WD/HGST DC HC330 3.5" 10TB, 7.2K SAS 3 256MB - WUS721010AL5201

Detailed information

Characteristics

Disks with moving parts are generally slower than SSDs, but achieve large capacities and have a better price-per-GB ratio. Server drives are more reliable than desktop drives and achieve higher MTBF (mean time to failure).

Interface

When choosing a hard drive, you need to consider the choice of SATA, SAS, or NVMe drives. SATA  and SAS drives are intended for both hard drives and SSDs and differ in theoretical transfer speeds. NVMe drives are flash only and as such achieve the highest reading and writing values and are also characterized by very low latency.

Speed and capacity

The key parameter for hard drives is the speed of rotation of the platters, which for hard drives range between 5400 rpm – 15000rpm. Which directly affects the speed of the disk and, of course, its price. Nowadays, hard drives are increasingly being replaced by SSD solutions. SSDs are many times faster, and their price is starting to approach classic hard drives. They also have a much lower access time and there is no flash memory wear during reading. NVMe has become the latest standard, which further increases the quality of flash memory drives and is gradually being promoted by more and more hard drive manufacturers.

Product Specifications

Capacity:  10TB
Format:  3.5"
Speed:  7200rpm
Interface:  SAS3
Cache:  256MB
Sectors:  512eSED