When did personal computers (PCs) become quiet enough to be left on all night without bothering people sleeping nearby? - Quora
![Amazon.com: MEETOOT 2pcs PC Motherboard Mini Speaker Desktop Computer Case DIY Internal Code Mini Plug Beep Alarm Buzzer : Electronics Amazon.com: MEETOOT 2pcs PC Motherboard Mini Speaker Desktop Computer Case DIY Internal Code Mini Plug Beep Alarm Buzzer : Electronics](https://m.media-amazon.com/images/I/61uTVWMCgrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MEETOOT 2pcs PC Motherboard Mini Speaker Desktop Computer Case DIY Internal Code Mini Plug Beep Alarm Buzzer : Electronics
![RuiLing 10-Pack Mini Plug Speaker 4 Pin Desktop Computer Case PC Motherboard DIY Internal Code Beep Alarm Buzzer : Amazon.sg: Electronics RuiLing 10-Pack Mini Plug Speaker 4 Pin Desktop Computer Case PC Motherboard DIY Internal Code Beep Alarm Buzzer : Amazon.sg: Electronics](https://m.media-amazon.com/images/I/616CuwK0cNL._AC_UF1000,1000_QL80_.jpg)
RuiLing 10-Pack Mini Plug Speaker 4 Pin Desktop Computer Case PC Motherboard DIY Internal Code Beep Alarm Buzzer : Amazon.sg: Electronics
![Amazon.com: Maxmoral 2pcs Mini Plug Buzzer for PC Internal BIOS Computer Motherboard Mainboard Beep Alarm Speaker : Electronics Amazon.com: Maxmoral 2pcs Mini Plug Buzzer for PC Internal BIOS Computer Motherboard Mainboard Beep Alarm Speaker : Electronics](https://m.media-amazon.com/images/I/61WLI639D-L.jpg)
Amazon.com: Maxmoral 2pcs Mini Plug Buzzer for PC Internal BIOS Computer Motherboard Mainboard Beep Alarm Speaker : Electronics
![20x 4 Pin Pc Computer Mainboard Motherboard Case Buzzer Connector Internal Speaker Beep Code Buzzle Alarm Adapter Cable Hy400*10 - Pc Hardware Cables & Adapters - AliExpress 20x 4 Pin Pc Computer Mainboard Motherboard Case Buzzer Connector Internal Speaker Beep Code Buzzle Alarm Adapter Cable Hy400*10 - Pc Hardware Cables & Adapters - AliExpress](https://ae01.alicdn.com/kf/HTB1kR3yJVXXXXa7XFXXq6xXFXXXp/20x-4-Pin-PC-Computer-Mainboard-Motherboard-Case-Buzzer-Connector-Internal-Speaker-Beep-Code-Buzzle-Alarm.jpg)
20x 4 Pin Pc Computer Mainboard Motherboard Case Buzzer Connector Internal Speaker Beep Code Buzzle Alarm Adapter Cable Hy400*10 - Pc Hardware Cables & Adapters - AliExpress
![10PCs Mini Plug Speaker For PC Interanal BIOS Computer Motherboard Mini Case Buzzer Board Beep Alarm NEW 10PCs Mini Plug Speaker For PC Interanal BIOS Computer Motherboard Mini Case Buzzer Board Beep Alarm NEW](https://ae01.alicdn.com/kf/H9a7cd8f0338141e790642728a8e6ddd17/10PCs-Mini-Plug-Speaker-For-PC-Interanal-BIOS-Computer-Motherboard-Mini-Case-Buzzer-Board-Beep-Alarm.jpg)
10PCs Mini Plug Speaker For PC Interanal BIOS Computer Motherboard Mini Case Buzzer Board Beep Alarm NEW
![Motherboards: BIOS POST speaker for ASUS GIGABYTE MSI ECS ASROCK DFI INTEL EVGA J&W - Australia Computer Online Motherboards: BIOS POST speaker for ASUS GIGABYTE MSI ECS ASROCK DFI INTEL EVGA J&W - Australia Computer Online](http://www.computeronline.net.au/x/ebay/photobucket/Speaker/BIOSSpeaker.jpg)
Motherboards: BIOS POST speaker for ASUS GIGABYTE MSI ECS ASROCK DFI INTEL EVGA J&W - Australia Computer Online
![5X Motherboard Beep Code Audio Internal PC Case Speaker Buzzer for Laptop : Amazon.in: Computers & Accessories 5X Motherboard Beep Code Audio Internal PC Case Speaker Buzzer for Laptop : Amazon.in: Computers & Accessories](https://m.media-amazon.com/images/I/61yeRO9CfcL._AC_UF1000,1000_QL80_.jpg)
5X Motherboard Beep Code Audio Internal PC Case Speaker Buzzer for Laptop : Amazon.in: Computers & Accessories
![4pcs Mini Plug Buzzer For Pc Internal Bios Computer Motherboard Mainboard Beep Alarm Speaker | Fruugo FR 4pcs Mini Plug Buzzer For Pc Internal Bios Computer Motherboard Mainboard Beep Alarm Speaker | Fruugo FR](https://img.fruugo.com/product/4/65/417249654_max.jpg)