H3C S9855-48CD8D 100G High-Density ToR Data Center Switch
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H3C S9855-48CD8D Data Center Switch
Overview
The H3C S9855-48CD8D is a high-density 100 GE data-center ToR/leaf switch built for cloud computing, storage networks, and large enterprise data centers. It features 48 × 100 GE QSFP28 access/downlink ports and 8 × 100 GE uplink ports, delivering unmatched density in a 1U form factor. The switch supports VXLAN, EVPN, SR-DC, and full RDMA/RoCEv2 lossless Ethernet, making it ideal for modern data-center fabrics.
Note: Power and fan modules must be purchased separately.
Highlights
1. High-Density 100G Access
48 × 100GE QSFP28 access ports plus 8 × 100GE uplink ports enable extremely dense server access in large-scale cloud or HPC deployments.
2. Lossless Data-Center Fabric
Supports PFC, ECN, DCBX, and RoCEv2 for zero-packet-loss storage and HPC workloads, ensuring deterministic and ultra-low-latency forwarding.
3. Advanced Virtualization & Multi-Tenant Fabric
Built-in VXLAN, EVPN, SR-DC, and automation features enable scalable cloud fabric and multi-tenant networks.
4. Intelligent O&M & Programmability
Provides Telemetry, sFlow, and programmable automation with Python/OPS to simplify data-center operations and monitoring.
Recommended Accessories
| Accessory | Category | Description |
|---|---|---|
| Power Supply Modules | Power | Redundant AC/DC hot-swappable modules; ordered separately. |
| Fan Modules | Cooling | Hot-swappable airflow modules (front-to-back or reverse). |
| QSFP28 Optical Modules | Optics | 100G SR4/LR4; AOC/DAC cables for server or spine connectivity. |
Comparison with Similar Models
| Feature | S9855-48CD8D | S9850-32H | Cisco Nexus 9364C |
|---|---|---|---|
| Port Configuration | 48 × 100GE + 8 × 100GE | 32 × 100GE | 64 × 100GE |
| Breakout Support | 4×25G / 4×10G | 4×25G / 4×10G | Yes |
| Virtualization | VXLAN, EVPN, SR-DC | VXLAN, EVPN | VXLAN, EVPN |
| RDMA/Lossless | Full RoCEv2 stack | Full RoCEv2 stack | Supported |
| Ideal Use Case | Ultra-dense ToR access | Leaf/aggregation | Leaf/ToR |
| Power | Modular | Modular | Modular |
Specifications
| Parameter | Specification |
|---|---|
| Model | H3C S9855-48CD8D |
| Downlink Ports | 48 × 100GE QSFP28 |
| Uplink Ports | 8 × 100GE QSFP28 |
| Breakout Options | 100G → 4×25G or 4×10G |
| Switching Capacity | Full line-rate 100GE across all ports |
| Forwarding Performance | Ultra-low latency, lossless forwarding |
| Virtualization Features | VXLAN, EVPN, SR-DC, DCBX, PFC, ECN |
| RDMA Support | RoCEv2 |
| O&M Features | Telemetry, sFlow, OPS/Python automation |
| Power Modules | Dual hot-swappable AC/DC (ordered separately) |
| Fan Modules | Hot-swappable airflow modules |
| Dimensions | 1U standard depth design |
| Operating Environment | Data-center deployment conditions |
More Details
Quality Certifications
Warranty
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Return Material Authorization (RMA) Process
Standard Warranty Policy
Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year
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If your H3C products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.
Refund Policy
At Network-switch.com, we aim to provide the best customer experience and ensure that your purchases meet your expectations. If for any reason you are not satisfied with your purchase, please read our return and refund policy below to understand your options.
Returns
You have the right to return products purchased from Network-switch.com under the following conditions:
- Eligibility for Return: Items can be returned within 30 days from the date of delivery, provided that the product is in its original condition, unused, and in the original packaging.
- Non-returnable Items: Certain items such as personalized or custom-made products, and items marked as non-returnable at the time of purchase, cannot be returned.
- Return Process: To initiate a return, please contact our customer support team at help@network-switch.com. You will be provided with instructions on how to return the product and obtain a return authorization number if necessary.
Refunds
- Refund Process: Once we receive your returned item and inspect it, we will process your refund to the original method of payment within 7 business days.
- Refund Conditions: Refunds will be issued for the purchase price of the item, excluding any shipping, handling, or other additional fees. If the product is returned damaged, used, or missing parts, a partial refund may be issued.
Exchanges
If you would prefer to exchange an item for a different size, color, or model, please follow the same return process. Once we receive the returned product, we will send the replacement at no additional charge, based on availability.
Shipping Costs
- Return Shipping Fees: You are responsible for paying the return shipping costs unless the item is defective, damaged, or incorrect.
- Refund for Shipping Costs: Shipping costs are non-refundable, except in the case of defective or incorrect items.
- Restocking Fees: You would be chagred about 30% of the product price when return the item, unless the item is defective, damaged, or incorrect.
Damaged or Incorrect Items
If you receive a damaged or incorrect item, please contact our customer service team within 7 days of receiving the product. We will exchange once the return is received.
Contact Us
If you have any questions or concerns about returns or refunds, please contact us at:
Email: help@network-switch.com
Before returning any products, please contact us to explain the issues you are experiencing. In many cases, we can resolve the problem through technical support, and you won't need to return the product.
If there are irreparable defects in the device, you can return it to us for repair or replacement under our twelve-month warranty. Simply reach out to us, and we will provide you with a return code, our return address, and any additional instructions.
Please do not return any items without first contacting us. We will guide you through the process, including the appropriate shipping methods.