Is It Safe to Leave a NAS On 24/7?
Published: 21 Eylül 2026
Pulling live prices…
Live data across PricePerGig listings. Prices may change; Updated every few hours.
📊 As of September 28, 2026, the typical NAS on Amazon.com is $115/TB or $0.115/GB across the 5,912 live listings we track, with the widest choice of drives priced around $36.6/TB or $0.037/GB. The best deals on Amazon.com start from about $270 for 8TB ($33.8/TB), $340 for 14TB ($24.3/TB) and $599 for 20TB ($30/TB). The current best value is 14TB at roughly $24.3 per TB.
📊 As of September 28, 2026, the typical NAS on eBay.com is $113/TB or $0.113/GB across the 11,060 live listings we track, with the widest choice of drives priced around $95.8/TB or $0.096/GB. The best deals on eBay.com start from about $190 for 8TB ($23.7/TB), $300 for 14TB ($21.4/TB) and $520 for 20TB ($26/TB). The current best value is 10TB at roughly $19.9 per TB.
📊 As of September 28, 2026, the typical NAS on Newegg.com is $99.8/TB or $0.10/GB across the 1,135 live listings we track, with the widest choice of drives priced around $42.8/TB or $0.043/GB. The best deals on Newegg.com start from about $325 for 8TB ($40.6/TB), $525 for 14TB ($37.5/TB) and $860 for 20TB ($43/TB). The current best value is 10TB at roughly $37.5 per TB.
📊 As of 28 September 2026, the typical NAS on Amazon.co.uk is £153/TB or £0.153/GB across the 3,350 live listings we track, with the widest choice of drives priced around £61.6/TB or £0.062/GB. The best deals on Amazon.co.uk start from about £299 for 8TB (£37.4/TB), £367 for 14TB (£26.2/TB) and £612 for 20TB (£30.6/TB). The current best value is 14TB at roughly £26.2 per TB.
📊 As of 28 September 2026, the typical NAS on eBay.co.uk is £95.3/TB or £0.095/GB across the 10,593 live listings we track, with the widest choice of drives priced around £28.1/TB or £0.028/GB. The best deals on eBay.co.uk start from about £200 for 8TB (£25/TB), £256 for 14TB (£18.3/TB) and £568 for 20TB (£28.4/TB). The current best value is 14TB at roughly £18.3 per TB.
📊 As of 28 September 2026, the typical NAS on Box.co.uk is £53.6/TB or £0.054/GB across the 75 live listings we track, with the widest choice of drives priced around £44.1/TB or £0.044/GB. The best deals on Box.co.uk start from about £108 for 2TB (£54/TB), £209 for 6TB (£34.8/TB) and £275 for 8TB (£34.4/TB). The current best value is 8TB at roughly £34.4 per TB.
📊 As of 28. September 2026, the typical NAS on Amazon.de is 176 €/TB or 0,176 €/GB across the 2,996 live listings we track, with the widest choice of drives priced around 46,3 €/TB or 0,046 €/GB. The best deals on Amazon.de start from about 324 € for 8TB (40,5 €/TB), 400 € for 14TB (28,6 €/TB) and 600 € for 20TB (30 €/TB). The current best value is 16TB at roughly 28,1 € per TB.
📊 As of 28. September 2026, the typical NAS on eBay.de is 89,2 €/TB or 0,089 €/GB across the 16,290 live listings we track, with the widest choice of drives priced around 99,4 €/TB or 0,099 €/GB. The best deals on eBay.de start from about 237 € for 8TB (29,7 €/TB), 299 € for 14TB (21,4 €/TB) and 530 € for 20TB (26,5 €/TB). The current best value is 14TB at roughly 21,4 € per TB.
📊 As of 28. September 2026, the typical NAS on Alternate.de is 58,8 €/TB or 0,059 €/GB across the 150 live listings we track, with the widest choice of drives priced around 50,7 €/TB or 0,051 €/GB. The best deals on Alternate.de start from about 276 € for 8TB (34,5 €/TB), 539 € for 12TB (44,9 €/TB) and 599 € for 16TB (37,4 €/TB). The current best value is 8TB at roughly 34,5 € per TB.
📊 As of 28 September 2026, the typical NAS on eBay.com.au is $136/TB or $0.136/GB across the 3,681 live listings we track, with the widest choice of drives priced around $85.8/TB or $0.086/GB. The best deals on eBay.com.au start from about $550 for 8TB ($68.8/TB), $599 for 14TB ($42.8/TB) and $1,145 for 20TB ($57.3/TB). The current best value is 14TB at roughly $42.8 per TB.
📊 As of 28 septembre 2026, the typical NAS on Amazon.fr is 196 €/TB or 0,196 €/GB across the 1,526 live listings we track, with the widest choice of drives priced around 103 €/TB or 0,103 €/GB. The best deals on Amazon.fr start from about 352 € for 8TB (44 €/TB), 596 € for 14TB (42,5 €/TB) and 789 € for 20TB (39,5 €/TB). The current best value is 16TB at roughly 28,7 € per TB.
📊 As of 28 de septiembre de 2026, the typical NAS on Amazon.es is 163 €/TB or 0,163 €/GB across the 2,320 live listings we track, with the widest choice of drives priced around 46,5 €/TB or 0,047 €/GB. The best deals on Amazon.es start from about 326 € for 8TB (40,7 €/TB), 525 € for 14TB (37,5 €/TB) and 750 € for 20TB (37,5 €/TB). The current best value is 16TB at roughly 28,7 € per TB.
📊 As of September 28, 2026, the typical NAS on Amazon.ca is $209/TB or $0.209/GB across the 1,974 live listings we track, with the widest choice of drives priced around $62.1/TB or $0.062/GB. The best deals on Amazon.ca start from about $441 for 8TB ($55.1/TB), $567 for 14TB ($40.5/TB) and $947 for 20TB ($47.3/TB). The current best value is 14TB at roughly $40.5 per TB.
