I've confirmed that my ES chips (QL1K) *should* support Optane, but again things are never clear with ES chips.
QL1K is the Platinum 8160 ES2
Datasheet of platinum 8160 confirms optane is NOT supported
Advanced Technologies
Intel® Optane™ Memory Supported ‡
No
Intel® Speed Shift Technology
Yes
Intel® Turbo Boost Max Technology 3.0 ‡
No
Intel® Turbo Boost Technology ‡
2.0
Intel vPro® Platform Eligibility ‡
Yes
Intel® Hyper-Threading Technology ‡
Yes
Intel® Virtualization Technology (VT-x) ‡
Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Yes
Intel® VT-x with Extended Page Tables (EPT) ‡
Yes
Intel® Transactional Synchronization Extensions
Yes
Intel® 64 ‡
Yes
Instruction Set Extensions
Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
# of AVX-512 FMA Units
2
Enhanced Intel SpeedStep® Technology
Yes
Intel® Volume Management Device (VMD)
Yes