Hardware Spec Index

Caldera PW-1637 Plus 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW1637-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,181 (Power Supplies scale)
Category rank#28,091
Street price$59
Power650 W (rated)
Performance per dollar20.02
Released2019

Specifications

BrandCaldera
ModelCaldera PW-1637 Plus
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 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
Teralux PW-8858 Max 1000W 80 PLUS Gold ATX 3.0 Power Supply1,973$169Compare
Novexa PW-6678 Core 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,138$209Compare
Zephyra PW-9904 Core 1300W 80 PLUS Gold ATX 3.1 Power Supply2,369$259Compare
Teralux PW-9133 Pro 850W 80 PLUS Gold SFX Power Supply1,333$79Compare
Vantrel PW-5038 Plus 1000W 80 PLUS Gold SFX Power Supply2,106$159Compare
Novexa PW-6061 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,980$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1637 Plus 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2728441 (accessed 2026-10-23).