iogear GFR304SD card reader USB 3.2 Gen 1 (3.1 Gen 1) Black

The GFR304SD is a SuperSpeed USB 3.0 SD and MicroSD Card Reader/Writer manufactured by IOGEAR. It is designed as an ultra-compact, portable thumb-drive style adapter to quickly transfer raw high-definition photos, 4K/HD video footage, and large data files to a computer without needing nested microSD adapters.

Below are the complete technical specifications for this model:

⚙️ Interface & Performance Architecture

• Host Interface Connection: 1 x USB Type-A (Male, integrated built-in connector)

• USB Interface Protocol: USB 3.2 Gen 1 (fully matching standard USB 3.0 and USB 3.1 Gen 1 specifications)

• Maximum Theoretical Bus Speed: Up to 5 Gbps (Up to 10x faster than legacy USB 2.0 interface baselines)

• Actual Media Read/Write Speeds: Up to 104 MB/s (bound by standard UHS-I memory card physical limits)

• Simultaneous Card Reading: Fully supported (can process data streams from both the SD and microSD slots at the same time)

• Power Provision: Fully USB Bus Powered (operates directly off the host terminal's port voltage; no internal batteries or external A/C wall bricks required)

• Status Indicators: Onboard Status LEDs (Green for active link recognition / Yellow to signal live data activity)

📂 Flash Memory Card Compatibility

Features a Dual-Slot physical layout optimized for high-capacity media files up to 2 TB capacity limits:

• Standard SD Slot: SD, SDHC, SDXC, SD-Pro, Ultra II SD, Extreme III SD, SD-Turbo, MMC, MMC Pro, HS-MMC, MMC Plus, RS-MMC

• MicroSD Slot: microSD, microSDHC, microSDXC, MMC Micro

🧱 Physical Architecture & Build Dimensions

• Enclosure Profile: Pocket-sized, capless thumb-drive layout configuration

• Casing Material: Durable molded plastic housing

• Bare Drive Dimensions: 2.10 in x 0.67 in x 0.38 in (5.30 cm x 1.70 cm x 0.97 cm)

• Net Unit Weight: 0.1 oz (approximately 2 grams)

• Package Weight: Approximately 0.05 lbs (packaged standalone retail box weight)

🖥️ OS Compatibility & Environmental Policies

• Driver Requirements: Plug-and-Play execution utilizing native USB Mass Storage Class standards (no independent background applications or manual driver installations needed)

• Supported OS Environments:

  • Microsoft Windows (XP, Vista, 7, 8, 10, 11 and later)

  • Apple macOS (version 10.6 and later modern iterations)

  • Operational with USB On-The-Go (OTG) enabled tablets or smartphones using compatible external adapter pins

• Environmental & Logistic Compliances: RoHS and WEEE certified

• Warranty Profile: Backed by a 3-year limited manufacturer warranty

📦 Logistic Identifiers

• Manufacturer: IOGEAR

• Model Designation: GFR304SD

• UPC: 881317509192