---
product_id: 111266561
title: "HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray"
brand: "hid"
price: "NT$1550"
currency: TWD
in_stock: true
reviews_count: 7
category: "Hid"
url: https://www.desertcart.tw/products/111266561-hid-omnikey-3121-r31210320-01-smart-card-reader-usb-3
store_origin: TW
region: Taiwan
---

# Lightweight 80g for portability Compact 8x2.8x6.7 cm design USB 3.0 high-speed interface HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray

**Brand:** hid
**Price:** NT$1550
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock secure access with speed and style!

## Quick Answers

- **What is this?** HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray by hid
- **How much does it cost?** NT$1550 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/111266561-hid-omnikey-3121-r31210320-01-smart-card-reader-usb-3)

## 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

- • **Trusted HID Quality:** Backed by HID’s industry-leading reliability, this reader guarantees consistent performance in professional environments.
- • **Instant Auto-Detection:** No setup hassle—auto-detects devices immediately for smooth, uninterrupted workflow.
- • **Sleek & Portable Design:** Compact and lightweight form factor fits perfectly on any desk or on-the-go setup without clutter.
- • **Seamless USB 3.0 Connectivity:** Experience blazing fast data transfer speeds with universal USB 3.0 compatibility—plug and play with Windows 10/11.
- • **Universal Smart Card Compatibility:** Effortlessly read all major smart cards, including international residence cards, ensuring global readiness.

## Overview

The HID OMNIKEY 3121 is a professional-grade smart card reader featuring USB 3.0 for rapid data transfer, a compact and lightweight design for easy portability, and broad compatibility with all major smart cards worldwide. Trusted by professionals for seamless auto-detection and reliable performance on Windows 10 and 11 systems.

## Description

HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray : desertcart.in: Electronics

Review: Work's Perfect - Had taken in immergency and brought it from desertcart and was really confused if its going to work or no, but to my surprise its working 100% super like charm. Auto detected in Windows 10/ 11 Laptops and Desktop PCs. and Also detecting Out of India (residence cards) as well as read all smart cards. I am totally satisfied and a happy customer :-)
Review: Qulaity - Good quality product for office

## Features

- HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray
- BRAND : HID
- Warranty not applicable for this product
- Item condition new
- 1pc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XY2XLWF |
| Are Batteries Included | No |
| Best Sellers Rank | #24,796 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #137 in External Memory Card Readers |
| Brand | HID |
| Colour | multicolour |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,416) |
| Date First Available | 19 January 2017 |
| Item Dimensions LxWxH | 8 x 2.8 x 6.7 Centimeters |
| Item Height | 6.7 Centimeters |
| Item Weight | 80 g |
| Item Width | 28 Millimeters |
| Item model number | R31210320-01 |
| Manufacturer | HID |
| Product Dimensions | 8 x 2.8 x 6.7 cm; 80 g |
| Standing screen display size | 7 Inches |
| Voltage | 120 Volts |
| Wattage | 60.00 |
| Wireless Type | 802.11a/b/g/n |

## Images

![HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray - Image 1](https://m.media-amazon.com/images/I/81bEjMNMdbL.jpg)

## Questions & Answers

**Q: Does it read government piv cards? thanks.**
A: Yes, it does. It reads all smart cards that have contact chip on them. But it can't read contactless (NFC) cards.

**Q: How long is the cable?**
A: About 3 ft

**Q: Does it work with a Chromebook or Mac?**
A: Not sure about Chrombook, but Mac OS is supported.

**Q: Does it any need a software installation for military common access cards? i have the macbook air**
A: You will need a middleware package. Militarycac dot com has instructions.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Work's Perfect
*by M***Z on 2 September 2024*

Had taken in immergency and brought it from Amazon and was really confused if its going to work or no, but to my surprise its working 100% super like charm. Auto detected in Windows 10/ 11 Laptops and Desktop PCs. and Also detecting Out of India (residence cards) as well as read all smart cards. I am totally satisfied and a happy customer :-)

### ⭐⭐⭐⭐ Qulaity
*by A***A on 17 June 2025*

Good quality product for office

### ⭐⭐⭐⭐⭐ Review
*by R***N on 7 December 2025*

Perfect

## Frequently Bought Together

- HID OMNIKEY 3121 R31210320-01 Smart Card Reader - USB 3. 0 - Gray
- Identiv SCR3310v2.0 USB Smart Card Reader
- Taglio PIVKey C910 Certificate Based PKI Smart Card for Authentication and Identification, Dual Interface Contact/Contactless Smart Card, Supports Windows PIV Drivers, Standard ISO.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tw/products/111266561-hid-omnikey-3121-r31210320-01-smart-card-reader-usb-3](https://www.desertcart.tw/products/111266561-hid-omnikey-3121-r31210320-01-smart-card-reader-usb-3)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-17*