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I have now run out of space on my 2TB drive and so I will buy a 4GB Hybrid drive, partitioned to 2, and clone this to the 2x 2TB old drives instead.

I think this is possibly foolproof, and doesn't seem to slow down the machine too much. I also use the 2TB drive for storage, which is cloned to an identical 2TB drive along with the "EaseUs backup" each evening using the free version of "FreeFileSync". This can be restored to a new SSD using EaseUS if the C drive ever fails. It works in the background and takes 5 minutes or so.

I make an incremental backup of my SSD C: drive every two hours using "Easeus todo backup" to a cheaper 2TB Hybrid mechanical disk. However, do not rely on any drive system and make sure you have a reliable back up routine for the event of failure. Non mechanical drives such as SSD's should last the longest. Through failure or the technology becomes either obsolete, too small or too slow. I've been working with computers for over 30 years, and from my experience the longest a hard drive has lasted is about 5 years. SSD will be the fastest then SSHD then HDD. In write-intensive operations, an MLC lifespan is limited and the use of MLC disk is not recommended.įor consumer laptops, I assume good quality MLC (vendors today have come up wit hsome enhancement to minimize cell damage in MLC disks) is OK as we usually read a lot more than we write.ĭoesn't really matter with either, all will outlive you. In read-dominant environments, MLC are OK as read operations do not erase/write, and the performance provided is much more than required. This process is faster than having to manage multiple layers within the cell, so more performance. SLC on the other end uses the cell on a single level, thus limiting the erase/write cycles and increasing the cell, thus the disk, lifespan. Also, writing multiple bits to single cell requires increased granularity of the cell layers, which leads to reduced performance vs SLC. This reduces the lifespan of the cell itself since more bits are being written to it, therefore more program/erase cycles.

MLC NAND flash is a flash memory technology using multiple levels per cell to allow more bits to be stored using the same number of transistors. There are 2 types of SSD disks: MLC or SLC (muti level cell or Single level Cell)Įach time data needs to be written, the SSD needs to erase data within a cell then write the new data. With SSDs however, All flash devices can sustain a finite number of write and erase operations, also called program/erase cycles.

The mechanical design of HDDs gives them more possibility to remain functional for a long time as there is no solid limit for how many writes or reads you can throw at them.