This is a 4GB DDR3-1066 Unbuffered SO-DIMM module from Transcend, typically used for upgrading laptops and small form factor PCs. It adheres to the PC3-8500 standard.
IT Procurement Officers
Mission-Critical Parts Replacement
"For Mission-Critical Parts Replacement, using verified parts like the TS512MSK64V1N prevents downtime and maintains the service integrity expected by IT Procurement Officers."