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PSU
RM650e (2025)
Corsair
$10499
CX450M (2015)
Corsair
$9499
ATX 20+4
11
ATX12V Version
32.4
Color
BlackBlack
Efficiency
-80+ Bronze
EPS 4+4
20
Form Factor
ATXATX
Modular
Yes No
Molex
42
PCIe 6+2
30
SATA
74
Wattage
650W 450W
Part Number
CP-9020302-NA CP-9020302-AU CP-9020302-EU CP-9020302-UKCP-9020101-NA CP-9020101-UK CP-9020101-AU
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Comparison Analysis

Comparing the RM650e (2025) vs CX450M (2015) reveals distinct differences in their targeted use cases.

The CX450M (2015) is the more budget-friendly option, costing approximately $10 (11%) less than the RM650e (2025).