Capacity: 4GB Memory Type: DDR3L (Low Voltage Double Data Rate 3) Speed: 1600MHz (PC3L-12800) Form Factor: UDIMM (Unbuffered DIMM) Pin Count: 240-pin CAS Latency: CL11 Voltage: 1.35V (Low Voltage), compatible with 1.5V systems Data Transfer Rate: 12.8GB/s ECC: Non-ECC (Error-Correcting Code) Rank: Single or Dual Rank (depending on model) Compatibility: Desktop computers that support DDR3L UDIMM memory Module Configuration: 512M x 64-bit Operating Temperature: 0°C to 85°C RoHS Compliance: Yes