---
product_id: 24923784
title: "Seagate Expansion 640 GB USB 2.0 Portable External Hard Drive ST906404EXA101-RK"
brand: "seagate"
price: "₨1644"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/24923784-seagate-expansion-640-gb-usb-2-0-portable-external-hard
store_origin: LK
region: Sri Lanka
---

# USB 2.0 plug & play power 5400 RPM reliable speed 640GB massive storage Seagate Expansion 640 GB USB 2.0 Portable External Hard Drive ST906404EXA101-RK

**Brand:** seagate
**Price:** ₨1644
**Availability:** ❌ Out of Stock

## Summary

> 💼 Elevate your data game—portable power for the on-the-go professional!

## Quick Answers

- **What is this?** Seagate Expansion 640 GB USB 2.0 Portable External Hard Drive ST906404EXA101-RK by seagate
- **How much does it cost?** ₨1644 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/24923784-seagate-expansion-640-gb-usb-2-0-portable-external-hard)

## Best For

- seagate enthusiasts

## Why This Product

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

## Key Features

- • **True Plug & Play:** No software, no hassle—just connect via USB and start saving instantly.
- • **Compact & Portable:** Lightweight 2.5-inch form factor fits perfectly in your bag or pocket.
- • **Durable & Travel-Ready:** Survives drops and long hours of use—your data’s tough new best friend.
- • **Massive 640GB Capacity:** Carry your entire digital life effortlessly—HD videos, work files, and more.
- • **Energy Efficient Performance:** Powered solely by USB, combining speed with smart power use.

## Overview

The Seagate Expansion 640GB USB 2.0 Portable External Hard Drive offers a robust 640GB storage capacity in a sleek, lightweight 2.5-inch design. Powered entirely through USB with no external power needed, it delivers reliable 5400 RPM performance and an 8MB cache for smooth data transfers. Compatible with Windows out-of-the-box, this durable drive is perfect for professionals needing fast, easy, and portable storage for large files and HD media.

## Description

PRTBL EXT DRIVE 5400.1 5400RPM 8MB CACHEPrimary InformationHard Drive Type : External Hard Drive Capacity : TBD Hard Drive Interface Type : TBD Hard Drive / Average Seek Time : TBD Hard Drive Spindle Speed : 5400 Rpm Hard DriveBuffer Size : 8 MB Storage Controller Type : TBD UNSPSC CodeUNSPSC Code : 43201803

## Features

- The drive is powered from the USB cable, so there is no need for an external power supply
- Plus, it is automatically recognized by Window operating system, so there is no software to install and nothing to configure
- Saving files is easy too, just drag-and-drop.It's not just easy to use, but it's fast and energy efficient too

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002OJTR6I |
| Additional Features | Portable |
| Best Sellers Rank | #1,974 in External Hard Drives |
| Brand | Seagate |
| Cache Memory Installed Size | 8 |
| Color | Black |
| Compatible Devices | Desktop |
| Connectivity Technology | USB |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,190) |
| Data Transfer Rate | 60 megabytes_per_second |
| Digital Storage Capacity | 640 GB |
| Form Factor | 2.5-inch |
| Global Trade Identification Number | 00763649017401 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 2.5 inches |
| Hard Disk Interface | USB 2.0 |
| Hard Disk Rotational Speed | 5400 rpm |
| Hard-Drive Size | 640 GB |
| Hardware Connectivity | USB |
| Installation Type | External Hard Drive |
| Item Weight | 10.4 ounces |
| Manufacturer | Seagate |
| Mfr Part Number | ST906404EXA101-RK |
| Model Name | Seagate Expansion |
| Model Number | ST906404EXA101-RK |
| Number of Items | 1 |
| Specific Uses For Product | Personal |
| UPC | 763649017401 |

## Product Details

- **Brand:** Seagate
- **Color:** Black
- **Compatible Devices:** Desktop
- **Connectivity Technology:** USB
- **Digital Storage Capacity:** 640 GB
- **Hard Disk Description:** Mechanical Hard Disk
- **Hard Disk Form Factor:** 2.5 inches
- **Hard Disk Interface:** USB 2.0
- **Installation Type:** External Hard Drive
- **Special Feature:** Portable

## Images

![Seagate Expansion 640 GB USB 2.0 Portable External Hard Drive ST906404EXA101-RK - Image 1](https://m.media-amazon.com/images/I/61zDLB8D9VL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Seagate Expansion 640 GB USB 2.0 Portable External Hard Drive ST906404EXA101-RK
- Seagate Portable 2TB External Hard Drive HDD — USB 3.0 for PC, Mac, PlayStation, & Xbox -1-Year Rescue Service (STGX2000400)
- UGREEN 10 Gbps Micro B to USB C Hard Drive Cables, 1.5FT USB C to Micro B, External Hard Drive Cable Compatible with MacBook Pro/Air, iPad/Tablet, iPhone, Samsung Galaxy S24, WD Seagate etc

---

## 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.lk/products/24923784-seagate-expansion-640-gb-usb-2-0-portable-external-hard](https://www.desertcart.lk/products/24923784-seagate-expansion-640-gb-usb-2-0-portable-external-hard)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-10-01*