CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary patent-pending side cable interface to keep all your connections within easy reach, for exceptionally convenient 80 PLUS Gold efficient power.

Specification
RM850x (850W)
Cybenetics Efficiency: Gold
Cybenetics Noise: A
ATX Connector: 1
ATX12V Version: 3.1
Cable Type: Type 5
Continuous Power: 850 Watts
EPS Connector: 2
Fan Bearing Technology: FDB
Fan Size: 140mm
MTBF Hours: 100,000 hours
SATA Connector: 12
PATA Connector: 8
Modern Standby: Yes
PCIe Connector: 4
80 PLUS Efficiency: Gold
Weight: 3.3kg

RM1000x (1000W)
Cybenetics Efficiency: Gold
Cybenetics Noise: A
ATX Connector: 1
ATX12V Version: 3.1
Cable Type: Type 5
Continuous Power: 1000 Watts
Fan Size: 140mm
MTBF Hours: 100,000 hours
SATA Connector: 16
PATA Connector: 8
Modern Standby: Yes
PCIe Connector: 7
80 PLUS Efficiency: Gold
Weight: 3.9kg
EPS Connector: 2
Fan Bearing Technology: FDB

RM1200x (1200W)
Cybenetics Efficiency: Gold
Cybenetics Noise: A
ATX Connector: 1
ATX12V Version: 3.1
Cable Type: Type 5
Continuous Power: 1200 Watts
Fan Size: 140mm
MTBF Hours: 100,000 hours
SATA Connector: 16
PATA Connector: 8
Modern Standby: Yes
PCIe Connector: 7
80 PLUS Efficiency: Gold
Weight: 3.9kg
EPS Connector: 2
Fan Bearing Technology: FDB