Check the listing for details. NEW 320W Lenovo H520s Power Supply Replace / Upgrade TE321. Condition: New. Listed at 44.79 USD. KDM POWER, has been in manufacturing and distribution business over 15 years. We are in Houston, Texas USA and mainly focused on designing Power Supplies, Power Converters, AC Adapters, Industrial Supplies, Rackmount, Mobile Rack, Enclosure, Backplane and ODM/OEM requirements from our valued customers worldwide. We offer extensive customer care policies on Satisfaction Guaranteed with FREE Priority Shipping Service in USA. You can definitely count on us with your purchase at all times. Top Seller with highest buyer ratings SAME DAY PRIORITY SHIP IF ORDER RECEIVE BY 3:00CST Specifications: Power Supply Wattage: - 320W SLI/CrossFire Ready: - No 80 Plus Certified: - No Modular: - No Redundant: - No 12 Volt Rails: - Two Power Supply Connectors: - Mother Board Connector: - 20+4 pin Connector x 1 - CPU Connector: - 1 - SATA Connectors: - 3 - 4 Pin Molex: - 2 Cooling: - Internal 40mm ball-bearing fan - Thermal fan speed control Dimensions: - 3.4" x 2.5" x 7"( W x H x D ) Voltage +5V +12V1 +12V2 -12V +3.3V +5V-SB Current 16A 8A 8A 0.8A 16A 2.5A