Compare APC Smart-UPS 620INET (SU620INET) UPS System to APC Back-UPS® CS (BK500EI) UPS System

Protect both the computer and the data stored on it with APC's Smart-UPS 620. This line interactive UPS corrects power sags and surges, provides instant power via battery during failures, and protects both AC and phone lines to guard against electrical damage on both lines. It is suitable for small business, departmental and desktop server power protection. ??The Smart-UPS 620 has a 620 volt-amp, 390 watt capacity. In addition to four AC outlets, it has data line protection for fax, modem or 100Base-TX network protection. Data lines provide another path to destruction for power surges and spikes, so protecting the incoming phone lines is an important part of the power protection puzzle. In addition to full-time surge suppression, this model provides EMI/RFI noise isolation to protect data files from contamination. The Smart-UPS 620 protects equipment against surges up to 320 Joules, and it evens out varying voltage levels with its exclusive Double SmartBoost and SmartTrim protectio... Less

The Back-UPS CS provides professional-grade power protection for office and home office systems. Battery powered & surge protected power outlets, built-in phone/fax/modem line (DSL compatible) protection, safe system shutdown software with sophisticated power management features and pro-active audio-visual status indicators ensure office systems and their valuable data are protected from dangerous power surges, spikes and blackouts. Serial or USB connectivity gives users more flexibility making installation quicker and easier. Easy access to a hot-swappable, user-replaceable battery also makes servicing the Back-UPS CS hassle-free. These features along with its classic styling make the Back-UPS CS a perfect choice for protecting your important office and home office systems. Less