Micron Japan will release a new line of mSATA SSDs, the Crucial m4. Coming in four different capacities: 32GB, 64GB, 128GB and 256GB, these SSDs are equipped with a SATA 6.0 Gbps interface and promise to deliver read/write speeds of up to 440/50 MB/s (32GB Model), 500/95 MB/s (64GB Model), 500/260 MB/s (128GB & 256GB Models), respectively. The Crucial m4 mSATA SSDs will start shipping from late July for 5,100 Yen (about $65), 7,200 Yen (about $92), 11,800 Yen (about $151) and 23,800 Yen (about $305), respectively.