4 GB Sony PRO DUO (Mark 2) Memory Stick for PSP<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 4 GB storage capacity with 3.66 GB available </span></li><li><span class="a-list-item"> Minimum write speeds of 15 Mbps on Memory Stick(R) PRO Duo enabled devices optimized with 4-pin parallel interface </span></li><li><span class="a-list-item"> Increased operating temperature range of -13° F to 185° F for greater durability </span></li><li><span class="a-list-item"> Adapter not included </span></li><li><span class="a-list-item"> Compatible Systems: PSP 1000 system， PSP 2000 system， PSP 3000 system </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31JmPepgU4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41P-RvNajCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51UrmM9cM5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Bn0gV1DZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21MZtQZ7RWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bDBzIs3BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61neTSsNMhL.jpg" noproxy>