?Hard disk drives are important storage units of your laptop. Get only from trusted brands to be sure of the quality. Laptops are technological innovations to the once bulky desktop computers. It is more compact and portable while still performing as good as or even better than the desktop computers. There's an enormous selection of notebooks out in the market, from the simplest laptops processors to a more dominant mobile stations processor. The average hard drive a laptop can have is from 20 to 120 Gigabytes some have two HDD portable systems but exceptional. These are storage units for your different files. Some of the well known manufacturers of laptop hard drives are IBM, Fujitsu, Hitachi and Toshiba. The Seagate, Western Digital and Samsung are some of the trusted manufacturers. There is also Integral and Conner Technology HDDs and Quantum. Some of the newest and reliable laptop hard drives out in the market are the following with its specification: Western Digital WD Scorpio series with capacity of 40 to 80 GB, six other drives with diverse capacity and size includes WD400UE, WD600UE, WD800UE, WD400VE, WD60VE and WD800VE with 8 MB buffer. WD represents the latest optimization and efficiency boost technology. Samsung It showcases the new SpinPoint M40 Series. It has four models which perform 5400 RPM having 8 MB buffer. This includes the MP0302H, MP0603H, MP0402H, and MP0804H with 30 to 80 GB. Seagate It is also a renowned brand for hard drives. It offers a wide variety series of drives from 60 to 100 GB Momentus 400 series of models like ST960821A, ST980821A and ST9100822A. It has 8 MB buffer that performs at 420 RPM. Momentus 5400.2 series have PATA interface with models ST96812A, ST93811A, ST9100824A, ST94813A, ST98823A, and ST9120821A with 30 to 129 GB capacity. Seagate also has the most modern series with 2.25 form feature hard drives in Momentus 7200.1 series with 7299 RPM, 8 MB buffer and 60 to 100 GB. It can also have two series with PATA interface and the support of SATA interface. Having maximum interface of 100MB/sec is quite good. Toshiba It is the leading manufacturer of hard drives when it comes to portable computer. It produces the well known 0.85-, 1.8- and 2.5-inch hard disk drives. In today's fast changing technology, Toshiba offers GAS series with 4200 RPM, 8 MB and the GAX series with 5400 RPM, 16 MB only the spindle alternation was the difference. Fujitsu It offers a hard drive disk that performs at 4200 RPM for MHV2xxxAT, MHT2xxxAH, MHT2xxxAT, MHV2xxxBH, MHU2xxxAT series; and 5400 RPM for MHV2xxxAH, MHT2xxxBH series. All of these models have the capacity of 20 to 120 GB. Hitachi It is the largest company of hard drive disk. They have two types of laptop HDD. One is the Endurastar with 20-30 GB, J4K20, J4K30, N4K30 and N4K20 drives and the Travelstar drive have 7E100 with 6 models of 60 to 100 GB with PATA/SATA interface. There is also the A7E100 series with 6 models from 60 to 100 GB with PATA/SATA interface. The 7E60 only has 1 model with 60 GB capacity. The A7E60 has 2 models with 40 to 60 GB capacity. When choosing a hard drive for your laptop, make sure that you go for the most advanced and trusted manufacturer for a guaranteed high quality performance. It will be very reliable in protecting your most important files. Pay attention to the product warranty also. Look into the different storage capacities and make sure your files will fit. Leave room for more files to be saved in the future. For more information on Laptop Harddrives and Laptop Hard Drives.Please visit our website.