Hot off the press after the Optane 800P m.2 SSDs Intel does not sit still, several websites showing pre-order price is for a new module named "M10", these would be new Optane cache modules.

The M10 series SSDs will be available in the M.2 2280 form-factor and use the PCIe 3.0 interface. As a cache unit, these can be used to store frequently accessed data, while less frequently stored data is stored on slower storage mediums, like traditional an old SSD or HDDs.

The Xpoint memory of the Optane drives should ensure low latency and higher throughput than traditional SSDs. The drives are also more expensive than traditional SSDs. The M10 modules are listed for prices of $47.58 for the 16GB model, $82.03 for the 32GB model and $154.37 for the largest, 64GB  model.

The drives are currently only available for pre-order, it’s unknown when the drives become generally available. The new type of Optane cache module has  appeared on websites of several online retailers

Source: Myce

Intel Optane MEM M10 cache modules appear online