NVIDIA DGX Spark Stacking Cable – Amphenol NJAAKK-N911 QSFP112 400G Passive DAC, 0.4m
Key Highlights
- NVIDIA DGX Spark stacking cable
- QSFP112 connectors
- DGX Spark connection speed up to 200Gb/s
- No external power required
Connect two NVIDIA DGX Spark systems using the Amphenol NJAAKK-N911 stacking cable. This NVIDIA-approved passive Direct Attach Copper cable provides a reliable, low-latency connection between the ConnectX-7 ports of two DGX Spark systems.
The cable features QSFP112 connectors, a 400GbE-rated design and a compact 0.4-metre length suitable for closely positioned systems. The DGX Spark ConnectX-7 port supports connection speeds of up to 200Gb/s.
COMPATIBILITY
Officially Approved For: NVIDIA DGX Spark
Number of Connected Systems: Two
Other GB10 Systems: Compatibility must be confirmed with the system manufacturer before purchase
FAQ
What is the NJAAKK-N911 cable used for?
It is used to connect two NVIDIA DGX Spark systems directly through their ConnectX-7 ports.
Is the NJAAKK-N911 approved by NVIDIA?
Yes. NVIDIA lists the Amphenol NJAAKK-N911 as an approved cable for connecting DGX Spark systems.
Does the cable provide a 400Gb/s connection on DGX Spark?
The cable design is rated for 400GbE, but the DGX Spark ConnectX-7 port is capped at a maximum of 200Gb/s.
How long is the cable?
The NJAAKK-N911 is 400mm or 0.4 metres long.
Does the cable require external power?
No. It is a passive Direct Attach Copper cable and does not require an external power supply.
Can it connect more than two DGX Spark systems?
One cable directly connects two systems. Additional compatible cables and the correct network configuration are required for larger deployments.
Is NJAAKK-N911 the same as NJAAKK-0006?
They belong to the same cable family, but their lengths differ. The NJAAKK-N911 is 0.4m, while the NJAAKK-0006 is the 0.5m version.
| Brand | Amphenol |
| Product Model | NJAAKK-N911 |
| Product Type | Stacking and Interconnect Cable |
| Cable Type | Passive Direct Attach Copper Cable |
| Abbreviation | Passive DAC |
| Connector A | QSFP112 |
| Connector B | QSFP112 |
| Connector Gender | Male to Male |
| Rated Cable Standard | 400GbE |
| DGX Spark Port Speed | Up to 200Gb/s |
| Cable Length | 400mm |
| Cable Length in Metres | 0.4m |
| Wire Gauge | 32AWG |
| Jacket Type | LSZH |
| Primary Compatibility | NVIDIA DGX Spark |
| Supported Connection | Two DGX Spark Systems |
| Compatible Port | NVIDIA ConnectX-7 |
| External Power Required | No |
| Colour | Black |
| Condition | Brand New |
