External Hard Drives Price Comparison
Compare 600 external hard drives from Seagate, WD, LaCie & more. Find the best price across top UK retailers, from portable 1TB drives to 20TB desktop models.
External Hard Drives price comparison UK
External hard drives occupy a curious position in the storage market: overshadowed by SSDs for speed, yet stubbornly popular for anyone who needs serious capacity without a serious price tag. With 600 products listed across a price range stretching from 53 £ to 198 £, this category covers everything from a basic 1TB travel companion to enterprise-grade encrypted drives that cost more than a decent laptop.
Seagate leads the pack with 112 products and a competitive average price, closely followed by Western Digital and iStorage. What's striking is the gap between them: iStorage's average sits considerably higher, reflecting its focus on hardware-encrypted, PIN-protected drives aimed at businesses and government contractors — a very different beast from a standard portable drive. LaCie, meanwhile, has carved out a premium niche with its Rugged range, which has become the go-to choice for photographers and videographers who shoot on location. If you're after straightforward backup storage without the frills, Toshiba and Verbatim consistently undercut the field.
The sweet spot for most home users sits around 100 £ — at that price, you're typically looking at a 4TB or 5TB portable drive with USB 3.2 Gen 1 connectivity, bus-powered over USB so no mains adapter is needed. That's enough space for a full PC backup, a media library, or several years' worth of RAW photo files. Spend closer to 129 £ and you move into rugged, encrypted, or high-capacity desktop territory. For those who need to store large video archives or run a small NAS-style setup, it's worth also exploring NAS & Storage Servers, which offer more flexibility for multi-device access.
One thing worth noting: the 3.5" desktop drives that require a mains power supply are increasingly niche. Most buyers opt for 2.5" portable models precisely because they run off the USB cable alone — convenient for working between home and office, or for keeping an offsite backup at a relative's house. If speed is the priority over capacity, it's worth comparing these spinning-platter drives against solid-state alternatives, though you'll pay a significant premium per terabyte. For smaller, pocketable storage, USB flash drives remain a practical option for files under 256GB.
Black Friday and the January sales are historically the best moments to buy — retailers like Currys, Amazon, and Argos regularly discount Seagate and WD drives by 20–30%. Setting a price alert on MagicPrices is the most reliable way to catch those drops without having to monitor a dozen sites manually.
How to Choose an External Hard Drive: The Practical Guide
Most people buy an external hard drive once every few years, which means the market has moved on considerably since their last purchase. The good news: you get far more storage per pound than you did even three years ago. The less obvious news: not all drives are created equal, and the cheapest option can cost you dearly if it fails at the wrong moment.
Capacity vs. actual need
The instinct to buy the biggest drive available is understandable, but it's worth being realistic. A 2TB drive covers the average Windows PC backup with room to spare. Step up to 4TB or 5TB if you're backing up multiple machines, storing a large photo or video library, or archiving game installs. Beyond 8TB, you're typically looking at 3.5" desktop drives that need a mains power supply — fine for a permanent desk setup, less practical for anything portable. Don't over-buy: a drive that sits 90% empty for years is money that could have been spent elsewhere.
Portable 2.5" vs. desktop 3.5"
This is the most consequential decision. A 2.5" portable drive draws power directly from the USB port — no adapter, no cable clutter, fits in a jacket pocket. The trade-off is that capacities top out around 5TB for most consumer models, and spinning-platter 2.5" drives are more vulnerable to knocks than their desktop counterparts. A 3.5" desktop drive offers higher capacities (up to 20TB) and generally better sustained write speeds, but it needs a mains adapter and isn't going anywhere in a hurry. If you need portability, the choice is clear. If the drive lives permanently on a desk, the 3.5" format makes more sense.
Rugged protection — when it actually matters
The LaCie Rugged range and similar reinforced drives are genuinely worth the premium if the drive is going to be used on location — construction sites, film shoots, travel, fieldwork. The rubber bumper and shock-absorbing chassis make a real difference in a drop scenario. However, if your drive lives on a desk or in a drawer and only moves occasionally, you're paying for protection you'll never need. Standard drives are not fragile, but they're not designed to survive a 1.5m drop onto concrete. Be honest about your use case before spending the extra.
