I am looking to get a Framework, but in my looking I have noticed a correlation. The lowest system idle power draw for the Framework 13 appears to be 3.5-4.5W, compared to 2.5-3.5W that some have posted for other comparable systems. I understand that the expansion cards take a bit more power, and I…

I don´t have a framework myself, but I’m interested in the SN7100. Just want to add a couple points here: These typical kill-a-watt meter plugs may be inaccurate in the lower end (e.g. below 5 W), since they are typically designed for more and consumer devices optimized for cost. I have a “Brenne…

I bought SN7100, and measured the current consumed. When ASPM, and APST are working, the current is near 0.002A. The peak is during large discards: 0.8A. Usual intense bulk write: 0.4A. Intermittent heavy work 0.27A. Light work: 0.18A The m.2 voltage is 3.33V

[image] camoz: Quote using Firefox translation: " In the desktop PC environment, ASPM is not usually used, but the function itself can be activated by changing the BIOS settings and Windows settings, so when I measured the idle power at ASPM, the power consumption at idle decreased to 0.03W. …

Cool, thanks for sharing your measurements! The reports about ASPM not working may be due to this review: WD Black SN7100 2 TB Review - The New Best SSD - Power Consumption & Efficiency | TechPowerUp Maybe there was something wrong with the test setup. Regarding the reports of WD SSDs becoming un…

That review is indeed the main source for the concern. I would assume that a passive current measuring device such as the one they use would provide the most accurate and reliable data, especially considering that most of the drives they tested show an obviously functioning ASPM, but there may be so…

@Pavel_Nikulin Thank you for the data! It is encouraging to see that it does function in at least some cases. I assume you tested in Linux? What method did you use? Would you be able to test in Windows as well? If not that’s fine, but that’s my main use case.

Could you share the apst latencies (smartctl shows those)?

Supported Power States St Op Max Active Idle F RT WL WT Ent_Lat Ex_Lat 0 + 4.60W 4.60W - 0 0 0 0 0 0 1 + 3.00W 3.00W - 0 0 0 0 0 0 2 + 2.50W 2.50W - 0 0 0 0 0 0 3 - 0.0200W - - 3 3 3 3 2000 3000 4 - 0.0050W - - 4 4 4 4 4000 12000 5 - 0.0030W - - 5 5 5 5 176000 25000

SN770/SN7100 SSD - Idle Power Draw

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Pavel_Nikulin June 10, 2025, 11:36am 8

Yes, I was testing under Linux only. I didn’t test in Windows. I used a raiser cable where I snapped power wires, and inserted Ampere meter in between.

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SN770/SN7100 SSD - Idle Power Draw

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