Patriot Torqx 2 PT264GS25SSDR 64GB Solid State Drive for $39.99 shipped after submitting this $20 rebate.  Here is a screenshot for your reference.  It features up to 270MB/s read speed and 230MB/s write speed, TRIM and RAID support, 128MB DRAM cache, and uses SATA II interface.  Most places have it for about $49.