Encryption and security — not just for IT departments
iStorage's high average price reflects its specialisation in hardware-encrypted drives with PIN pads. These are overkill for most home users, but essential if the drive contains sensitive client data, medical records, or anything that would be problematic if lost or stolen. Hardware encryption (AES 256-bit, PIN-protected) is more secure than software encryption because the key never touches the host computer. For business use or GDPR compliance, it's worth the investment. For backing up family photos, it isn't. The Verbatim Fingerprint Secure sits in the middle ground — biometric access without the enterprise price tag.
USB interface: don't get caught out by the cable
The vast majority of drives in this category use USB 3.2 Gen 1 (formerly USB 3.0), which delivers up to 5 Gbps — more than fast enough for a spinning hard drive, which typically maxes out at around 130 MB/s anyway. USB-C is increasingly common and offers the convenience of a reversible connector, but the underlying speed is often identical to USB-A 3.2 Gen 1. The practical issue: check which ports your laptop or desktop actually has. Many newer ultrabooks have dropped USB-A entirely, so a drive with only a USB-A cable will need an adapter. Some drives include both cable types, which is a genuine convenience worth factoring in.
Warranty length as a reliability signal
Seagate and Western Digital typically offer 2–3 year warranties on consumer drives; LaCie matches this on its premium range. A 1-year warranty on a budget drive is a yellow flag — it suggests the manufacturer isn't confident in long-term reliability. Hard drives do fail, and the question isn't if but when. A 3-year warranty doesn't prevent failure, but it does mean you're not out of pocket when it happens. For critical data, no warranty replaces a proper backup strategy: the 3-2-1 rule (three copies, two media types, one offsite) applies regardless of how reliable the drive claims to be.
- Budget picks (From 53 £ to 81 £) : Mostly 1TB and 2TB portable drives from Verbatim, Toshiba, and Seagate's Expansion range. Functional and reliable for basic backup, but warranties tend to be shorter and build quality is no-frills. Fine for occasional use or as a secondary backup drive. Don't expect bundled software or any rugged protection.
- The sweet spot (From 81 £ to 100 £) : Where most buyers should be looking. You'll find 4TB and 5TB portable drives from Seagate, Western Digital, and Verbatim, plus entry-level LaCie Mobile Drive models. Bus-powered, USB 3.2 Gen 1, solid build quality. The WD Elements and Seagate Expansion are perennial bestsellers at this tier for good reason.
- For the more demanding user (From 100 £ to 129 £) : LaCie Rugged models, larger-capacity WD and Seagate desktop drives, and the first encrypted options from Verbatim. If you need rugged protection, 8TB+ capacity, or USB-C connectivity with a premium finish, this is your range. LaCie dominates here; the premium is real but so is the build quality.
- Specialist and enterprise territory (Over 129 £) : Dominated by iStorage's encrypted, PIN-protected drives and high-capacity desktop units. SanDisk's average price also sits in this bracket. These are not general-consumer purchases — they're for businesses, IT professionals, and anyone with serious data security obligations. Overkill for home use, but non-negotiable in regulated industries.
Top products
- Western Digital Elements Portable external hard drive 5 TB 2.5" Micro-USB B 3.2 Gen 1 (3.1 Gen 1) Black (Western Digital) : The most sensible all-round buy in this category — 5TB, bus-powered, and priced squarely in the sweet spot. No frills, no bundled software, just reliable storage from a brand with a strong track record. The Micro-USB port is the only real gripe on an otherwise hard-to-fault drive.
- LaCie Rugged USB-C external hard drive 2 TB 2.5" USB Type-C 3.2 Gen 1 (3.1 Gen 1) Orange, Silver (LaCie) : The benchmark for rugged portable storage — genuinely tough, USB-C connected, and trusted by photographers and filmmakers worldwide. The 2TB capacity feels modest at this price, but if your drive is going to take knocks, this is the one to buy. Overkill for desk use.
- Seagate Expansion STKM5000400 external hard drive 5 TB 2.5" 3.2 Gen 1 (3.1 Gen 1) Black (Seagate) : Seagate's Expansion range is the perennial budget-conscious choice — solid reliability, widely available at Currys and Amazon, and consistently competitive on price. Not the most exciting drive on the market, but it does exactly what it says. A safe, unspectacular pick for straightforward backup.
