Compare PSUs
Share Comparison
| PSU | ![]() $11985 | ![]() $9499 |
|---|---|---|
ATX 20+4 | 1 | 1 |
ATX12V Version | 2.4 | 2.4 |
Color | Black | Black |
Efficiency | 80+ Gold | 80+ Bronze |
EPS 4+4 | 1 | 0 |
Form Factor | ATX | ATX |
Modular | Yes | No |
Molex | 3 | 2 |
PCIe 6+2 | 2 | 0 |
SATA | 9 | 4 |
Wattage | 550W | 450W |
Part Number | BN281 BN617 | CP-9020101-NA CP-9020101-UK CP-9020101-AU |
Comparison Analysis
Comparing the Straight Power 11 vs CX450M (2015) reveals distinct differences in their targeted use cases.
The CX450M (2015) is the more budget-friendly option, costing approximately $25 (26%) less than the Straight Power 11.

