Questions tagged [power]
For questions concerning the power usage or requirements of a device. Do not use this tag for questions about supplying or controlling power.
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Powering 5 fans from 230V wall power
I need to power 4x40mm 2-pin (already owned) and 1x120mm fans (the 120 I still need to buy, so it can either be a 3 or 4-pin), from 230V wall power (EU socket).
I was thinking of using these ...
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Power requirements
Please let me know if I need the services of an electrician or a normal handyman to facilitate laying down the requirements for 2 x HP Z840's, some LCD monitors and a bunch of laptops.
The wattage I ...
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International Anker power plug parts
Does anybody know whether you can acquire international plug parts for Anker chargers like the '735 GaN Prime'? It looks like the front connector could be replaced (on some products like this one) but ...
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0
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Modded PC CPU upgrade - will the power supply manage?
I have a motherboard FOXCONN H61 with a Celeron CPU.
I'd like to upgrade the CPU to possibly a i7-2600 or a i7-3770 (looking for used/renewed ones).
Now here's the thing: I power the motherboard with ...
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Best battery hardware for supplying the Raspberry Pi 4
I have the following hardware in my system with Raspberry Pi 4:
Pi 4
7" HDMI display https://pt.aliexpress.com/item/1005003840302925.html
Custom circuit board for a miliohmmeter
All that gives ...
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1
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Smart plug to measure AC energy (power) consumption that does not require a hub
I want to measure AC power consumption over time on a single outlet. My multimeters will not do the job, as like nearly all multimeters, they display instantaneous values.
To accomplish this task, I ...
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1
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Multiple GPUs machine with more than one PSU
Does anyone have experience with using a machine for training Deep Learning models (R-CNNs for semantic segmentation), using multiple GPUs and powering it with more that one PSU? E.g. one PSU for ...
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USB hub that resolves mouse/keyboard stutter
Please use baby language that doesn't include any technical terms because I'm very lost :)
My wireless mouse and keyboard stutter when connected via a hub to my laptop (which has only 2 usb ports), ...
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1
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Which graphic card for supermicro X8DTi-LN4F motherboard?
I plan to build workstation based on supermicro X8DTi-LN4F. I'm aware it's very old but I'm buying it in very decent money. The only problem with this mobo is lack pci-express x16.
According to the ...
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Why using an adapted 15-pin SATA connector, my Hard Disk does not turn on?
I have bought this cable in order to use a separate USB adapter to power my desktop hard disk (3,5")
At one end is a normal USB male connector, and on the other end is an adapted 15-pin plug. ...
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HP Compaq Pro 6305, upgrade video card and RAM memory
I need to upgrade to a dedicated graphics card for an HP 1850 motherboard and also upgrade the RAM.
The power supply is 240W; it has no additional cards.
I looked for information but I have doubts if ...
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mini pc as dev server - specs?
I want a new no-noise dev server (LEMP); and I wonder what specs I should go for, how to narrow the search.
I currently use an old budget Laptop (Asus K53U) with an AMD C-50@800MHz, 1x2GB Samsung DDR3-...
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Laptop stopped charging and need advice about hardware failure for MSI GS65 Stealth THIN 053 15.6" Intel i7-8750H
I got my MSI gs65 stealth in 2018 and used it with no problems (other than some irrelevant things concerning my question) until the last 1 or two months of its life when it stopped working. I dual-...
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Why do proper USB-C splitters not exist? [RETRY]
I need a USB-C splitter to connect my power adapter and an external SSD drive to my laptop, which has a single USB-C port, used for power input.
To the moderators - This is the copy of a previous ...
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Hybrid USB Charging (Power Delivery) and PC Connection
I have an Oculus Quest 2 that I am using with my PC for running VR games from Steam. The headset needs to be plugged in while playing Steam VR games. My desktop does not have a USB-C native plug, but ...
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1
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Cheapest (jun 2020) discrete GPU with working powersaving on GNU / Linux multihead
With working I mean GNU/Linux temperatures should not exceed Windows' ones by 10 C° with low performance profile.
