🌟 NVIDIA Mellanox® ConnectX®-8 C8240 SuperNIC – 400GbE / XDR400 InfiniBand, Dual QSFP112, PCIe Gen6 x16, Crypto Disabled
NVIDIA Part Number: 900-9X81Q-00SN-ST0 same as 900-9X81Q-00CN-ST0 only Crypto Disabled
Specifications:
🔸 Model: ConnectX®-8 C8240
🔸 NVIDIA P/N: 900-9X81Q-00SN-ST0
🔸 Form Factor: HHHL (Half-Height, Half-Length) SuperNIC
🔸 Connectivity: Dual-port QSFP112
🔸 Socket Direct Option: PCIe x16 extension for CPU proximity and latency optimization
🔸 Security Features: Secure Boot Enabled, Crypto Disabled
Overview:
🔹 Ultimate Bandwidth: With support for both 400GbE and XDR400 InfiniBand, the ConnectX®-8 C8240 delivers record-breaking speed and ultra-low latency across modern data center and AI workloads.
🔹 PCIe Gen6 x16 Interface: Achieve superior bandwidth and hardware acceleration with the latest PCI Express 6.0 technology—designed to eliminate bottlenecks in high-throughput computing environments.
🔹 QSFP112 Ports: Dual-port configuration supports cutting-edge copper and optical interconnects for long-range and direct-attach connectivity.
🚀 Engineered for Exascale:
✅ Dual Connectivity Modes: Seamlessly switch between Ethernet and InfiniBand depending on application requirements.
✅ Secure Architecture: Secure Boot ensures platform integrity, while crypto-disabled design meets compliance for regulated industries.
✅ Socket Direct Extension: Offers reduced latency and higher CPU throughput for advanced server topologies.
✅ Data-Centric Acceleration: Optimized for cloud-native networking, AI/ML workloads, GPU communication (GPUDirect), and HPC fabric convergence.
Ideal For:
🔹 AI & ML Infrastructure – NVIDIA DGX systems, GPU clusters
🔹 Cloud Data Centers – High-speed networking and secure boot support
🔹 HPC/Exascale Computing – InfiniBand XDR400 performance
🔹 Compliance-Sensitive Environments – Crypto-disabled by design
Customer Support & Integration:
✅ Technical Assistance: Integration, driver support, firmware tools
✅ System Compatibility Review: PCIe Gen6 platform consulting
✅ Custom Cabling Advice: Based on data rate and QSFP112 topology
Quality Assurance:
✅ Fully Tested: Electrical, thermal, and connectivity validated
✅ Condition: Contact us for availability (New or Professionally Refurbished)
✅ Packaging: ESD-safe, securely shipped with tall bracket
💳 Payment & Shipping:
✅ Payment: PayPal accepted
✅ Payment Deadline: 3 days from purchase
✅ Shipping: Standard international (8–13 days)
✅ Returns: Accepted within return window; buyer pays return shipping
📸 Pictures Available Upon Request
Dear Valued Clients,
At T.E.S IT Solutions, we offer advanced NVIDIA Mellanox® SuperNICs like the ConnectX®-8 C8240 (P/N 900-9X81Q-00SN-ST0), purpose-built for the most demanding AI and HPC infrastructures. Our mission is to empower your data center with scalable, reliable, and ultra-fast networking solutions.
Our Product Range Includes:
🔸 SmartNICs & SuperNICs: Up to 400Gb/s Ethernet and InfiniBand
🔸 Switches: Spectrum-X, Quantum-2, SN5000/8000 series
🔸 Cables: OSFP, QSFP112, QSFP-DD, AOCs & DACs
🔸 Accessories: Rail kits, fans, optics, brackets, PSUs
Empower your infrastructure with next-generation networking.
Best Regards,
Itzhak Finkelstein
CEO, T.E.S Group



Do you ship to Israel, Europe, and the USA?
Yes. We ship worldwide via Express (FedEx/TNT). Typical delivery is 8–13 business days.
Buyer is responsible for customs and import fees.
Is this the Crypto-Disabled C8240 variant?
Yes. P/N 900-9X81Q-00SN-ST0 is the Crypto-Disabled version of 900-9X81Q-00CN-ST0. Secure Boot is enabled; Crypto is disabled.
What interfaces and speeds does it support?
Dual QSFP112 with support for 400GbE Ethernet and XDR400 InfiniBand. What slot and form factor does it require? HHHL (half-height, half-length) SuperNIC on PCIe Gen6 x16.Socket Direct extension is supported for CPU proximity.
Is it new or refurbished and what is included?
Availability can be New or Professionally Refurbished. All units are fully tested and shipped ESD-safe with a tall bracket.
Do you provide integration support and cabling advice?
Yes. We offer driver/firmware guidance, PCIe Gen6 platform checks, and QSFP112 cabling recommendations. Support available in English, German, and Hebrew.