR IB (Default) | Half-Height, Half-Length (HHHL) | PCIe 6 x16 | YES | YES | YES | Tall Bracket | |
C8180L | 900-9X81E-00EX-SL0 | Single-cage OSFP | InfiniBand: 800Gbs XDR IB (Default) | Half-Height, Half-Length (HHHL) | PCIe 6 x16 | YES | YES | YES | Tall Bracket |
| Physical | SuperNIC Dimensions: PCIe Half Height, Half Length 2.69 in. x 6.58 in. (68.50mm x 168.40mm) | ||
| Interfaces | SeeSupported Interfaces | ||
| PCI Express Interface | Gen6 SERDES @ 64GT/s, x16 lanes (Gen 5 compatible) | ||
| Optional: Additional PCIe x16 Gen5 @ SERDES 32GT/s through the PCIe auxiliary card and MCIO harness | |||
| Networking Port: Single cage OSFP InfiniBand and Ethernet | |||
| Data Rate | InfiniBand (Default) | XDR/NDR/HDR/HDR100/EDR/SDR | |
| Ethernet | 400/200/100 Gb/s Ethernet | ||
| Protocol Support | InfiniBand: IBTA v1.7a Auto-Negotiation: XDR (4 lanes x 200Gb/s per ) port, NDR (4 lanes x 100Gb/s per lane) port, NDR200 (2 lanes x 100Gb/s per lane) port, HDR (50Gb/s per lane) port, HDR100 (2 lane x 50Gb/s per lane) port, EDR (25Gb/s per lane) port, FDR (14.0625Gb/s per lane), 1X/2X/4X SDR (2.5Gb/s per lane). | ||
| Ethernet: 400GAUI-4 C2M, 400GBASE-CR4, 200GAUI-2 C2M, 200GAUI-4 C2M, 200GBASE-CR4, 100GAUI-2 C2M, 100GAUI-1 C2M, 100GBASE-CR4, 100GBASE-CR2, 100GBASE-CR1, 50GAUI-2 C2M, 50GAUI-1 C2M, 50GBASE-CR, 50GBASE-R2 , 40GBASE-CR4, 40GBASE-R2, 25GBASE-R, 10GBASE-R, 10GBASE-CX4, 1000BASE-CX, CAUI-4 C2M, 25GAUI C2M, XLAUI C2M , XLPPI, SFI | |||
| Capabilities | 900-9X81Q-00CN-ST0 | Secure Boot Enabled, Crypto Enabled with x16 PCIe extension option | |
| 900-9X81E-00EX-DT0 | Secure Boot Enabled, Crypto Enabled with x16 PCIe Down-Stream Port Extension Option | ||
| Electrical and Thermal Specifications | Voltage: 12V, 3.3V, 3.3VAUX | ||
| The complete electrical and thermal specifications are provided in "NVIDIA ConnectX-8 SuperNIC Product Specifications" document. You can access the document either by logging into NVOnline or by contacting your NVIDIA representative. | |||
| Environmental | Temperature | Operational | 0°C to 55°C |
| Non-operational | -40°C to 70°Cb | ||
| Humidity | Operational | 10% to 85% relative humidity | |
| Non-operational | 10% to 90% relative humidity | ||
| Altitude (Operational) | 3050m | ||
| Regulatory | Safety: CB / cTUVus / CE | ||
| EMC: CE / FCC / VCCI / ICES / RCM / KC | |||
| RoHS: RoHS Compliant | |||
| Notes: a. The ConnectX-8 SuperNICs supplement the IBTA auto-negotiation specification to get better bit error rates and longer cable reaches. This supplemental feature only initiates when connected to another NVIDIA InfiniBand product. b. The non-operational storage temperature specifications apply to the product without its package. | |||
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