Researched, not hands-on tested.How we review ›
all judged against UPS units at a similar priceThe APC Back-UPS BE650G2-UK scores 5.3/10 overall, ahead of the APC Back-UPS BX750MI at 5.2/10.
The APC Back-UPS BE650G2-UK leads on NAS and server integration and UK outlets and build.
The APC Back-UPS BX750MI leads on topology and waveform, capacity and runtime and battery.
The biggest difference is UK outlets and build, where the APC Back-UPS BE650G2-UK scores 7/10 to the APC Back-UPS BX750MI's 4/10.
This is a compact standby UPS for a home office or small homelab with a NAS, router and switch. It suits buyers who want UK sockets, a user-replaceable battery and a USB link for a clean shutdown. It is not aimed at long outages or heavy loads.
Typically about £99.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details
The APC Back-UPS BX750MI is for people protecting a small NAS, router and switch who already own IEC C14 power leads. It suits a buyer who values line-interactive protection and decent battery runtime more than a pure sine wave output. It is less suited to anyone who needs confirmed automatic NAS shutdown or UK 13A sockets on the unit.
Typically about £84.80 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details
| Criterion | Weight | APC Back-UPS BE650G2-UK | APC Back-UPS BX750MI |
|---|---|---|---|
| Topology and waveform | 25% | 4/10 | 5/10 |
| NAS and server integration | 25% | 5/10 | 4/10 |
| Capacity | 20% | 6/10 | 7/10 |
| Runtime and battery | 15% | 5/10 | 6/10 |
| UK outlets and build | 15% | 7/10 | 4/10 |
| Overall | 5.3/10 | 5.2/10 |
| Spec | APC Back-UPS BE650G2-UK | APC Back-UPS BX750MI |
|---|---|---|
| Capacity (VA / W) | 650 VA / 400 W | 750 VA / 410 W |
| Topology | Standby (offline), per distributor and retailer pages; not stated on APC pages | Line-interactive |
| Output waveform | not listed | Stepped approximation to a sine wave, not pure sine |
| Outlets | 8 total: 6 battery backup and surge protection, 2 surge protection only; BS 1363 (UK) | Four IEC 60320 C13 outlets, all battery-backed |
| Runtime at half load | not listed | 8.5 minutes at half load (full load 1 minute), retailer spec table, not confirmed on APC page |
| USB / network management | USB Type A port; no network card listed | USB port listed; USB HID protocol and Synology/QNAP/TrueNAS support not confirmed on an APC page |
| Battery | Sealed lead-acid, user-replaceable; RBC quantity 1 | Sealed lead-acid, 12 V nominal; recharge time 8 hours; expected life 3-5 years; user replaceability not confirmed on an APC page |
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