NEW OPEN BOX Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Mod. New, open box from retails store not in retails box. CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side. TUNED FOR LOW NOISE OPERATION. A 135mm rifle bearing fan with a specially calculated fan curve ensures that fan noise is kept to a minimum, even at full load. When at low and medium loads, the fan stops spinning entirely until it’s needed, resulting in virtually silent operation. A 160mm-long casing ensures an easy fit in almost all modern enthusiast PC cases, providing more space for cable management and airflow in your chassis. 80 PLUS GOLD CERTIFIED. The RM Series delivers power at up to 90% efficiency, lowering energy consumption, noise, temperatures, and your power bill. Using industrial-grade electrolytic capacitors, RM Series power supplies offer the unwavering power and long-term reliability you demand from CORSAIR. ZERO RPM FAN MODE. The RM Series’ cooling fan doesn’t spin until you need it, for near-silent operation at low and medium loads. »Expedited Parcel Canada: 1 day to 3 days / National – up to 7 days. » International Parcel Surface: Deliver in 4-12 weeks. Item Condition Information New, open box from retails store. TUNED FOR LOW NOISE OPERATION A 135mm rifle bearing fan with a specially calculated fan curve ensures that fan noise is kept to a minimum, even at full load. COMPACT SIZE A 160mm-long casing ensures an easy fit in almost all modern enthusiast PC cases, providing more space for cable management and airflow in your chassis. 80 PLUS GOLD CERTIFIED The RM Series delivers power at up to 90% efficiency, lowering energy consumption, noise, temperatures, and your power bill. 105°C-RATED CAPACITORS Using industrial-grade electrolytic capacitors, RM Series power supplies offer the unwavering power and long-term reliability you demand from CORSAIR ZERO RPM FAN MODE The RM Series’ cooling fan doesn’t spin until you need it, for near-silent operation at low and medium loads. New, open box from retails store.