---
product_id: 256882961
title: "HID OMNIKEY 3121 USB Card Reader"
brand: "hid"
price: "€ 44.91"
currency: EUR
in_stock: true
reviews_count: 5
category: "Hid"
url: https://www.desertcart.hr/products/256882961-hid-omnikey-3121-usb-card-reader
store_origin: HR
region: Croatia
---

# USB 2.0 interface for fast connectivity Lightweight at just 98g for easy portability Seamless Windows 7 compatibility HID OMNIKEY 3121 USB Card Reader

**Brand:** hid
**Price:** € 44.91
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock secure access with the HID OMNIKEY 3121 — your smart card’s best friend.

## Quick Answers

- **What is this?** HID OMNIKEY 3121 USB Card Reader by hid
- **How much does it cost?** € 44.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/256882961-hid-omnikey-3121-usb-card-reader)

## Best For

- hid enthusiasts

## Why This Product

- Trusted hid brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Windows-Ready:** Optimized for Windows 7 Professional and Home Premium—plug in and go.
- • **Trusted by Pros:** Top 110 in external memory readers with a solid 4.3-star rating—join the savvy users.
- • **Plug & Play Power:** Effortless USB 2.0 connection means no hassle, just instant access.
- • **Featherlight Design:** At under 100 grams, it’s the sleek companion your desk deserves.
- • **Certified Reliability:** CE, FCC, and WEEE certifications ensure trusted, compliant performance.

## Overview

The HID OMNIKEY 3121 is a compact, lightweight USB 2.0 smart card reader designed for seamless integration with Windows 7 systems. Certified for quality and compliance, it offers reliable, plug-and-play access for secure identity management, making it a top choice for professionals seeking trusted security hardware.

## Description

OMNIKE 3121 TAA QTY 10-1990

Review: Very good quality
Review: Working order

## Features

- ['UPC: 639399046315', 'Weight: 0. 350 lbs', 'HID Identity 3121 USB smart card reader. Interface: USB 2.0. Dimensions (W x D x H): 80 x 67 x 28 mm.', 'Weight: 98 g. Supports the Windows operating systems: Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional.... Certification: CE.', 'WEEE.']
- HID Identity 3121 USB smart card reader. Interface: USB 2.0. Dimensions (W x D x H): 80 x 67 x 28 mm.
- Weight: 98 g. Supports the Windows operating systems: Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional.... Certification: CE.
- WEEE.
- FCC.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00AT4NX8S |
| Are Batteries Included | No |
| Best Sellers Rank | #10,694 in Computers ( See Top 100 in Computers ) #109 in External Memory Card Readers |
| Brand | HID |
| Color | Black & Gray |
| Customer Reviews | 4.3 4.3 out of 5 stars (269) |
| Date First Available | 15 April 2015 |
| Item Weight | 98 g |
| Item model number | R31210049-1 |
| Manufacturer | HID Global |
| Operating System | Windows 7 |
| Product Dimensions | 6.7 x 8 x 2.8 cm; 98 g |
| Series | HID GLOBAL |

## Images

![HID OMNIKEY 3121 USB Card Reader - Image 1](https://m.media-amazon.com/images/I/51FobDiHsWL.jpg)

## Questions & Answers

**Q: what software can I use to access card data ?**
A: Dear customer you will need to develop or purchase a software as per your requirement. For govt sites there is no need for software as its preconfigured

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***D on 1 November 2025*

Very good quality

### ⭐⭐⭐⭐⭐ Review
*by W***M on 8 January 2026*

Working order

### ⭐⭐⭐⭐⭐ Review
*by J***. on 23 August 2025*

The card reader works right out of the box, I would buy this again from this seller.

## Frequently Bought Together

- HID OMNIKEY 3121 USB Card Reader
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- Bodno J2A040 Chip Java Jcop Cards W/Hico 2 Track Mag Stripe Jcop21-36K - 10 Pack White with Black Mag

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**Shop now:** [https://www.desertcart.hr/products/256882961-hid-omnikey-3121-usb-card-reader](https://www.desertcart.hr/products/256882961-hid-omnikey-3121-usb-card-reader)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-20*