📊 As of September 28, 2026, the typical NAS on eBay.ca is $407/TB or $0.407/GB across the 1,300 live listings we track, with the widest choice of drives priced around $43.3/TB or $0.043/GB. The best deals on eBay.ca start from about $200 for 8TB ($25/TB), $390 for 14TB ($27.9/TB) and $475 for 20TB ($23.7/TB). The current best value is 20TB at roughly $23.7 per TB.
📊 As of September 28, 2026, the typical NAS on Newegg.ca is $144/TB or $0.144/GB across the 447 live listings we track, with the widest choice of drives priced around $65.9/TB or $0.066/GB. The best deals on Newegg.ca start from about $420 for 8TB ($52.5/TB), $725 for 14TB ($51.8/TB) and $1,042 for 20TB ($52.1/TB). The current best value is 14TB at roughly $51.8 per TB.
📊 As of 28 september 2026, the typical NAS on Amazon.nl is € 108/TB or € 0,108/GB across the 1,650 live listings we track, with the widest choice of drives priced around € 51,6/TB or € 0,052/GB. The best deals on Amazon.nl start from about € 281 for 8TB (€ 35,1/TB), € 491 for 14TB (€ 35/TB) and € 559 for 20TB (€ 28/TB). The current best value is 20TB at roughly € 28 per TB.
📊 As of 28 settembre 2026, the typical NAS on Amazon.it is 179 €/TB or 0,179 €/GB across the 3,394 live listings we track, with the widest choice of drives priced around 48,9 €/TB or 0,049 €/GB. The best deals on Amazon.it start from about 328 € for 8TB (41 €/TB), 500 € for 14TB (35,7 €/TB) and 756 € for 20TB (37,8 €/TB). The current best value is 16TB at roughly 30 € per TB.
📊 As of 28 settembre 2026, the typical NAS on eBay.it is 93,6 €/TB or 0,094 €/GB across the 7,028 live listings we track, with the widest choice of drives priced around 92,6 €/TB or 0,093 €/GB. The best deals on eBay.it start from about 255 € for 8TB (31,9 €/TB), 290 € for 14TB (20,7 €/TB) and 455 € for 18TB (25,3 €/TB). The current best value is 14TB at roughly 20,7 € per TB.
📊 As of 28 september 2026, the typical NAS on Amazon.se is 1 559 kr/TB or 1,559 kr/GB across the 930 live listings we track, with the widest choice of drives priced around 793 kr/TB or 0,793 kr/GB. The best deals on Amazon.se start from about 1 111 kr for 2TB (556 kr/TB), 1 771 kr for 4TB (443 kr/TB) and 1 500 kr for 6TB (250 kr/TB). The current best value is 6TB at roughly 250 kr per TB.
📊 As of 28 września 2026, the typical NAS on Amazon.pl is 609 zł/TB or 0,609 zł/GB across the 1,051 live listings we track, with the widest choice of drives priced around 286 zł/TB or 0,286 zł/GB. The best deals on Amazon.pl start from about 1188 zł for 8TB (148 zł/TB), 172 zł for 10TB (17,2 zł/TB) and 2214 zł for 14TB (158 zł/TB). The current best value is 10TB at roughly 17,2 zł per TB.
Sourced from real discussions on r/synology and r/homelab, cross-checked against live PricePerGig listings.
Got a NAS humming away and wondering if leaving it on all the time is doing harm? Relax. Running 24/7 is exactly what a NAS is built for.
NAS drives are designed for constant operation, and being always on is in many ways gentler than repeatedly starting and stopping. The only real costs are a little power and some heat, both easy to manage.
Let me reassure you properly.
The table above shows the live price per TB on your marketplace for drives built to run non-stop.
NAS drives are made for this
This is the key point.
NAS and enterprise drives are specifically rated for 24/7 always-on duty. That is the whole reason they exist, as opposed to desktop drives meant for occasional use.
So leaving your NAS running constantly is not abuse. It is the intended use case. The drives expect it and handle it happily for years.
We cover choosing them in the best drives for a NAS.
Constant running can be gentler
A counterintuitive but real point.
Every time a drive spins up from cold, there is a small mechanical event, as we discuss in do hard drives wear out from on-off cycles.
A drive that stays spinning avoids those repeated start-stop stresses. It racks up more running hours, but skips the cold-start wear. The two roughly balance out, which is why datacentres happily run drives non-stop for years.
So always-on is not the drive-killer people imagine. Cooling matters far more than uptime.
The real costs: power and heat
To be fair, running 24/7 is not entirely free.
- Power. A NAS sips electricity all day, every day. It is modest, but it adds up over a year. You can let idle drives spin down to trim it.
- Heat. Constant running generates some heat, so give the NAS decent airflow and do not box it into a stuffy cupboard.
Manage those two and there is no downside worth worrying about. We dig into the power side in how much power does a hard drive use.
On or off, your choice
Both are fine, so pick what suits you.
- Leave it on for always-available files, automatic backups and remote access. This is what most people do.
- Switch it off overnight if you only use it occasionally and want to trim power, accepting it will not back up or serve files while off.
Either way, the drives cope. It is a convenience and power decision, not a safety one.
The bottom line
Yes, it is perfectly safe to leave a NAS on 24/7. NAS drives are built for exactly that, and constant running even avoids start-stop wear. The only real costs are modest power and some heat, both easily handled with good airflow and idle spin-down.
Use proper NAS drives, keep the box cool, and run it however suits you. Grab drives built for non-stop duty at the best price per TB from the live table above, and let your NAS hum away with no worys.
