Silicon Motion&#x27;s SM2246XT is a 2-channel DRAM-less variant of their SM2246EN 4-channel mainstream SSD controller. The -XT is used in both SanDisk&#x27;s SSD Plus internal SATA SSD and their Extreme 500 Portable SSD: <a href="http:&#x2F;&#x2F;anandtech.com&#x2F;show&#x2F;9847&#x2F;sandisk-extreme-500-portable-ssd-review" rel="nofollow">http:&#x2F;&#x2F;anandtech.com&#x2F;show&#x2F;9847&#x2F;sandisk-extreme-500-portable-...</a><p>Phison&#x27;s new S11 controller is also a DRAM-less design that will be used in low-end internal SATA SSDs.