<s>[INST] If there is a 4TB hard drive that costs $125, a 1TB hard drive that costs $29.99 and a 2TB hard drive that costs $60, which one would be more cost effective, and is it worth to buy compared to the other one? Is it as reliable and what else should I consider? [/INST] The cost per TB of the three drives are $31.25, $29.99 and $30 respectively.

The difference in costs is not significant. Hence, you should consider other factors such as:

* Read and Write speeds
* Reliability in terms of MTTF
* Power consumption</s>\ <s>[INST] The hard drives are being sold on alibaba and wish. Which is a more reputable dealer? [/INST] Alibaba is the more reputable dealer. Wish is widely shunned for bad quality and downright false product descriptions</s>