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Dell D850EF-01 - 850W Modular Power Supply for Alienware Aurora R5 R6 R7 - CPU Medics
Alienware Aurora R7 review | TechRadar
New Original Psu For Dell Alienware R8r7 850w Power Supply D850ef-00 D850ef-01 Njvdn Hu850ef-00 Hu850ef-01 Hk950-11pp Hk950-51pp - Pc Power Supplies - AliExpress
Amazon.com: 850W Upgraded Version Workstation Server Gaming Full Modular Power Supply Compatible with Dell Alienware Aurora R2 R5 R6 R7 A51 XPS 8910 8920 8930 T3630 T3640 Inspiron 5675 5680 48Y6D D850EF-00 : Electronics