How to view the parameters of the laptop hard disk ah

Look at the serial number, go online and check some of the mainstream hard disk manufacturers, are given their own hard disk serial number parameter definitions, you want to know those basically can see Western Digital No. WD1002FBYS capacity of 1TB hard disk example "WD" stands for "Western Digital", that is, this is a product of Western Digital Corporation. WD" stands for "Western Digital", which means that this is a Western Digital product. The number 100 stands for 10.0, and the unit is 100GB with one decimal place. That is, 1000GB (1TB) The first "F" indicates the capacity (capacity should be read in conjunction with the previous 1002) and size: A = GB/3.5 inch (so 6400A would represent 640.0GB) B = GB/2.5 inch C = GB/1.0 inch E = TB/3.5 inch (e.g., WD10EADS represents 1.5 inch). WD10EADS stands for 1.0TB) F = TB/3.5″ (only look at the first two digits of the first 4 digits, e.g. WD1002FBYS stands for 1.0TB) H = GB/3.5″ (with a backplane) The second "B" denotes the product family (here it means that it is an enterprise drive, and it is a 3-disk drive, and the 1000GB means 333GB per disk). The second "B" denotes the product family (here it means it is an Enterprise drive and comes in a 3-disc set, which is 333GB per disk): A = Desktop/WD Caviar?0?3 Caviar Series B = Enterprise/WD RE (3-disc) C = Desktop/WD Protege?0?3 D = Enterprise/WD Raptor?0?3 E = Mobile/WD Scorpio?0?3 Blue H = Enthusiast/WD Raptor X J = Mobile/WD Scorpio?0?3 Black L = WD VelociRaptor V = Audio/Video - WD AV Y = Enterprise/WD RE4 (4-disc) Next to the penultimate digit The "Y" indicates the cache size and speed (7200 rpm + 32 megabytes of cache): A = 5400 rpm 2MB cache B = 7200 rpm 2MB cache C = Power Saver (auto-adjusting speed) 16MB cache F = 10,000 rpm 16MB cache G = 10,000 rpm 8MB cache J = 7200 rpm 8MB cache K = 7200 rpm 8MB cache 8MB Cache K = 7200 RPM 16MB Cache P = Power Saver (auto-adjusting speed) + max cache of the series V = 5400 RPM 8MB Cache (Notebook HDDs) Y = 7200 RPM + max cache of the series The last "S" stands for the interface type: A = Parallel ATA/66 B = Parallel ATA/100 C = Zero insertion force interface 100 C = Parallel port with zero insertion force interface (30-pin) D = SATA I 1.5 Gb/s transfer speed E = Parallel ATA/133 S = SATA II 3.0 Gb/s transfer speed T = SATA II 3.0 Gb/s transfer speed (Notebook HDDs) To summarize, the model number of the hard drive: WD1002FBYS means "Western Digital 1000GB 3-Disc 7200 RPM Cache 32MB SATA II Enterprise Hard Drive"