NAS UPS Deals UK – Prime Big Deal Days 2026
Prices checked
Prime Big Deal Days runs 6 to 7 October 2026 for Prime members, with new Today's Big Deals three times a day. We re-check these prices at 08:00, 16:00 and 21:00 UK time.
As an Amazon Associate we earn from qualifying purchases. Prices and availability come from Amazon.co.uk as of the last update and may change.
Nothing on this page is at a price we can confirm as a low today. The best-value option is the UGREEN NAS UPS US2000 at £55.99, which is new to our tracker, so we cannot yet judge it against our own records.
A UPS keeps a NAS running through short power cuts and tells it to shut down cleanly before the battery runs out, which protects the array from corruption. UGREEN's compact DC UPS is built for its NASync units, while APC Back-UPS and CyberPower models work with most brands over USB. Each is checked here against the lowest price we logged for it.
Today's prices, judged against our own records
| Product | Size | Price | Amazon was | Value | Our recorded low | Verdict | |
|---|---|---|---|---|---|---|---|
| UGREEN NAS UPS US2000Prime deal checked 7 Oct 2026 | £55.99 | None yet | No history yet | Buy on Amazon | |||
| UGREEN NAS UPS 120W DC BatteryPrime deal checked 7 Oct 2026 | £89.99 | None yet | No history yet | Buy on Amazon | |||
| APC Back UPS 950VAPrime checked 7 Oct 2026 | £91.15 | None yet | No history yet | Buy on Amazon | |||
| APC BACK-UPS ESPrime checked 7 Oct 2026 | £95.19 | None yet | No history yet | Buy on Amazon | |||
| CyberPower UT1050EIG UT Series checked 7 Oct 2026 | £95.63 | None yet | No history yet | Buy on Amazon | |||
| APC by Schneider Electric BACK-UPS ESPrime checked 7 Oct 2026 | £105.39 | None yet | No history yet | Buy on Amazon | |||
| APC Back UPSPrime deal checked 7 Oct 2026 | £185.70 | None yet | No history yet | Buy on Amazon | |||
| UGREEN NAS DH4300 Plus 4-Bay + checked 7 Oct 2026 | £351.18 | None yet | No history yet | Buy on Amazon |
Verdicts compare today's price with the lowest price we have recorded for the same listing. Amazon was is Amazon's own reference price. Prices can change after our check; the price on Amazon.co.uk at checkout applies.
Is it really a deal?
UPS units do see real cuts at sales events, but we still only call one a low when it beats the price we logged for that listing. None of the 8 products we have re-priced is at or within 3% of its lowest recorded price today. 8 are too new to our tracker to measure, so any was-price shown is Amazon's own claim, not ours.
Frequently asked questions
Do I really need a UPS for a home NAS?
If you run RAID, it is cheap insurance. A sudden power cut during writes can corrupt files or force a long consistency check, and a UPS avoids both.
What size UPS does a NAS need?
A four-bay NAS and a router draw well under 100W, so a small 600VA to 900VA unit gives several minutes to shut down. Larger units are only needed for long runtime.
How does a NAS know the power has failed?
Over the UPS's USB cable. Synology, QNAP, UGREEN and TerraMaster all read the UPS status and can shut down at a set battery level.
Is UGREEN's DC UPS only for UGREEN NAS?
It is designed around NASync power input and software, so it suits UGREEN owners best. For other brands, a standard USB UPS is the safer fit.
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