Your storage strategy is backwards—and this simple fix eliminates last-minute panic buys


Buying based on size alone usually leads to one of two problems: you either overspend on massive capacity you won’t use for a decade, or you underbuy and find yourself shopping for more storage in less than a year.

Measuring by time converts raw drive capacity into a timeframe based on how quickly you fill it. The basic idea is simple: divide your free storage capacity by your total average usage per month.

It is every bit as simple as it sounds, but in many ways, it is a nicer way to shop for storage.

Buy for time, not purely on volume

Your consumption over time is probably stable

Personal data growth is generally pretty predictable, whether you’re talking about your personal PC or your homelab setup. Your photo habits, the resolution of your videos, and the number of devices in your home don’t swing wildly week to week or month to month.

Take Immich as an example. When I was planning my current backup system for Immich, I determined that each photo took up around 16MB (which is below average for RAW+JPG), so I get about 62 pictures per gigabyte or 62,500 pictures per terabyte. Our phone libraries grow at knowable, consistent rates. When I started considering it that way, it wasn’t “I have 4TB free still” it was “I can take another 250,000 pictures.” Since I can also know how many pictures I average over a month (about 500), I know that 4TB will last me decades more at my present consumption rate.

The same is true of most things I self-host, not just image storage. Videos—which are enormous by comparison—also grow at a pretty predictable rate. The game servers that I host for my friends and me are on rigid backup schedules. My music media server adds a few CDs a month (normally). My utility apps (like network monitors) don’t generate very much data I need to store for a prolonged period, but what information they do produce is very consistent.

Other popular services, like Nextcloud and Paperless, also tend to be used consistently, especially if they’re a big part of your homelab. That means their data use will be consistent too.

WD Red Pro

Storage Capacity

2 – 26TB

Workload

550TB/yr

Suitable for

NAS

Western Digital’s Red Pro NAS hard drives come in sizes from 2TB to 26TB.


Buying by years means you don’t over or under spend

The fact that most things consume data at a predictable rate makes shopping for components (and upgrades) easier.

It means that I can appropriately factor in the cost of storage for my photos whenever I build (or rebuild) my home server. I can put away a little bit of money each month specifically based on what I expect to need in 5 years and time my upgrades to get the best deals on storage.

I started estimating my yearly data storage needs about 10 years ago when I started “seriously” self-hosting, and I haven’t over or underspent on storage for my homelab in that time. On the other hand, I have pretty egregiously overspent on the storage I have available in my desktop PC, and I don’t forecast my data needs.

I’d recommend calculating your storage needs in a 3–5 year rolling window. That is a normal range for drive warranties; they’re not likely to wear out from use, and you probably won’t need to upgrade the rest of your system in that time frame either.


Close-up of a person's gloved hands holding a disassembled hard drive from computer.


How Old Is Your Hard Drive? Here’s How to Check

Guess your drive’s birthday.

How to figure out your own data growth rate

Actually measure it if you can

The Immich app's backup page. Credit: Patrick Campanale / How-To Geek

To get an accurate number, you need to track your real usage for a few months rather than just guess. If you’re considering switching to a self-hosted photo solution, you can quickly eyeball the number of pictures taken in a month or in a year in your Photos app. If you’re already self-hosting your photos, you can often pull that data directly from the service. Immich, for instance, shows library size and counts. Then multiply whatever that number is by the average size of a photo and video.

If you’re trying to figure it out for other self-hosted services, you could set up a simple disk-usage script on a cron job to record your filesystem size monthly. Compare the amount of data stored at the beginning and then at the end, and you have your data growth rate.

When you calculate your usage, make sure you give yourself some margin. The initial import is always going to be huge, and you should assume that you’re going to have big weeks—like on a vacation or at a wedding—that consume an order of magnitude more data than your average.

Additionally, you can and should estimate device upgrades, too, especially if your storage gear is on a 5-year or longer upgrade cycle. Phone cameras are always getting better. Today my phone records in 4K at 60FPS. In 24 months, my new phone may be recording 4K at 120FPS or 8K at 60FPS.


Buying on a schedule makes it easy to deal hunt

Shifting your perspective to years-based planning replaces guessing or impulse buying with a more informed approach.

You get predictable spending, and you eliminate those last-minute “the drive is full” emergencies that force you into last-minute, very expensive decisions. Start logging your monthly storage use now; it’ll turn your next big drive purchase into a more informed, cost-effective affair.



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Recent Reviews


I’ve driven a lot of EVs lately, and many of them seem obsessed with feeling futuristic at all costs. Some are great tech showcases, but not all of them are particularly easy to live with day to day.

The 2026 Polestar 3 Dual Motor Performance is different because it doesn’t lean into that over-the-top EV personality. It feels like a proper luxury SUV first, and an electric vehicle second.

With 680 horsepower on tap, it’s seriously quick when you want it to be. But the real story is how normal it feels when you’re just going about daily driving.

Pros

Cons

  • Feels more like a normal luxury SUV than a typical EV
  • Strong performance
  • Excellent interior quality
  • Firm ride
  • Smaller cargo space than rivals
  • Expensive options that put the price up quickly

A luxury SUV first, an EV second

It behaves more like a traditional premium SUV than a futuristic EV

The first thing you notice about the 2026 Polestar 3 is how little it tries to act like a typical EV. It doesn’t lean on gimmicks or exaggerated futuristic styling cues.

Instead, it feels like a well-sorted luxury SUV that just happens to be electric. That approach instantly separates it from much of the competition.

The steering feels natural, and the ride is controlled without feeling overly soft or disconnected. It avoids the detached “floating tech pod” sensation that some EVs still struggle with.

