Seasonic PRIME PX PRIME PX-550 (SSR-550PD2)
 | When you make a purchase through links on our site, we may receive a affiliate commission. Buy! Seasonic SSR-550PD2 Seasonic 550-Watts 100-240V AC 47-63Hz 80-Plus Platinum ATX12V/EPS12V Power Supply Refurbished SSR-550PDETechBuy.comDelivery: in USA Report |
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Certified 80+ Platinum. Power reserve (up to + 31%). Case and set of cable ties for storage and cable management. Possibility to independently choose the mode of operation of the cooler. Efficient cooling system with hybrid operation.
The Prime Ultra Platinum series of power supplies is primarily designed to build powerful and reliable gaming PCs. Specifically, this modification, first of all, can boast of having an 80 PLUS PLATINUM certificate and a rated power of 550 watts. The power supply received a full set of protective systems (OVP / UVP, SCP, OTP, OPP, OCP), which allows the device to power expensive computer hardware, which is extremely sensitive to power quality.
It can also have a hybrid cooling system, and the fan is based on a high-quality hydrodynamic bearing, and therefore the Sea Sonic Prime Ultra Platinum SSR-550PD2 power supply is not prone to creating high noise. The wiring uses a fully modular connection concept. The list of interfaces includes the following connectors: motherboard power (20+4 pins), CPU power (4+4 pins), additional graphics card power (several 6+2 pins), SATA (6 pcs), PATA (5 pcs), Floppy .
The wires are protected by a high quality nylon braid. At the same time, the wiring is long enough for concealed installation via cable management. This power supply model has an ATX form factor and is designed for installation in a Mini, Midi or Full Tower system unit. High reliability, good protection and a good level of power make it possible to use the device when creating an advanced gaming system.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Seasonic 2026 - new arrivals, bestsellers, and the most relevant models Seasonic.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Seasonic 2026 - new arrivals, bestsellers, and the most relevant models Seasonic.
Series Seasonic PRIMECompare using chart →
550 W, 24+8 (4+4) pin, 2 x 6+2 pin, SATA 6, Molex 5, ATX, modular, Efficiency 92 %, semi-passive СО, certificate 80+ Platinum, warranty 12 years
2200 W, 24+8+8+8 pin, 4 x 6+2 pin, 4 x 16 pin, SATA 18, Molex 3, ATX, modular, Efficiency 92 %, semi-passive СО, certificate 80+ Platinum, warranty 12 years
1600 W, 24+8+8+8 pin, 8 x 6+2 pin, 2 x 16 pin, SATA 18, Molex 3, ATX, modular, Efficiency 96 %, semi-passive СО, mining, certificate 80+ Titanium, warranty 12 years
700 W, 24+8+8(4+4) pin, 4 x 6+2 pin, SATA 10, Molex 5, ATX, modular, Efficiency 94 %, certificate 80+ Titanium, warranty 12 years
1600 W, 24+8+8+8 pin, 6 x 6+2 pin, 2 x 16 pin, SATA 18, Molex 3, ATX, modular, Efficiency 94 %, semi-passive СО, mining, certificate 80+ Titanium, warranty 12 years
1600 W, 24+8+8+8 pin, 6 x 6+2 pin, 2 x 16 pin, SATA 18, Molex 3, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Titanium, warranty 12 years
500 W, 24+8+8(4+4) pin, 1 x 6+2 pin, SATA 8, Molex 5, ATX, modular, Efficiency 92 %, certificate 80+ Platinum, warranty 12 years
850 W, 24+8+8(4+4) pin, 6 x 6+2 pin, SATA 10, Molex 5, ATX, modular, Efficiency 94 %, mining, certificate 80+ Titanium, warranty 12 years
1600 W, 24+8+8+8 pin, 8 x 6+2 pin, 2 x 16 pin, SATA 18, Molex 3, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum, warranty 12 years
1300 W, 24+8+8+8 pin, 6 x 6+2 pin, 1 x 16 pin, SATA 18, Molex 3, ATX, modular, Efficiency 94 %, semi-passive СО, mining, certificate 80+ Titanium, warranty 12 years
850 W, 24+8+8(4+4) pin, 6 x 6+2 pin, SATA 10, Molex 5, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 12 years
1000 W, 24+8+8(4+4) pin, 8 x 6+2 pin, SATA 12, Molex 5, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 12 years
750 W, 24+8+8(4+4) pin, 4 x 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 94 %, semi-passive СО, certificate 80+ Gold, warranty 12 years
1300 W, 24+8+8(4+4) pin, 12 x 6+2 pin, SATA 12, Molex 5, ATX, modular, Efficiency 94 %, semi-passive СО, mining, certificate 80+ Platinum, warranty 12 years
1300 W, 24+8+8(4+4) pin, 12 x 6+2 pin, SATA 12, Molex 5, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 12 years
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High-quality PSU. In use several units. They don't make noise, don't heat up. In the PSU, for a very decent amount, the cables are without braid and, in my opinion, overly soft. Previously, the wires were braided and somewhat stiffer.  Viktor : use Seasonic PRIME PX-1000 more than year |
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