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Samsung NP-R580-JSB1US review: Samsung NP-R580-JSB1US

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The most disappointing feature in this otherwise quite attractive Samsung laptop is its battery. With its included six-cell battery, the Samsung NP-R580-JSB1US ran for 2 hours and 31 minutes using our video-playback battery drain test. Though we're not surprised, especially since it has discrete graphics, other integrated-graphics Core i5 laptops such as the Toshiba Satellite E205 had significantly better battery performance. We wish the battery had been a little beefier--the chassis on this model could have handled it, and a 15-inch laptop really needs at least 3 hours of battery life.

The Samsung NP-R580-JSB1US is backed by an industry-standard, one-year warranty. Support is accessible via a toll-free phone line 9 a.m. to 9 p.m. EST, but live chat is available 24-7. An online knowledge base and manuals/driver downloads were easy to find, particularly since Samsung makes so few laptops. Retail chains are happy to sell you their own extended warranties with additional damage protection, but we don't recommend them.

System configurations:

Dell Inspiron i1564-6980CRD
Windows 7 Home Premium (64-bit); 2.13GHz Intel Core i3 M330; 4096MB DDR3 SDRAM 1066MHz; 32MB (Dedicated)/1696MB (Total) Intel GMA HD; 320GB Western Digital 5400rpm

Dell Studio s15z-2249CPN
Windows 7 Home Premium (64-bit); 2.26GHz Intel Core i5 M430; 4096MB DDR3 SDRAM 1066MHz; 64MB (Dedicated)/1696MB (Total) Intel GMA HD; 500GB Seagate 7200rpm

Toshiba Satellite A505-S6025
Windows 7 Home Professional (64-bit); 2.13GHz Intel Core i3 M330; 4096MB DDR3 SDRAM 1066MHz; 512MB Nvidia GeForce 310M; 500GB Hitachi 5400rpm

HP Pavilion dv4-2165dx
Windows 7 Home Premium (64-bit); 2.13GHz Intel Core i3 M330; 4096MB DDR3 SDRAM 1066MHz; 64MB (Dedicated)/1696MB (Total) Intel GMA HD; 500GB Toshiba 7200rpm

HP Pavilion dv7-3165dx
Windows 7 Home Premium (64-bit); 2.5GHz AMD Turion II Dual-Core M620; 4096MB DDR2 SDRAM 800MHz; 320MB ATI Mobility Radeon HD 4200; 500GB Seagate 7200rpm

HP Pavilion dv4-2155dx
Windows 7 Home Premium (64-bit); 2.13GHz Intel Core i3 M330; 4096MB DDR3 SDRAM 1066MHz; 64MB (Dedicated)/1696MB (Total) Intel GMA HD; 320GB Western Digital 7200rpm

Asus U50F-RBBAG05
Windows 7 Home Premium (64-bit); 2.13GHz Intel Core i3 M330; 4096MB DDR3 SDRAM 1066MHz; 64MB (Dedicated)/1696MB (Total) Intel GMA HD; 500GB Hitachi 5400rpm

Asus UL50VT-RBBBK05
Windows 7 Home Premium (64-bit); 1.3GHz Intel Core 2 Duo SU7300 ULV; 4096MB DDR3 SDRAM 1066MHz; 512MB Nvidia GeForce G210M; 500GB Seagate 5400rpm

Toshiba Satellite E205-S1904
Windows 7 Home Premium (64-bit); 2.26GHz Intel Core i5 M430; 4096MB DDR3 SDRAM 1066MHz; 64MB (Dedicated)/1695MB (Total) Intel GMA HD; 500GB Hitachi 5400rpm

Toshiba Satellite P505D-S8007
Windows 7 Home Premium (64-bit); 2.3GHz AMD Turion II Dual-Core M520; 4096MB DDR2 SDRAM 800MHz; 256MB ATI Mobility Radeon HD 4200; 500GB Seagate 7200rpm

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