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External SSD draining battery of sleeping MBP - WHY????

slentthndr
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I'm using a Samsung T1 SSD, and I have it plugged into my MBP always even when I'm not using the computer. My battery drains very quickly when the MBP is asleep. I'll close the MBP when it has 35% battery, then open it back up the next morning and it's dead. I've noticed that the SSD lights up periodically even when the machine is asleep. I'm wondering if that is causing battery drain. In Energy Saver I have 'put HD to sleep when possible' checked and both 'wake for WiFI' and 'enable power nap' unchecked. Not sure why the MBP is accessing the SSD during sleep. Any ideas?

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Are you certain that the laptop is actually going to sleep?

Main System: Phobos

AMD Ryzen 7 2700 (8C/16T), ASRock B450 Steel Legend, 16GB G.SKILL Aegis DDR4 3000MHz, AMD Radeon RX 570 4GB (XFX), 960GB Crucial M500, 2TB Seagate BarraCuda, Windows 10 Pro for Workstations/macOS Catalina

 

Secondary System: York

Intel Core i7-2600 (4C/8T), ASUS P8Z68-V/GEN3, 16GB GEIL Enhance Corsa DDR3 1600MHz, Zotac GeForce GTX 550 Ti 1GB, 240GB ADATA Ultimate SU650, Windows 10 Pro for Workstations

 

Older File Server: Yet to be named

Intel Pentium 4 HT (1C/2T), Intel D865GBF, 3GB DDR 400MHz, ATI Radeon HD 4650 1GB (HIS), 80GB WD Caviar, 320GB Hitachi Deskstar, Windows XP Pro SP3, Windows Server 2003 R2

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It keeps power on for usb devices that are active. it is acting like a big powerbank

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