They are all the same 8 gb all within a few pennies of each other and free ship
the g-skill
http://www.amazon.co.uk/G-Skill-Ripjaws-DDR3-1333-Dual/dp/B002X578GE/ref=reg_hu-rd_add_1_dp
mushkin
http://www.amazon.co.uk/dp/B004W8ZZKG/?tag=pcp0f-21
corsair
http://www.amazon.co.uk/Corsair-CML8GX3M2A1600C9-Vengeance-1600MHz-Memory/dp/B00569K7LM/ref=reg_hu-rd_add_1_dp
the g-skill has the larger heat sink then mushkin and the corsair has none that is the only difference
thanks for any help
the g-skill
http://www.amazon.co.uk/G-Skill-Ripjaws-DDR3-1333-Dual/dp/B002X578GE/ref=reg_hu-rd_add_1_dp
mushkin
http://www.amazon.co.uk/dp/B004W8ZZKG/?tag=pcp0f-21
corsair
http://www.amazon.co.uk/Corsair-CML8GX3M2A1600C9-Vengeance-1600MHz-Memory/dp/B00569K7LM/ref=reg_hu-rd_add_1_dp
the g-skill has the larger heat sink then mushkin and the corsair has none that is the only difference
thanks for any help