Preferably powersaving support over multi monitor configurations should be present ...
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208 volt watt meter for servers
Anyone ought to be familiar with a 120v power meter, or watt meter, such as the kill-a-watt brand of watt meter like this
They are easily found online... amazon... less than $20.
Is there one that ...
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Getting zapped by computer (not exactly but yes) [closed]
I am getting current on the screws and metal portions of my computer for some reason and it only happens when i am standing on the ground and using the tester or getting zapped by it on the softer ...
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Adding Video Card to PC: Power and Wattage Considerations
I currently have a system with an Intel CPU and an integrated GPU (see below). I am pondering adding a more powerful GPU, say, along the lines of these:
https://www.newegg.com/gigabyte-geforce-gtx-...
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2
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Extra-long Power Adapter Extension Cable Wanted
The 1.8-meter Power Adapter Extension Cable is an AC extension cord that provides extra length for your Apple power adapter. Use it with MagSafe and MagSafe 2 power adapters.
From Apple's page on it.
...
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1
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MiniDIsplay Port to USB-C with Power?
I have a Thinkpad X1 Yoga, first generation. It has a DisplayPort but no USB-C ports.
I want to buy an external monitor, like the ThinkVision M14 that passes both video and power trough it's USB-C ...
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1
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Trying to find a USB-C to ~4x USB-A hub that is fully powered from upstream power delivery
Finding a USB hub that does what I need is more challenging than I expected!
The fundamental issue here is that the laptop (Dell Latitude 7400 2-in-1) gets very hot when it's charging. So hot that ...
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Are there USB Splitters in existence that I allow me to choose where the power goes based on program?
Okay so, I have a device that has one usb port. This port only has enough power for one of my usb devices at a time. I would like to get a splitter to support two usb devices. However is it possible ...
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GPS tracker with long battery life and minimal display
I'm looking for a GPS receiver that has an extremely long battery life. Off-the-shelf GPS devices like the Garmin GPSMAP 64s are great, but they only go so far: they promise 16h of battery life. ...
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2
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What is the most affordable PSU for my requirements?
I have been reading a lot of things in the internet today about power supplies and I still cannot come to a conclusion on what exact PSU should I buy. The image below shows what I think is my power ...
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How to supply jetson tx2 with dji matrice 100 battery?
I want to put my jetson tx2 dev kit on the drone but i don't know how to supply the jetson using drone's battery.
I think i need a dc/dc regulator (converter) cause the jetson require at most 19.6V, ...
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What is this connector [closed]
All I can say about the cable is that it delivers power to fans, but I'm not sure what to search in order buy more since one of them broke.
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Is there a USB 3.0 male (power +data) toY-Split USB male (data only) and usb male (power only) cable?
What I'm Doing
I have a laptop and I am looking to get a portable screen for my laptop.
My Problem
Some of them have separate video and power connectors, but others give power and video over a ...
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Is there, or could anyone make a tiny 1 to 2 USB-C "splitter" hub that only contains a female USB-C-PD port and a female USB-C data port?
It still amazes me that it's almost the end of 2018 and still no one seems to have been able to, to my knowledge, find or create such a device. I did however gather some more information, so here I go....
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Full HD TV that will turn on automatically after a power outage
Please recommend a TV that meets the following criteria:
Full HD resolution
Has a USB port
Has an HDMI port
Reliably turns on by itself after a power outage (either at all times or only if the outage ...
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Appropriate power meter for CPU and GPU power consumption?
I want to buy a power meter in order to measure CPU and GPU power consumption, on a remoter desktop machine (in which I have physical access). The software is ubuntu 18.04, I can measure the nvidia ...
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2
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LGA1151 CPU lowest power consumption?
i'm setting up a computer with an LGA1151 cpu socket, and i'm looking for the cpu that would use the least amount of electricity for this motherboard. the cpu will not be stressed in the slightest, ...
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USB-C Hub/Splitter for Phone
What I'm looking for is something that will allow my to charge and access the USB-C port at the same time. Something that only does that would be ideal but a full USB hub that will also charge my ...
