# Software license upgrade EXTREME 16543 — software capability enhancement for existing Extreme systems

**URL:** https://aio.lv/en/product--extreme-16543--3623335
**Data updated:** 2026-01-13 11:23 (EET)
**Category:** Other Software & Utilities
**Manufacturer:** EXTREME
**Manufacturer code:** 16543
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 434.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 1 185.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extreme-16543--3623335

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 22.06.2026 | 1.99 EUR |
| Courier delivery to door | 22.06.2026 | 4.99 EUR |

## Summary description

EXTREME 16543 is a software license upgrade that expands the capabilities of existing Extreme Networks software. It provides access to the latest features and improvements to help maintain performance and security. Suitable for businesses that need to keep network infrastructure up to date, this upgrade supports ongoing software enhancements and operational stability.

## Long description

The Extreme Networks 16543 software license upgrade converts four 1GbE SFP ports to 10GbE SFP+ speeds, enabling higher throughput on compatible switches. This license updates the device software to unlock enhanced port capabilities while preserving existing hardware. It is intended for networks that require increased uplink or aggregation capacity without changing switch modules.
Advantages
Applying this software license upgrade increases port speed capacity from 1GbE to 10GbE for four SFP ports, allowing higher bandwidth and improved data transfer rates. The upgrade is delivered as a software change, so no physical replacement of ports is necessary. It supports straightforward activation through the switch software and integrates with existing network management workflows.
Suitable for
Upgrading uplink or aggregation links to higher bandwidth
Data center top-of-rack or access switches that need faster port speed
Environments that prefer software-based upgrades over hardware replacement
Key specifications
Converts up to four SFP ports from 1GbE to 10GbE SFP+ operation
Software-based license activation
Compatible with switches that support SFP to SFP+ conversion via licensing (check device compatibility)
How to use
Obtain the license key and apply it through the switch software management interface or the vendor’s licensing portal according to vendor instructions. After activation, verify that the affected ports are recognized as 10GbE SFP+ in the switch status pages and test link performance with compatible SFP+ transceivers and cabling. If needed, reboot the device following the vendor’s recommended procedure to complete the change.
Usage recommendations
Verify switch model compatibility and firmware version before purchasing. Use certified 10GbE SFP+ transceivers and appropriate cabling to achieve the expected throughput, and coordinate activation during a maintenance window to avoid service disruption.

## Specifications

| Feature | Value |
|---|---|
| License quantity | 1 |
| License type | Upgrade |
| Software type | License |

## FAQ

### How much does the Software license upgrade EXTREME 16543 cost, and is it available for purchase?

The price is 1,434.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 60000 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Wednesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Software license upgrade EXTREME 16543 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EXTREME products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EXTREME service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3623335/52646634_large.webp