Power Supply250W Power Supply Unit QNAP SP-4BAY-PSU 250W Power Supply Unit Please feel free to contact us about this item, and we will recommend an IT Sales and Service Provider in your area. Resellers: Log in for pricing and to place orders. In stock email will be sent. Instock notification already exists. Please sign in first. Enquire Order SKU: Supplier Code: Summary TS-439 Pro/ Pro II+, TS-453 Pro, TS-853S Pro(SS-853 Pro),TS-459 Pro/Pro+/II,TS-469L, TS-469 Pro, TS-470, TS-470 Pro,TVS-471, TVS-471U What's Popular 5V DC, 0.6A Power Adapter for Yealink Phones 5V, 1A Power Supply for Yealink and Flyingvoice IP Phones 210W AC Adapter, 54V DC, 5.5 x 2.1 x 11.5 mm Output Plug Send us an email for this product Message sent Failed to send message, please try again Name Email Message Website URL Close Send