Buffalo said today that its SHD-NSUM family of 2.5-inch solid-state drives has been updated to include new drives with 32 GB, 64 GB and 128 GB usable space. Grand total, now the family will include models with 30 GB, 32 GB, 60 GB, 64 GB, 120 GB and 128 GB capacities. They'll use MLC-based technology and feature both SATA 3.0 Gbps for internal use in computers or notebooks and a high-speed USB 2.0 interface for external usage. Expected to become available in Japan some time in mid-March, the 32 GB, 64 GB and 128 GB SHD-NSUM models will cost about $123, $216 and $391 respectively.