newegg offers the OCZ Nocti Series 120GB mSATA 3Gb/s SSD
(pictured), model no. NOC-MSATA-120G, for $109.99
with free shipping
($0.92/GB). That's the lowest total price we've seen for a 120GB mini SATA (mSATA) 3Gb/s SSD. (It's also a current price low by $17.) It features a max read rate of 280MB/s and a max write of 260MB/s. With diminutive sizes, mSATA drives are meant for more compact computers, such as laptops or even small form factor desktop PCs.
Also available is the Mushkin Enhanced 120GB mSATA 6Gb/s SSD, model no. MKNSSDAT120GB-DX, for $129.99 with free shipping ($1.08/GB). That's an all-time price low for a 120GB mSATA 6Gbps SSD. (It's currently $20 under the best we could find for this model elsewhere.) It features a max read rate of 555MB/s and a max write of 525MB/s.