How big a UPS for our server cabinet?
Size VA on actual load + 30%, runtime for clean shutdown, not hours.
Try this first
- 1Sum real wattage
- 2Convert to VA, add 30% margin
- 3Runtime: 5-10 min with auto-shutdown is fine
- 4Add network management card for monitoring
When to bring us in
Full racks or long runtime: generator or multiple UPS strings.
See also
- Should we buy or lease laptops as a 5-person company?Both work. Lease is predictable but pricier over the term; buying needs cash and your own depreciation. The difference is mostly admin.
- Is buying refurbished smart or asking for trouble?For office work fine, if from a serious vendor with warranty and a clean OS install. The trap is shady marketplace listings.
- How much RAM and SSD for office work in 2026?Rule of thumb for knowledge work: 16 GB RAM and 512 GB SSD as a comfortable minimum. 8 GB already feels tight; 32 GB is for heavy tools.
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