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Reviews (3)
13 Mar, 2012
If you are looking for reliability, SLC is for you!
It is quite hard to get brand new Intel X25-E drives these days, and I have to say the are the best SLC drives ever at a good price/GB figure.
Yes, they are small - 32GB is not sufficient to be even meaningful to hold the OS of a decent system. However, the mystery behind these drives is, they are enterprise level SLC SSD drives.
I have 12 of these new drives (spent over 1 year to collect all of them!), and they are now running in RAID 0. They do not have TRIM but RAID does not support TRIM at the moment as well (at least on my Dell PERC H700). The most exciting thing about these drives is, it is extremely durable:
- 1PB host write per drive (so I have 12PB [12,000 TB] host write to push my SSDs to death)
- 50nm chip (larger the chip, more robust and durable)
- Aggressive GC (compensating missing TRIM)
250MB/s read and 170MB/s write are still somewhat decent performance, and having 12 of them in RAID-0 has actually saturated my poor Dell PERC H700. If you take a look at those SLC drives in the market which has the same amount of space (384 GB), and same speed (1700MB/s read, 1500MB/s write, 160,000 4K IOPS, my Dell PERC H700 bottleneck'ed!) as my array, they cost lot more that my configuration!
And most important - I do not need to worry about my usage pattern. I can just use the array like an mechanical drive! 12PB host write means the array may still be in excellent condition when I decommission it. Defraging the array is something I like to do (believe or not, it does speed up the performance, just trading your SSD lifespan off), once per month :)
Chinese Herb【北京同仁堂 附子理中丸9g*10丸/盒】Tongrentang Fuzi Lizhong Wan 华人中药 脾胃虚寒呕吐健脾药品
12 Feb, 2019
Good value and quality.
Good value and quality.
13 Mar, 2012
Intel 320 - my choice over Seagate Savvio 15k
I was planning to get a bunch of Seagate Savvio 15k for tier 1 storage - it is not enterprise environment so no need to be super fast, but should have high reliability (7/24) and adequate storage space each drive, then run in RAID 5. But after the flood in Thailand mechanical drives were having crazy prices that never drop, so I had to seek for alternatives.
Giving the Intel 320 160GB have a very close price tag as Savvio 15k 146GB, this drive is overall better than the Savvio in every aspect except for write durability and MTBF/usage pattern (Intel 320 is measured using 8 hours per day consumer pattern). This is perfectly what I want because there will not be too much writes, and the PERC H700 RAID controller has sufficient RAM (1GB) to cache write operations (so they will be purged in bulk to minimize write amplification).
Intel 320 consumes far less power, generate far less heat, no noise, durable (in terms of hardware, as long as the firmware is not bricked), and has advantage in 4K IOPS.
So that's it - if you are looking for an enterprise level HDD for tier 1 storage, consider this consumer level SSD, it may also suit your needs.