
NAS vs. External Hard Drive: What’s the Deal?
When it comes to expanding your storage space or backing up your important files, two popular options usually come up: NAS (Network Attached Storage) and external hard drives. Both have their advantages, and the right choice really depends on your needs — whether you’re running a small business, working from home, or just looking to keep your data safe.
What is an External Hard Drive?
An external hard drive is a simple plug-and-play storage solution. You connect it to your computer via USB (or Thunderbolt), and it acts like an additional drive. They’re affordable, portable, and perfect for quick backups or transferring files between machines.
Pros:
Easy to use – no setup required beyond plugging it in.
Portable – take it with you wherever you go.
Affordable – great value for cost-per-gigabyte.
Great for individual backups – ideal for personal use or single-computer setups.
Cons:
Limited access – only available when plugged into a specific device.
No redundancy – if it fails, your data could be lost unless backed up elsewhere.
Not ideal for teams – sharing files across multiple users can be clunky.
What Is NAS (Network Attached Storage)?
NAS is like having your own mini-server at home or in the office. It’s a storage device connected to your network, so multiple users and devices can access it at the same time — even remotely.
Pros:
Multi-device access – share files with multiple users over your local network or internet.
Remote access – access your files from anywhere, like a personal cloud.
Automated backups – schedule and manage backups for multiple devices.
Redundancy & RAID options – protects data even if one drive fails.
Cons:
More expensive upfront – hardware and drives can cost more.
Setup & maintenance required – not as simple as plug-and-play.
Needs network access – performance depends on your Wi-Fi or LAN speed.
Which Should You Choose?
Go with an external hard drive if:
You need something portable and simple.
You’re backing up a single device.
Budget is a primary concern.
Go with NAS if:
You need centralized storage for multiple devices.
You want to access your data remotely.
You’re running a small business or managing shared resources.
Data redundancy and automated backups are important to you.
The Bottom Line
Both NAS and external drives have their place in the tech toolbox. If you’re a casual user or a solopreneur backing up one machine, an external hard drive might be all you need. But if you’re managing a team, working with large files, or just want a more scalable, secure solution, a NAS is a smart long-term investment.
Still not sure what’s right for you? At TPS Tech Services, we help individuals and small businesses in Watertown and beyond choose the right storage solutions that fit their needs and budget. Contact us today to chat about your setup — no pressure, just good advice.