 "Crucial 8GB Single DDR3L 1600 MT/s (PC3L-12800) SODIMM 204-Pin Laptop Memory (CT102464BF160B)"@en-US "Printer Parts & Accessories | Laptops Outlet Direct"@en-US
"In short, 204-pin small outline dual inline memory modules (SODIMMs) are the form factor used to provide DDR3 memory modules for notebook computers and other small form factor computing platforms. 204-pin SODIMMs are currently available in PC3-8500 (DDR3 1066MHz) and PC3-10600 (DDR3 1333MHz) speeds."@en-US 
 "Crucial 4GB (1x4GB) DDR3L / DDR3 PC3-12800 1600MHz SO-DIMM Module "@en 1x4GB | CT51264BF160B Novatech"@en
"DDR3 / DDR3L, 1600MHz, CL11, 1.35v / 1.50v, Lifetime Warranty"@en 
 Memory Type DDR3 (PC3-12800) Capacity 4GB (1 x 4GB) Tested Speed 1600MHz Tested Latency 11-11-11-28 Tested Voltage 1.35v or 1.50v (Dual Voltage) Registered / Unbuffered Unbuffered Error Checking Non-ECC Memory Features N/A