- Verbatim Fingerprint Secure Portable Hard Drive 2TB (Verbatim) : A smart middle ground between a standard portable drive and a full hardware-encrypted model. The fingerprint reader adds genuine security without the enterprise price tag of iStorage. Ideal for anyone carrying sensitive work files. The 2TB capacity is limiting if you also want to use it for media backup.
- Western Digital My Passport for Mac external hard drive 2 TB USB Type-A / USB Type-C 3.2 Gen 1 (3.1 Gen 1) Blue (Western Digital) : The go-to recommendation for Mac users who want a plug-and-play experience — pre-formatted for macOS, Time Machine compatible, and includes both USB-A and USB-C cables. The 2TB ceiling will frustrate heavy users, but for most MacBook owners it's the path of least resistance.
Related categories
Frequently Asked Questions
What's the difference between a portable and a desktop external hard drive?
A portable (2.5") external hard drive is powered entirely through its USB cable, making it compact and travel-friendly, while a desktop (3.5") drive requires a separate mains power adapter. Portable drives typically offer up to 5TB and are the right choice for most home users. Desktop drives go up to 20TB and suit permanent desk setups where capacity matters more than mobility.
Is an external hard drive fast enough for video editing?
For most video editing, a standard USB 3.0 external hard drive is borderline — it can handle 1080p footage but will struggle with 4K RAW files, where you need sustained read speeds above 200 MB/s. Spinning-platter drives typically max out around 120–130 MB/s. If you're editing 4K or above, an external SSD is a much better fit. External HDDs are excellent for archiving finished projects, but not ideal as an active editing drive.
Should I be worried about external hard drive reliability?
All hard drives fail eventually — the question is when, not if. Spinning-platter drives are mechanical devices with moving parts, and portable models are particularly vulnerable to knocks and drops. The most important thing is not to rely on a single drive for data you can't afford to lose. Follow the 3-2-1 backup rule: three copies of your data, on two different media types, with one stored offsite. A drive with a 3-year warranty from Seagate or Western Digital is a reasonable reliability signal, but it's not a substitute for a proper backup strategy.
Do I need to reformat an external hard drive for Mac?
Most external hard drives sold in the UK come pre-formatted as exFAT or NTFS, which means they'll work with Windows straight out of the box but may have limited functionality on macOS — specifically, NTFS drives are read-only on Mac without third-party software. If you're using the drive exclusively with a Mac, reformatting to APFS or HFS+ gives you full read/write access and Time Machine compatibility. Western Digital sells Mac-specific versions of its drives (like the My Passport for Mac) that come pre-formatted for macOS, which saves the hassle.
Are cheap external hard drives from lesser-known brands worth buying?
Generally, no — and this is one category where brand reputation genuinely matters. Seagate, Western Digital, and Toshiba have decades of manufacturing data behind their reliability figures; a no-name drive at half the price offers no such assurance. The cost of data recovery if a cheap drive fails prematurely can run into hundreds of pounds — far more than the saving on the drive itself. Brands like Verbatim and Transcend occupy a reasonable middle ground: not the cheapest, but with enough of a track record to be trustworthy for non-critical storage.
What capacity external hard drive do I need for a full PC backup in 2026?
For a full Windows PC backup, 2TB is sufficient for most users — the average Windows installation with applications and documents rarely exceeds 500GB to 1TB. If you store large media libraries (RAW photos, video footage, downloaded films), step up to 4TB or 5TB. A good rule of thumb: buy a drive that's at least twice the size of the data you currently need to back up, to allow for growth over the drive's lifespan.
What are the pitfalls of buying a rugged external hard drive?
The main pitfall is paying a rugged premium for a drive that will never leave your desk. Rugged drives — particularly the LaCie Rugged range — carry a meaningful price premium over standard portable drives of the same capacity. That premium is justified if the drive genuinely faces drops, dust, or water exposure. It isn't justified if "rugged" just sounds reassuring. Also worth noting: rugged does not mean indestructible. Even IP-rated drives have limits, and a severe impact can still cause data loss. The rubber bumper absorbs shocks; it doesn't make the drive immortal.