Hardware Spec Index

Vantrel PW-2891 Core 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Vantrel · SKU PW2891-CORE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index924 (Power Supplies scale)
Category rank#10,982
Street price$49
Power650 W (rated)
Performance per dollar18.86
Released2020

Specifications

BrandVantrel
ModelVantrel PW-2891 Core
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-3713 SE 1200W 80 PLUS Platinum ATX Power Supply2,169$229Compare
Novexa PW-8970 Pro 850W 80 PLUS Gold ATX Power Supply1,382$69Compare
Caldera PW-6827 SE 650W 80 PLUS Gold ATX 3.0 Power Supply1,067$49Compare
Caldera PW-3062 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,696$259Compare
Zephyra PW-2520 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply868$39Compare
Caldera PW-5586 Core 1200W 80 PLUS Platinum ATX Power Supply2,632$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-2891 Core 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/1444359 (accessed 2026-10-26).