AddOn AA160D3N-4G x1 Dell SNPP4T2FC-4G Compatible 4GB DDR3-1600MHz Unbuffered Single Rank x8 1.35V 240-pin CL11 UDIMM 27139 Effective "black out" privacy from

Effective "black out" privacy from side views outside the 60-degree viewing angle

Radio Frequency wireless connectivity helps reduce the clutter of wires around your Notebook

Twice as Fast Displayport 1

professional installation

Data Networking - 1 x 1000Base-SX - Optical Fiber - 128 MB/s Gigabit Ethernet1 Gbit/s"

AddOn AA160D3N-4G x1 Dell SNPP4T2FC-4G Compatible 4GB DDR3-1600MHz Unbuffered Single Rank x8 1.35V 240-pin CL11 UDIMM 27139 Effective "black out" privacy fromThis Dell SNPP4T2FC 4G compatible 4GB DDR3 1600MHz Single Rank Unbuffered 1. 35V 240 pin CL11 UDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM