This is the cheapest 240GB performance SSD I have found currently. Fulfilled by Amazon so if anything was to go wrong you deal with Amazon and their rules, free same day delivery for Amazon Prime members or free standard delivery.
Detail specification :
2.SDRAM: Supports one module DDR3 up-to 4Gbits,standard 1Gbits
3.Sequential Data Read/Write Performance (Up to): 559.7/422 MB/s
4.Form factor: according to S280 240GB standard
5.Interface: SATA 1.5 / 3.0 / 6.0Gb/s
6.Fully compliant with SATA revision3.1, compatible with SATA 1.5/ 3.0/ 6.0Gb/s interface rates
7.Support ATA-8 Command Set
8.PIO, DMA, UDMA(up to 6, dependent on host) supported
9.Asynchronous Signal Recovery
10.Commercial operating temperature range form 0℃ to +70℃
11.Flash management algorithm: global static and dynamic wear-leveling, bad block management algorithm
12.Supports ATA and SATA Interface power management and SMART (Self-Monitoring, Analysis and Reporting Technology)
13.ECC (Error Correction Code): Supports BCH 66-bits/1KB ECC.
14.Read endurance: unlimited
15.Data retention: 10 years
17.Warranty : 3 YEARS .