# PCIe adapter SILVERSTONE SST-ECM21-E — PCIe 4.0 support

**URL:** https://aio.lv/en/product--silverstone-sst-ecm21-e--3672075
**Data updated:** 2026-02-19 13:16 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** SILVERSTONE
**Manufacturer code:** SST-ECM21-E
**EAN:** 4710679810133
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--silverstone-sst-ecm21-e--3672075

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

SILVERSTONE SST-ECM21-E is a PCIe adapter designed to support PCIe 4.0 connectivity. It enables integration of PCIe devices into compatible systems, facilitating high-speed data transfer and expansion of available interfaces. Suitable for upgrading workstations, servers or custom PCs where PCIe 4.0 performance and added I/O flexibility are required.

## Long description

SILVERSTONE SST-ECM21-E is a PCIe adapter built to provide PCIe 4.0 connectivity for systems that require higher bandwidth and additional I/O flexibility. The adapter enables integration of PCIe devices into compatible motherboards and chassis, supporting the transfer rates associated with PCIe 4.0 while maintaining a compact form factor suitable for workstations, servers and custom-built PCs.
Advantages
The adapter offers PCIe 4.0 support to enable higher throughput for add-in cards and external interfaces compared with previous generations. It is designed for straightforward installation and compatibility with standard PCIe slots, minimizing the need for complex modifications. The design focuses on stability and reliable data transfer, making it appropriate for demanding workloads and expansion tasks.
Suitable for
Upgrading workstations to support PCIe 4.0 devices
Expanding server I/O capabilities in rack or tower configurations
Integrating PCIe peripherals in custom PC builds
Providing higher bandwidth paths for storage or networking cards
Key specifications
Interface standard: PCI Express 4.0
Compatibility: Designed for systems with compatible PCIe slots and motherboard/chassis layouts
Form factor: Low-profile / standard-profile compatible adapter design suitable for compact and standard enclosures
Function: Enables connection and operation of PCIe expansion devices at PCIe 4.0 speeds
How to use
Power down the system and disconnect from mains power before installing the adapter. Locate an appropriate PCIe slot on the motherboard that supports the required lane configuration and carefully insert the adapter until it is fully seated. Secure the adapter in the chassis using the appropriate bracket or mounting hardware. Reconnect power and boot the system; then verify that the operating system recognizes connected PCIe devices and install any necessary drivers or firmware updates provided by device manufacturers.
Usage recommendations
For optimal performance, use the adapter in a motherboard PCIe slot that provides full PCIe 4.0 lanes and ensure BIOS/firmware and device drivers are up to date. Check chassis clearance and cooling to maintain stable operation under high data loads.

## FAQ

### How much does the PCIe adapter SILVERSTONE SST-ECM21-E cost, and is it available for purchase?

The price is 30.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 06.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### 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 SILVERSTONE 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 SILVERSTONE 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/3672075/51767084_large.webp

