Patriot Signature Line 4GB 1600MHz DDR3 Dual Rank SODIMM Notebook Memory Waterproof and one that supports PCIe

and one that supports PCIe 3

Slide-type support structure: Width support ranges from 170-270 mm

4K Aligned Random Read: up to 55K IOPs

offering exceptional wear resistance and a frictionless glide across surfaces

Patriot Signature Line 4GB 1600MHz DDR3 Dual Rank SODIMM Notebook Memory Waterproof and one that supports PCIeThe Signature Series 4GB DDR3 PC3 12800 1600 MHz SODIMM Memory Module from Patriot Memorydelivers superior quality, reliability, and performance to meet all your computer needs. This 4GB module is designed to run at PC3 12800 (1600 MHz) at CAS 11 latency timings. Product Highlights 1600MHz DDR3 SDRAM Double Sided CAS Latency: CL11 UDIMM NON ECC 204 pin Form Factor Voltage: 1. 5V Limited Lifetime Warranty