By the way, is there significant impact when using different type of HDD just calibre use?,
for example WD,
Quote:
Green HDD: low noise, suitable for home usage, HDD for file downloading, its advantages including lower heat, more quiet, more eco-friendly. Energy-friendly HDD, large capacity storage; adopting IntelliPower technology, the speed can automatically adjust between 5400-7200 rpm. Pros: quiet, low-cost; Cons: low performance, high-delay time, average life expectancy.
Blue HDD: suitable for home usage, high performance and low-cost advantages, 7200 rpm; the disadvantages include the running noise is a bit higher than Green HDD, performance is lower than Black HDD.
Black HDD: High performance, large cache, high-speed. Lias: LS WD Caviar Black. Mainly suitable for enterprise applications that requiring high-end computing such as video/photo editing/rendering and high performance game console, or servers.
Red HDD: Specifically designed for NAS environment that requiring 7days 24 hours continuous working. Western Digital Red HDD are mainly used in 1 to 5 HDDs small and medium scale NAS residential and small enterprise users. Red HDD’s performance is close to the Green HDD, power consumption is low, low noise, can be suitable for continuous working, featuring NASware technology, this technology offers better compatibility, can fit NAS or RAID seamlessly.
Purple HDD: Green HDD AV-GP’s replicate, support ignore cyclic redundancy check (CRC) errors, suitable for video surveillance storage, 24*7 continuous working design.
Ultrastar SATA Series: Data Center HDD, feature up to 10 times the workload rating of desktop drives
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especially when new calibre user started and maintain library, especially updating metadata. and use that HDD only for calibre, and do have 2TB books.