Green disk, blue disk, black disk and red disk are classified by western data according to the characteristics of its hard disk. Generally speaking, the so-called black disk, blue disk, green disk and red disk refer to the paper pasted on Western data hard disk, which is black, blue, green or red.
Black disk: high performance, large cache, fast speed. Code name: LS WD Caviar Black. It is mainly suitable for enterprises, high throughput servers, high performance computing applications, such as multimedia video and photo editing, high performance game machines.
Cache: 32 MB
Capacity: 1TB; 750GB; 640gb; 500GB
Blue disk: ordinary hard disk, suitable for home use. The advantages are strong performance, low price and high cost performance; the disadvantages are that the sound is slightly louder than the green disk and the performance is slightly worse than the black disk.
Cache size: 2 Mb; 8 MB; 16 MB
Capacity: 40 Gb to 750 GB
Green disk: SATA hard disk, lower heat, quieter, more environmentally friendly. Energy saving disk, suitable for large capacity storage; using IntelliPower technology, the speed is 5400 rpm. The advantages are quiet and low price; the disadvantages are poor performance, high delay and short life.
Cache size: 32 MB; 16 MB; 64 MB
Capacity: 2 TB; 1.5tb; 1TB; 808gb; 750GB; 500GB
Red disk: the new hard disk for NAS market launched by Western Digital is for home or small enterprise NAS users with 1-5 hard disk bits. The performance characteristics are close to that of the green disk. It has low power consumption, low noise, and can adapt to long-time continuous work. It has the characteristic technology nasware, which makes its compatibility more excellent. It can have outstanding compatibility performance for both NAS and raid.
Cache size: 64MB
Capacity: 1t, 2T, 3T, 4T, 6T