What does the HPE P55152-001 splitter cable do?

It splits one 800Gb/s OSFP InfiniBand NDR port into two independent 400Gb/s OSFP NDR links for flexible AI and HPC fabric designs.

Is HPE P55152-001 passive or active?

It is a passive copper splitter DAC. It requires no power and delivers deterministic ultra-low latency.

Is this cable compatible with NVIDIA Mellanox hardware?

Yes. Although branded by HPE, it is compatible with Mellanox MCP7Y00-N002 and NVIDIA P/N 980-9I924-00N002, as well as OSFP-based NDR switches and endpoints.

What signaling technology does this splitter use?

The cable uses PAM4 signaling, which is required for 400G and 800G InfiniBand NDR operation.

Why is a 2m OSFP splitter commonly used?

2m provides practical reach for adjacent-rack and in-rack fan-out while maintaining signal integrity and manageable cable routing in dense AI deployments.

🌟 HPE Mellanox® OSFP Passive Splitter DAC – 800Gb/s to 2×400Gb/s NDR, 2m

HPE P/N: P55152-001

The HPE Mellanox® P55152-001 is a passive copper OSFP splitter (Direct Attach Copper, DAC) designed for InfiniBand NDR (800Gb/s) environments.
It enables a single 800G OSFP port to be split into two independent 400Gb/s OSFP NDR links, supporting flexible, high-density AI and HPC fabric architectures.

Manufactured to HPE enterprise specifications and based on Mellanox InfiniBand NDR signaling, this splitter is widely used in HPE-validated infrastructures while remaining fully interoperable with Mellanox and NVIDIA NDR platforms.

🔧 Technical Specifications

Brand: Hewlett-Packard Enterprise (HPE)
Product Number: P55152-001
Cable Type: Passive Copper Splitter DAC
Connectivity: OSFP → 2× OSFP
Primary Protocol: InfiniBand NDR
Bandwidth: 800Gb/s → 2×400Gb/s
Lane Signaling: PAM4
Length: 2 meters
Technology Base: Mellanox InfiniBand NDR
Condition: Refurbished, fully tested

🌐 Engineering & AI-Cluster Context (Why This Cable Exists)

✅ 800G Port Fan-Out for NDR Fabrics
Used when an 800G NDR switch port must feed:

Two 400G compute nodes
Two 400G leaf switches
Parallel AI / GPU pods

This allows efficient utilization of high-value OSFP ports without sacrificing bandwidth.

✅ OSFP + PAM4 for Thermal & Signal Margin
OSFP provides the electrical and thermal headroom required for 800G PAM4 signaling, ensuring stable 400G operation on each leg.

✅ Passive Copper = Deterministic Latency

No retimers
No DSP
No power consumption

Essential for synchronous AI training and large-scale HPC workloads.

✅ 2m Practical Reach
Ideal for:

Adjacent rack connections
In-rack 800G → dual-pod fan-out
Avoiding excess stiffness and airflow blockage seen with longer 800G copper runs

🧠 Typical Use Cases

HPE AI & HPC clusters (InfiniBand NDR)
NVIDIA / HPE SuperPOD-style architectures
Hyperscale spine-leaf fabrics
Large-scale AI training and inference pods

🔁 Compatibility (Explicit & Honest)

This HPE cable is electrically and functionally compatible with:

Mellanox MCP7Y00-N002
NVIDIA Mellanox 980-9I924-00N002
NVIDIA Mellanox Quantum-2 / NDR switches
OSFP-based 800G and 400G NDR endpoints

⚠️ Switch must support OSFP split / breakout mode.

✅ Quality Assurance – T.E.S IT-SOLUTIONS

Electrically validated at NDR PAM4 speeds
Split integrity and lane mapping verified
Guaranteed compatibility with HPE & Mellanox platforms
Supplied with real product images

🚚 Payment & Shipping

Payments: PayPal, credit card, bank transfer
Shipping: Worldwide (8–13 business days), secure packaging
Returns: Accepted per policy (buyer covers return shipping)

🤝 Why Buy from T.E.S IT-SOLUTIONS?

We specialize in enterprise AI networking, with hands-on expertise in 400G / 800G NDR fabrics, splitter logic, and cluster topology.

HPE Mellanox® P55152-001 OSFP 800G→2x400G NDR Splitter DAC 2m

Name: HPE Mellanox® P55152-001 OSFP 800G→2x400G NDR Splitter DAC 2m
SKU: P55152-001_Refurbished

SKU: P55152-001_Refurbished

€390.00

Quantity