Hardware Spec Index

Caldera PW-2921 Edge 1200W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW2921-EDGE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index2,623 (Power Supplies scale)
Category rank#18,714
Street price$339
Power1200 W (rated)
Performance per dollar7.74
Released2021

Specifications

BrandCaldera
ModelCaldera PW-2921 Edge
Rated output1,200 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5140 Prime 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,905$309Compare
Zephyra PW-7981 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply1,868$139Compare
Teralux PW-1706 XT 1000W 80 PLUS Gold ATX Power Supply2,099$189Compare
Zephyra PW-1355 Ultra 1300W 80 PLUS Gold ATX Power Supply2,415$299Compare
Zephyra PW-7267 Prime 1200W 80 PLUS Titanium ATX Power Supply2,713$359Compare
Novexa PW-2351 Pro 1200W 80 PLUS Gold ATX 3.1 Power Supply1,987$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2921 Edge 1200W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/5459229 (accessed 2026-10-23).