H3C S6520X-18C-SI 16x10G Access Switch
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H3C S6520X-18C-SI Access/Aggregation Switch
Overview
The H3C S6520X-18C-SI is a compact 10G access/aggregation switch designed for campus access layers and SMB aggregation scenarios. It features 16 × 10GE SFP+ ports and 2 × expansion slots for uplink modules (10G/40G options depending on the module installed). With strong L2/L3 routing, IRF support, VXLAN capability, and carrier-grade reliability, it fits well for small aggregation or high-performance access scenarios.
Note: Power and fan modules sold separately.
Highlights
1. Compact 10G Access Aggregation
16 × 10GE SFP+ ports make it ideal for edge aggregation, SMB server access, or high-speed campus access.
2. Modular Uplink Flexibility
2 × uplink module slots support optional 10G/40G uplink modules, enabling flexible deployment planning.
3. Fabric-Ready Virtualization
VXLAN, EVPN (model/firmware dependent), and IRF stacking allow seamless integration into campus or enterprise fabrics.
4. High Reliability for Always-On Services
Hot-swappable PSUs/fans, BFD/NSF, and enterprise-level link protection ensure stable daily operation.
Recommended Accessories
| Accessory | Model | Category | Description |
|---|---|---|---|
| AC Power Module | PSR250-12A1 | Power | Common AC PSU for S6520X-SI models. |
| DC Power Module | PSR450-12D | Power | Telecom DC –48 V PSU. |
| Fan Modules | LSWM1FANSCBE / LSWM1FANSCE | Cooling | Standard/reverse airflow fans. |
| 10G Optics | SFP-10G-SR / SFP-10G-LR | Optics | Most frequently used 10GE transceivers. |
| Expansion Modules | (Model varies by install) | Interface | Optional 40G QSFP+ or extra 10G SFP+ uplinks depending on region/stock. |
Comparison with Similar Models
| Feature | S6520X-18C-SI | S6520X-26C-SI | S6520X-26MC-UPWR-SI |
|---|---|---|---|
| Downlinks | 16×10G | 24×10G | 24×Multi-GE (1G/2.5G/5G) |
| Uplinks | Modular (10G/40G) | Modular | Modular |
| PoE | No | No | Yes (UPoE) |
| Ideal Use Case | Compact aggregation | Mid-size aggregation | Wi-Fi 6 access aggregation |
Specifications
| Parameter | Specification |
|---|---|
| Model | S6520X-18C-SI |
| Downlink Ports | 16 × 10GE SFP+ |
| Uplink | 2 × expansion module slots (10G/40G options) |
| Switching | Full wire-speed |
| Virtualization | IRF, VXLAN (availability varies) |
| L3 Features | OSPF, BGP, static routes, IPv6 |
| Security Features | ACL, DHCP snooping, ARP protection |
| O&M | sFlow, Telemetry, CLI/WEB/SNMP |
| Power Options | PSR250-12A1 / PSR450-12D |
| Fan Options | LSWM1FANSCBE / LSWM1FANSCE |
| PSU Slots | 2 |
| Fan Slots | 2 |
| Temp Range | –5°C to +50°C |
| Deployment Scenarios | SMB aggregation, campus access distribution |
More Details
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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.
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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.