Even in Performance trim, it never feels dramatic for the sake of it. Everything is tuned around calmness and everyday usability.


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I didn’t expect an EV SUV this spacious to feel so luxurious

This EV SUV surprised me—it’s packed with space and comfort, even if the drive itself is a bit mellow.

A driving position that feels more focused than expected

Lower, tighter, and more engaging than a large SUV has any right to be

Shot of the driver's seat and steering wheel inside the cabin of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

You sit lower in the Polestar 3 than you might expect for a large SUV. That gives it a slightly cocooned driving position that feels more focused than most rivals.

At first, it almost feels like you’re in something smaller and more sports-oriented. That illusion works especially well in everyday driving.

But the reality check comes when you push harder. The weight shows up under braking and reminds you what this really is.


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Minimalism done properly

Clean design that feels premium without becoming sterile

Shot of the dashboard inside the cabin of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

The cabin follows a minimalist Scandinavian design approach that feels calm rather than cold. It avoids the overly futuristic interiors common in many EVs.

Most functions are handled through a large central touchscreen running Google’s system. It looks excellent, but it takes time to get used to.

Core controls like drive settings and climate adjustments aren’t instantly accessible. It keeps the cabin visually clean but less immediate in use.

There are also quirks like relocated rear window switches and unlabeled steering wheel buttons. They don’t ruin the experience, but they do take time to learn.


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A surprisingly roomy and practical luxury SUV

Family-friendly space despite the coupe-like profile

Shot of the rear seats inside the cabin of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

Rear seat space is one of the Polestar 3’s strongest points. The five-seat layout allows generous legroom throughout.

Even taller passengers won’t struggle for space in the back. Headroom is slightly limited by the sloping roofline, but it doesn’t feel restrictive.

Cargo space is average for the class, with a shallow load floor and raised cargo area. You also get underfloor storage plus a small frunk for charging cables and small items.


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This SUV makes traditional luxury pricing hard to justify.

Bright, minimal, and very Scandinavian

Airy cabin design that avoids typical EV overload

Shot of the front seats inside the cabin of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

A panoramic glass roof comes as standard and makes the cabin feel noticeably more open. It helps offset darker interior themes.

The design is restrained but not sterile, which suits the character of the car well. It feels more like a calm living space than a tech showcase.

Ambient lighting adds subtle personality without becoming distracting. It reinforces the relaxed, everyday usability of the cabin.


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Minimal controls, maximum learning curve

Great design that comes with a usability tradeoff

Close-up shot of the touchscreen on the dashboard of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

Polestar has removed most physical controls in favor of a screen-first interior. That keeps the design clean but increases the learning curve.

The 14.5-inch display looks sharp and responds quickly, but key functions often take more steps than expected. Even simple adjustments aren’t always immediate.

It reinforces the modern EV feel, but it also highlights the tradeoff. This is where the “normal SUV feel” starts to give way to full EV complexity.


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Hyundai’s flagship three-row EV gets a darker Black Ink makeover and the kind of upscale feel you’d normally expect from far pricier SUVs.

What’s new for 2026

A technical overhaul that fixes early shortcomings

Close-up shot of the decals on the door of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

The Polestar 3 had a difficult start to life, with delays and early software issues affecting its rollout. This update feels like the version it should have launched as.

The biggest change is the switch to an 800-volt electrical architecture. That brings much faster charging speeds and shorter stops on compatible fast chargers.

All versions also get new batteries and updated in-house motors. The lineup has been simplified into three clearer variants based on powertrain.

The Dual Motor Performance model now produces 680 horsepower. Despite that, it still feels more like a relaxed luxury SUV than a performance machine most of the time.


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Pricing and what you actually get for the money

Expensive, but it feels properly equipped before options get involved

Close-up shot of the Bowers & Wilkins door speaker in a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

The 2026 Polestar 3 starts at £71,540 ($91,000), rising to £79,540 ($101,000) for the Dual Motor and £87,040 ($111,000) for the Performance. That puts it firmly against the BMW iX and Mercedes EQE SUV rather than mainstream electric SUVs.

Standard equipment is strong across the range, with 20-inch alloy wheels, a 14.5-inch portrait touchscreen, a Bowers & Wilkins sound system, and a full suite of driver assistance tech. It feels well-equipped even before options enter the conversation.

Move up to the Dual Motor and you get dual-chamber air suspension and subtle Swedish gold detailing. The Performance model adds significant power, revised chassis tuning, gold Brembo brake calipers, and gold seatbelts.

Where costs rise is options. Paint starts at £1,000 ($1,270), while Bridge of Weir leather upholstery costs around £3,900 ($4,950).

Even so, it feels more complete out of the box than many rivals in this segment. The base price is high, but it doesn’t feel stripped back or artificially entry-level.


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This Subaru SUV hits 60 mph in under 5 seconds—and seats seven

Subaru’s new three-row EV packs 420 horspower, real off-road chops, and enough space for the whole family—without feeling boring.

How-To Geek’s take

An EV that finally behaves like a normal car first

Close-up shot of the badging on the front of a 2026 Polestar 3 Dual Motor Performance. Credit: Adam Gray | How-To Geek

The updated Polestar 3 doesn’t try to reinvent what an electric SUV should be. Instead, it focuses on feeling familiar, calm, and easy to live with.

It still has compromises, including a firm ride and heavy touchscreen reliance. But it avoids the overly futuristic feel that turns some drivers away from EVs entirely.

That’s what makes it work. It feels like an electric SUV for people who don’t usually like electric SUVs, and it commits to that idea from start to finish.



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