Looks like a price war is going on this weekend. A check on amazon shows that the 4 most popular 240-250GB SSD is more affordable than before.  The 4 models in comparison are Crucial M500, Samsung 840 EVO, SanDisk Ultra II and Kingston SSDNow.

From the price, we can see that SanDisk has the best price and best performance. The 2nd best  buy is Kingston SSDNow V300 at $86.99. Click the links to find out more.

This item: Crucial M500 240GB SATA 2.5-Inch 7mm (with 9.5mm adapter) Internal Solid State Drive CT240M500SSD1
Samsung 840 EVO 250GB 2.5-Inch SATA III Internal SSD (MZ-7TE250BW) B00E3W1726
SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25 B00M8ABEIM
Kingston Digital 240GB SSDNow V300 SATA 3 2.5 (7mm height) with Adapter Solid State Drive SV300S37A/240G B00A1ZTZNM
Price $ 94.29 $ 109.00 $ 84.99 $ 86.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Hard Disk Size 240 GB 250 GB 240 GB 240 GB
Data Transfer Rate 6 6 6 6
Hardware Interface sata 3 0 gb sata 3 0 gb sata 3 0 gb sata 3 0 gb
Optical Storage Read Speed 500 540 550 450
Optical Storage Write Speed 250 520 500 450

By Harry