Hdd Cache 64 Vs 256. The first indicator to detect whether it is a smr drive is the cache size. But do look for letters efax in the serial number this would mean smr.
Old drives (wdx0efrx) had 64mb cache whereas new replaced drives (wdx0efax) feature 256mb. In terms of i/o operations or cycles, ddr4 is limited compared to gddr5 and gddr6. The first indicator to detect whether it is a smr drive is the cache size.
The first indicator to detect whether it is a smr drive is the cache size. In terms of i/o operations or cycles, ddr4 is limited compared to gddr5 and gddr6. Old drives (wdx0efrx) had 64mb cache whereas new replaced drives (wdx0efax) feature 256mb. But do look for letters efax in the serial number this would mean smr.
