|Hard Drive||240 GB|
ADATA Premier SP550 240GB 2.5 Inch SATA III Solid State Drive (ASP550SS3-240GM-C)
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- R/W up to 560/510 MB/s
- 4K random read up to 80K IOPS
- Advanced data protection with RAID engine
- TRIM command & NCQ support
- 3 Year warranty
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|Shipping||—||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||—||Amazon.com||Silicon Power USA Inc||RainForest Incentive's||ADATA||Amazon.com|
|Data Transfer Rate||6 MB per second||750 MB per second||6 Gb per second||6,000 MB per second||520 MB per second||500 MB per second|
|Device Type||Solid State Drives||Components Other||Internal Solid State Drive||Internal Solid State Drive||—||Internal Solid State Drive|
|Digital Storage Capacity||—||256 GB||240 GB||250 GB||—||240 GB|
|Flash Memory Installed Size||240||240||240||—||—||240|
|Hard-Drive Size||240 GB||240 GB||240 GB||250 GB||—||240 GB|
|Hard Disk Form Factor||2.5 in||—||2.5 in||2.5 in||2.5 in||2.5 in|
|Hardware Connectivity||SATA 6.0 Gb/s||SATA 6.0 Gb/s||SATA 6.0 Gb/s||SATA 6.0 Gb/s||SATA 6.0 Gb/s||SATA 6.0 Gb/s|
|Hardware Platform||PC||PC||PC; Mac;Linux||PC, Mac||PC||—|
|Item Dimensions||3.95 x 2.75 x 0.28 in||3.9 x 0.25 x 2.7 in||3.9 x 2.75 x 0.28 in||3.94 x 2.76 x 0.27 in||4 x 2.75 x 0.28 in||3.94 x 0.28 x 2.75 in|
|Item Weight||2.4 ounces||1.12 ounces||2.72 ounces||3.04 ounces||1.6 ounces||1.44 ounces|
|Memory Storage Capacity||240 GB||240 GB||240 GB||250 GB||240 GB||240 GB|
|Optical Storage Read Speed||560||—||—||540MB/s||—||—|
|Writing speed of the optical memory||510||—||—||520MB/s||—||—|
|Size||240 GB||240 GB||240GB||250 GB||240 GB||240G|
ADATA Premier SP550 solid state drive offers superior read/write performance and budget-friendly affordability. Compared to traditional hard drives, it delivers superior performance, consumes less power, and runs cooler in virtual silence. SP550 is the ideal mechanical hard drive alternative for everyday computing such as video streaming, web browsing, and social media. It features an intelligent caching algorithm that boosts performance to 560MB/s read and 510MB/s write (240GB/480GB models). Built-in hardware error checking, data prioritization, and low power state technologies further improve stability and extend service life. Time-consuming tasks like opening large files, running complex compiling, or simply booting your PC are all accelerated and streamlined compared to traditional hard drives. SP550 comes with a 3-year limited warranty for a worry-free ownership experience.
Top customer reviews
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Things go more interesting when I attempted to file an RMA. I created an account on Adata's website and filled out all of the information required to start the process. This involved entering my name, address, purchase data, serial #, product id, description of problem (text area), etc. They received this information and 48 hours later, I get an email with a word document stating that I must fill it out in order to finalize the process. Funny thing is that this word document has a small form which asks for my name, address, serial # and a one line sentence of the problem. Do you see the problem here? I just filled out a greater subset of information on their website when I started the RMA. Now they want me to fill out a word document with some of the information that I already fill out on the website. Not only that, the information on the website has much more detail. They even have a dropdown menu with an option that describes my problem 90%.
More problems. The drive I bought from amazon only had the product label and a small sticker on the side that reads "warranty void if broken" There wasn't a serial number on the drive whatsoever. The serial number was on the box. I let them know that there wasn't a number on the drive itself. They responded letting me know that the warranty is void because there isn't a sticker on the back with the serial number.
A couple points. Based on the FTC, they can't void the warranty. Also, either they forgot to put the sticker on the drive or amazon sold me a fake or used drive.
Adata's solution is for me to send them a picture of the back showing the lack of a sticker. I asked them what this is going to accomplish. Especially after going through the multi-step process of submitting the RMA. Leonard, the supervisor, told me that he would take it to management to see what they wanted to do. Other than wasting my time, I don't see what this is going to accomplish. Here is the picture for you viewing pleasure.
We use these to stress test our company's products (our company makes back office software) and we've been keeping them at 90%+ for weeks on end and they've been holding up well. We have had one failure, but I think it was because a drive was improperly seated in its IcyDock.
We were attracted to these because of their TBW (total bytes written) spec of 400, but now I see that ADATA makes a SU900 model that has a rating of 800, so next time we get some, we may spend the extra few $ and get those instead.
The 400 rating is about the best of any drive in its class as far as I can tell, and with the way we "test" the drives, we tend to wear them out well before the normal 228 years that they are supposed to last :-). BTW: Who really thinks that they will be wanting to use their same drive 228 years (2 million hours) from now?
I tested the ADATA SP550 SSD on an Intel iCore 7 Haswell system running Fedora 23 with 32G of memory. The Adata SP550 SSD has read speeds that are limited only by the SATA 3 interface (excellent results). It has good but not industry leading write speeds. The manufacturer specifies read speeds of 530 Mbytes/second and write speeds of 480 MBytes/second which I confirmed using two bench marking tools, Gnome Disks and Sys_basher.
I took three sets of measurements with Gnome Disks, a set with a 1 MByte sample size, a set with a 10 MByte sample size and a set with a 100 MByte sample size.
1 Mbyte sample:______407.5 MBytes/second
10 MByte sample:_____525.5 MBytes/second
100 MByte sample:____534.5 MBytes/second
1 Mbyte sample:______230.2 MBytes/second
10 MByte sample:_____359.4 MBytes/second
100 MByte sample:____433.5 MBytes/second
Average Access (latency)
1 MByte sample:______0.13ms
10 MByte sample:_____0.13ms
100 MByte sample:____0.15ms
Another interesting measurement is to measure transfer rates for different file sizes. At small file sizes (less than 256K) the overhead of the operating system has a large impact, as file sizes grow larger the SSD approaches it's maximum transfer rates. Because of the limitations of the SATA 3 bus no SSD has faster read transfers than the ADATA SSD.
' Read performance
' Write performance
I am using this SSD drive for SSD caching using DM-CACHE which is part of Linux logical volume manager. This is a perfect use for SSD because the write do not go to SSD when the files are created, they only go to SSD after a read occurs, which means it is used only for files that I am actually using to make access to them faster. I am seeing a noticable speed up in i/o operations starting with the second time I accessing the same file. The most significant performance number for this purpose is latency and the latency numbers on this drive are also excellent.
Overall, this is an excellent SSD drive and my tests confirm the benchmarks provided by manufacturer.
Ali Julia review
Update June 1, 2018. SSD drive began failing (2.5 years of intense every day use) and I replaced it with another one. SSD drives do not last for ever, however 2.5 years is less than I hoped for. I reduced the rating to 4 stars to reflect longevity.