First off I have some 15 SSDs oldest dating back to the Intel G1 and G2. Oldest Sata III drives 2 Agillity IIIs, M4 and a Samsung 830 were purchased early->mid 2011.
I have YET to note a real performance decrease and have not had one failure.
“Would be great if there was some resource for comparing failure rates or even just complaint rates of various brands/products. “
Not the most reliable source, but better than nothing, is Newegg user reviews.
1) Only look at reviews if >30.
2) Most users that rate themselves as HIGH are NOT.
3) A good percentage of DOA, and “died in 3 Months” are User caused. It is estimated that approx 30 percent of electronic subsystems DOA and died in 3 Months (referred to as walking wounded) are due to ESD damage. NOTE this applies EQUALLY to all brands!
4) With SSDs that have been around for a while and have several hundred user reviews, compare overall vs last 3 or 6 months for trend. May show improvement, but may also show a decline.
5) Manuf sometimes make a small modification so that the part number changes to mask problems. Ie model X, part number shows high complaints, so manuf replaces a component (NO Change in reliability) and changes the part number, still model X, but different part number. Old part number and problem disappears and new one shows up with small number of reviews.
6) Poor performance – generally I ignore – almost all of these are user related
I’ll use the curcial M4, same M4, 128 gig SSD, just a different part Number
1) 40 Reviews, Only 3% 1 & 2 egg rating, oldest review Feb 2012:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820148529
2) 53 Reviews, Only 8% 1 & 2 egg rating, oldest review Jan 2012:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820148525
3) 277 Reviews, Only 11% 1 & 2 egg rating, oldest review Mid 2011:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820148448
4) 798 Reviews, Only 13% 1 & 2 egg rating, oldest review Apr 2011 BUT looking at past 6 Months this jumps up to 25%!!!:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820148442
Sandisk SDSSDX-120G-G25:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820171567
233 Reviews, Only 14% 1 & 2 egg rating, oldest review Feb 2012 BUT looking at past 6 Months this jumps up to 33%!!!:
As I’ve indicated my first choice is the Samsung 840 Pro. Followed by Plextor M5P and Crucial M4 then Samsung 840 non-Pro..
But if I’d limited my choice to M4 vs Sandisk, I’d probably would go with the M4.