The Crucial 4GB DDR3 RAM module has 1600 MT/S speed that provides faster clocking rate to increase system performance. This UDIMM memory module has CL11 CAS latency and is compatible with Jetway MIH55T-MV2 motherboard..Comes with lifetime limited warranty.Memory error check: Non-ECC.4GB 240-pin UDIMM DDR3-1600/PC3-12800 SDRAM module for greater performance.CAS latency: CL11.Component configuration: 512Meg x 64.Dimensions: 1.2"W x 5.3"D.Memory voltage: 1.35 V.Memory type: Unbuffered.Compatible with Jetway MIH55T-MV2 motherboard