A decade ago today, I set up the computer on which I’m typing this post. That is an absurdly long lifespan for any computer, much less one that’s seen near-daily use over that many years.

But here we–meaning me and the late 2009 iMac that’s now graced the same desk for 10 years–are. Three things made this longevity possible.

One is my working mainly in text and non-moving images. If I had to do any serious video editing, this model’s processor would have forced its retirement long ago. As is, there’s not that much computational labor involved in polishing prose–and while working with high-resolution photos can require a few CPU cycles, I do most of that editing online anyway.

Another is the relative repairability of this model. In the previous decade, Apple still designed desktops that allowed memory upgrades, so I took advantage of that option to double this iMac’s RAM early on. Apple didn’t intend for owners of this model to replace the hard drive, but its design left that possible with fairly simple tools–as in, no need to cut through adhesive holding the screen in place. I didn’t exploit that opportunity until a couple of years later than I should have, but the SSD upgrade I performed last spring now looks like some of the best $200 I’ve spent.

I could have replaced the optical drive that stopped reading CDs and DVDs in the same manner, but instead I bought a cheap Samsung DVD burner and plugged that into a free USB port–so much for the all-in-one concept!

(My second-longest-tenured daily-use computer, the Mac clone I kept from 1996 to 2002, was far more tolerant of tinkering, since Power Computing designed it along the lines of any PC desktop. That box ended its service to me after two processor upgrades, one hard drive replacement, an internal power-supply transplant, a memory upgrade and the addition of two USB ports.)

Last comes Apple’s baffling inability to keep its desktops current over any sustained stretch of time. The company formerly known as “Apple Computer, Inc.” spent several years not updating the iMac or Mac mini at all. By the time it finally refreshed the iMac, buying a new all-in-one desktop would have meant buying a 4K monitor inseparable from a computer would grow obsolete well before the display. But when Apple finally updated the moribund Mac mini last year, it shipped it with a joke of a 128 GB SSD and then listed insultingly high prices for adequate storage.

It’s since slightly moderated the storage rip-off, but the Mac mini has now gone over a year without an update, so I’d feel like a chump paying new-Mac pricing for that old design now. Even though my legacy Mac is now living two editions of macOS in the past–Apple dropped support for this model with macOS Mojave, leaving macOS Catalina completely out of the question. If Apple weren’t still shipping security updates for macOS High Sierra, I’d be in a real pickle.

Okay, I guess there’s a fourth factor behind this iMac’s longevity: I can be really cheap, stubborn or both sometimes.

Updated 12/3/2019 to note my OS-support issues and better crop a photo.