Rack Power Supplies
Showing Results for Rack Power Supplies
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QNAP
SKU: PWR-PSU-300W-DT02
QNAP 300W Power Supply Unit Delta - PWR-PSU-300W-DT02
In stock · Ships same business day$336.99 -
QNAP
SKU: PWR-PSU-300W-DT01
QNAP 300W Power Supply Unit Single Delta - PWR-PSU-300W-DT01
In stock · Ships same business day$336.99 -
QNAP
SKU: PWR-PSU-320W-FS01
QNAP 320W FSP Power Supply - PWR-PSU-320W-FS01
In stock · Ships same business day$199.99 -
QNAP
SKU: PWR-PSU-350W-FS01
QNAP 350W Power Supply Single FSP - PWR-PSU-350W-FS01
In stock · Ships same business day$298.99 -
QNAP
SKU: SP-B01-500W-S-PSU
QNAP 500W Power Supply Unit TVS-1271U-RP 1 - SP-B01-500W-S-PSU
In stock · Ships same business day$384.99 -
QNAP
SKU: PWR-PSU-550W-HN01
QNAP 550W Power Supply Unit Honor - PWR-PSU-550W-HN01
In stock · Ships same business day$311.99 -
QNAP
SKU: PWR-ADAPTER-60W-A01
QNAP 60W External Power Adapter - PWR-ADAPTER-60W-A01
In stock · Ships same business day$99.99 -
QNAP
SKU: PWR-ADAPTER-65W-A04
QNAP 65W External Power Adapter - PWR-ADAPTER-65W-A04
In stock · Ships same business day$99.99 -
QNAP
SKU: PWR-ADAPTER-65W-A02
QNAP 65W External Power Adapter TBS-453A 1 - PWR-ADAPTER-65W-A02
In stock · Ships same business day$130.99 -
QNAP
SKU: PWR-PSU-700W-FS01
QNAP 700W Power Supply Unit FSP - PWR-PSU-700W-FS01
In stock · Ships same business day$748.99 -
QNAP
SKU: PWR-PSU-750W-CW01
QNAP 750W Power Supply Unit CWT - PWR-PSU-750W-CW01
In stock · Ships same business day$347.99 -
QNAP
SKU: PWR-PSU-800W-DT01
QNAP 800W Delta Power Supply - PWR-PSU-800W-DT01
In stock · Ships same business day$799.99 -
QNAP
SKU: PWR-ADAPTER-90W-A01
QNAP 90W External Power Adapter - PWR-ADAPTER-90W-A01
In stock · Ships same business day$124.99 -
QNAP
SKU: PWR-ADAPTER-96W-A02
QNAP 96W External Power Adapter; - PWR-ADAPTER-96W-A02
In stock · Ships same business day$154.99 -
QNAP
SKU: SP-4BAY-PSU
QNAP Power Supply For 4 Bay Nas - SP-4BAY-PSU
In stock · Ships same business day$173.99 -
QNAP
SKU: SP-8BAY2U-S-PSU
QNAP Power Supply Unit FOR 2U 8BAY NAS FOR - SP-8BAY2U-S-PSU
In stock · Ships same business day$349.99
Rack Power Supplies
Rack-mount power supplies deliver regulated DC to access control panels, CCTV head-ends, and intrusion systems from a 19-inch rack or cabinet. They provide battery backup, output supervision, and centralized distribution for multi-door or multi-camera installations.
Plan Your Deployment
- Output voltage (12/24 VDC) and total amperage at continuous load
- Rack units (1U, 2U, 3U) and depth for the cabinet
- Battery backup sizing (amp-hours) for target hold-up time
- Output count and individually fused/supervised channels
- Fire alarm interface for controlled lock release on alarm
What to Look For
Size the supply for 125% of the calculated continuous load and confirm the battery bank meets the hold-up time required by local code (commonly 4 or 24 hours). Supervised outputs report shorted or open circuits back to the panel, which is required for UL 1076 and UL 294 installations. Rack integration keeps service access at the central gear location.
Common Deployment Scenarios
Rack power supplies are standard in enterprise IDF closets, data center security rooms, and multi-door openings where copper home-runs converge on a central location. They replace scattered wall-wart or transformer-based power in larger systems.