APC Back-UPS Pro for Gaming BGM2200-UK vs Eaton 3S Gen2 UPS 3S550B

Researched, not hands-on tested.How we review ›

all judged against UPS units at a similar price

The APC Back-UPS Pro for Gaming BGM2200-UK scores 6.9/10 overall, ahead of the Eaton 3S Gen2 UPS 3S550B at 5.6/10.

The APC Back-UPS Pro for Gaming BGM2200-UK leads on topology and waveform, capacity and runtime and battery.

The Eaton 3S Gen2 UPS 3S550B leads on NAS and server integration.

They score the same on UK outlets and build.

The biggest difference is topology and waveform, where the APC Back-UPS Pro for Gaming BGM2200-UK scores 8/10 to the Eaton 3S Gen2 UPS 3S550B's 4/10.

APC Back-UPS Pro for Gaming BGM2200-UK

6.9/10verdict: buy

The APC Back-UPS Pro for Gaming BGM2200-UK is for buyers who want a large, pure sine wave line-interactive UPS for a PC or a small homelab. It suits people who need plenty of power headroom and a battery they can swap themselves. It is less clearly aimed at anyone who needs documented NAS auto-shutdown support.

Typically about £424.26 in the UK when we researched itCheck price at Amazon UK

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Eaton 3S Gen2 UPS 3S550B

5.6/10verdict: good, not the best

The Eaton 3S Gen2 3S550B is a small standby UPS for a home desk or a compact homelab. It suits someone protecting a NAS, router and switch who wants USB-triggered shutdown and a user-replaceable battery. It doesn't suit anyone who needs a confirmed waveform, a published runtime or network management.

Typically about £83.99 in the UK when we researched itCheck price at Amazon UK

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Scores, criterion by criterion

Criterion	Weight	APC Back-UPS Pro for Gaming BGM2200-UK	Eaton 3S Gen2 UPS 3S550B
Topology and waveform	25%	8/10	4/10
NAS and server integration	25%	5/10	7/10
Capacity	20%	9/10	6/10
Runtime and battery	15%	6/10	5/10
UK outlets and build	15%	6/10	6/10
Overall		6.9/10	5.6/10

Specifications

Spec	APC Back-UPS Pro for Gaming BGM2200-UK	Eaton 3S Gen2 UPS 3S550B
Capacity (VA / W)	2200 VA / 1320 W	550 VA / 330 W
Topology	Line-interactive	Offline/Standby
Output waveform	Pure sine wave	not listed
Outlets	not listed	6 UK outlets: 3 with battery backup and surge protection, 3 surge-only
Runtime at half load	6.75 min at half load; 0.5 min at full load	not listed
USB / network management	not listed	USB port (HID-compliant), Eaton UPS Companion software, auto shutdown function; no Ethernet or network card
Battery	Sealed lead-acid, 24 V	12 V / 5 Ah sealed VRLA, one battery, user replaceable

Strengths and weaknesses

APC Back-UPS Pro for Gaming BGM2200-UK

+ 1320 W output leaves large headroom
+ Pure sine wave with automatic voltage regulation
+ Battery is user-replaceable, with a named cartridge
− Only 0.5 minutes of runtime at full load
− 16-hour battery recharge time
− Owners find the buttons unintuitive

Skip it if:

Rack-mount users, since this is a tower with 0U rack capacity.
Buyers who need a long runtime at high load.
Anyone who needs online double-conversion protection.

Read the full APC Back-UPS Pro for Gaming BGM2200-UK review ›

Eaton 3S Gen2 UPS 3S550B

+ USB port is HID-compliant, with automatic shutdown support
+ Battery is a single user-replaceable sealed unit
+ Six UK outlets, three of them with battery backup
− Half-load runtime isn't published by the manufacturer
− No Ethernet port or network card

Skip it if:

Buyers who need a confirmed pure sine wave output
Anyone needing network-card monitoring for several servers
Users who need a published runtime figure before buying

Read the full Eaton 3S Gen2 UPS 3S550B review ›

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