Hello Aqashova,
I usually use EOS - end of sale and EOL - end of life as terms for the product lifecycle. Also you may check it as the documents which I refer are using the term EOS for End of sales. In the above links to documents you may check for other devices which you may be using as well in your organization. As the EOL document states:
"Product support from HPE will generally be for 5 years from the End of Sale date but HPE may reduce or extend this timeframe to address business and market conditions. Please contact your HPE sales representative or HPE channel partner to discuss product specific support and service needs for your business."
Hope this helps!