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X370 motherboard: Power Supply Usage
I have been trying to figure out what kind of watt range PSU should I aim for my X370 pro gaming motherboard.
I ran into a weird range of watt usage on different calculators.
My setup is this:
AMD ...
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A multigang extension with rotated sockets (UK)
I have USB plugs with the output on the same side as the Live prong:
Source
This means more than one plugged in next to each other in a multigang will often "bump" USB cables.
Can I buy a multigang ...
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Is underclocked Xeon e3-1230v3 the same as e3-1230Lv3?
I am looking for a low wattage CPU with relative high performance. I read on several places, that underclocking or undervolting cheaper normal processors (e.g. Xeon e3-1230v3) can have the same result ...
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i3 3100T power consumption
Has anyone information on the real-life power consumption of an Intel i3 7100T? I know that the thermal design power is rated 35W, but how much power does it need in idle or low workload situations?
...
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Uninterruptible Power Supply for Intel Nuc?
My town suffers from quite a few power outages as of late and I am running a home server via my Intel NUC. I'm looking for recommendations on the type of UPS I could buy for such a device. Typically I'...
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Universal power adapter for Europe grounded
I am looking to buy a 220v 10a Universal power adapter for Europe (Schuko type) i.e. something like this:
The problem is that the majority of those, do not have the ground pin connected even if they ...
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An unbreakable iPhone charging cable
I tend to carelessly yank my iPhone and iPad off of their charging cables, which leads to either the metal connector tip coming off or causes the cable to fray. As a result, I go through iPhone ...
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Recommended Computer for Statistician or M.S./PhD Statistics Student
I'm looking for a high performance and durable computer to work with. It's primary use is for Statistical Modeling and Analysis.
Likely, I will need to use R, some SQL based programs (SQuirreL, for ...
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Better and cheaper Raspberry Pi alternative for BOINC
As the title states, I am planning to make a cluster to donate its processing power to boinc. I am looking for a equally powerful or even more powerful board that costs less than the raspberry pi 2/3. ...
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Power supply advice - 550W range
I am willing to build my very first computer.
This is the build I was thinking about:
Intel Core i7 6700K
Gigabyte GA-Z170X-Gaming 5-EU
Corsair Hydro H60 CW-9060007-WW
EVGA GeForce GTX 1060 3GB SC ...
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Are there switches with a direct connection between two ports when the power is off?
Are there switches which have a direct connection between two ports (e.g. port 1 and 2) when the power is not plugged in? I would like those two ports linked as if there was a direct connection with a ...
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Charger for my Mac [closed]
As discussed in this question, a US to Europe Plug Converter Travel Charger Adapter for Apple iBook/MacBook could be used. However, this particular entry in Amazon would cost ~14$ and I am located in ...
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Charging many Qi devices
I have about 30 small (70mm x 50mm) "tags" that are used for tracking objects in a real-time location system (RTLS). The tags can be recharged using Qi wireless charging. Is there a charging pad ...
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Externally Powered USB Active Repeater
I have a Surface tablet. And I need to get it's USB signal about 10' away.
Here's what I've tried:
An active hub 5' away, and that doesn't work. Apparently the tablet doesn't put enough power on the ...
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2
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Lowest-power laptop
Looking for the lowest-power laptop possible, for use off grid powered by a very small solar array. My Yoga 2 11 draws 14 watts at idle (or what I would call idle, anyway). Five watts would be better. ...
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Portable rechargeable battery (power supply) for tablets and phones that will also jumpstart large vehicle engines
I am seeking recommendations for a portable rechargeable battery pack.
Requirements
Reliable
Can safely power tablets and phones (only need 2.1A at once)
Can reliably jumpstart a large vehicle ...
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0
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Which SSD producer/line has lowest power usage? [closed]
What (current) 2.5" SSD drives proved to consume the least power in real-life measuring?
For "real life" I mean measuring the power they actually draw from the PSU, or the power the PSU draws from ...
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