People always said that Sintech & Sabrent is the best combo, while for most of cases in A1708, it's not. Well, in fact for most of cases Sintech is no longer relevant, since other makers already catch up with the wiring map, and do even better with the PCB cutting and connector plating.
for A1708 (or even A1502, A1398, A1465 and A1466) the key is ***always on the SSD Controller and Firmware***. The one with custom/in house controller like ***Samsung*** and ***Western Digital*** will have more ***tendency to have compatibility problem*** compared to the one using a more universally adopted controller (named ***Silicon Motion*** and/or ***Phison***), combined with the firmware, will decide whether those SSD can provide sleep and power management on your macOS or not. The one using less popular controller (like Realtek - mostly used by ADATA) might also causing issues.
I've been using this SSD bellow for around 3 years, and so far having no issues related to sleep, energy drain, restart, update (installed it back in Catalina days, and am on Monterey now) or elses. The specs said that it use Silicon Motion Controller along with Micron TLC NAND. That being said, it might or might not available in your countries, since the maker is one of my country local brand.
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It sleep when the lid is closed, and uses around ***0,0x Watt*** (0,09W in screenshot above - i previously tried ADATA, and SAMSUNG and none of their SSD manage to get bellow 0,5W ) of energy during idle, and the temp hovering around 30-60 degree celcius. Normally am using iStat menus app to monitor all stats of my hardware.