# Card reader Watercool 30231 USB 3.2 Gen 1 (3.1 Gen 1) – CF/MMC/SD/SDHC, 5000 Mbit/s, Black

**URL:** https://aio.lv/en/product--watercool-30231--4598118
**Data updated:** 2026-03-07 14:51 (EET)
**Category:** Card readers
**Manufacturer:** Watercool
**Manufacturer code:** 30231
**EAN:** 4251312602581
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--watercool-30231--4598118

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Watercool 30231 is a compact USB 3.2 Gen 1 (3.1 Gen 1) external card reader supporting CF, MMC, SD and SDHC memory cards. It delivers up to 5000 Mbit/s transfer rate over USB and connects to PCs or laptops for fast file exchange, backup and media transfer. The black housing measures 68 × 55 × 15 mm and is suitable for photographers, content creators and general data management.

## Long description

The Watercool 30231 is a compact external card reader that connects to a computer or laptop via USB 3.2 Gen 1 (3.1 Gen 1) to read and write CF, MMC, SD and SDHC memory cards. Housed in a black enclosure measuring 68 × 55 × 15 mm, it is designed for straightforward file exchange, media transfer and backup. The device supports high-speed data transfer up to 5000 Mbit/s over USB, enabling faster copying of photos, videos and other large files compared with legacy USB 2.0 readers.
Advantages
The card reader provides broad card format compatibility in a small footprint, allowing users to work with CF, MMC, SD and SDHC cards without adapters. Its USB 3.2 Gen 1 interface delivers a high maximum transfer rate up to 5000 Mbit/s, reducing transfer times for large media files. The compact black housing and plug-and-play operation make it easy to carry and use with desktops and laptops without additional drivers on most modern operating systems.
Suitable for
Photographers transferring RAW and JPEG image files from SD/CF cards to a computer
Videographers moving large video clips from SDHC media for editing and backup
Content creators and social media managers exchanging media between devices
General users performing regular backups or file transfers from memory cards
Key specifications
Supported card formats: CF, MMC, SD, SDHC
Interface: USB 3.2 Gen 1 (backwards compatible with USB 2.0)
Maximum transfer rate: up to 5000 Mbit/s over USB
Housing color and dimensions: black, 68 × 55 × 15 mm
Connection: external plug-and-play USB reader for PCs and laptops
How to use
Connect the card reader to an available USB port on your computer using the supplied or compatible USB cable. Insert the memory card into the matching slot until it is seated securely. The operating system should detect the device and mount the card as removable storage; then access files through the file manager to copy, move or edit media. Safely eject the card or unmount the device before removal to avoid data corruption.
Usage recommendations
For consistent performance when transferring large files, use a USB 3.x port on your computer and ensure the memory card supports the required speed class. Avoid forcing cards into slots and keep the reader and cards away from moisture and extreme temperatures. Regularly back up important data to additional storage.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Internal | No |
| Compatible memory cards | CF, MMC, SD, SDHC |
| Data transfer rate | 5000 Mbit/s |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.1 kg |
| Height | 15 mm |
| Width | 68 mm |
| Depth | 55 mm |

### Design

| Feature | Value |
|---|---|
| Cable length | 1.5 m |
| Product colour | Black |

### Features

| Feature | Value |
|---|---|
| Plug and Play | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Interface type | USB 3.2 Gen 1 (3.1 Gen 1) |

## FAQ

### How much does the Card reader Watercool 30231 USB 3.2 Gen 1 cost, and is it available for purchase?

The price is 21.99 € (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 08.07.2026 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 Watercool 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 Watercool 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, internal, compatible memory cards, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4598118/59032508_large.webp