2023年1月31日，美国EPA发布了计算机服务器能源之星4.0版本的最终草稿版，并公布此版本将于2024年1月12日正式生效，
4.0版最终草稿相比3.0版更新如下：
更新一：
在产品类型中增加了Storage Heavy Server (SHS)和Hyperconverged Server这两个新的类别的定义(备注：SHS定义中的存储设备必须是内部存储设备。)，但是目前暂未将Hyperconverged Server列入需要能源之星认证的名单。
Storage Heavy Server (SHS): A computer server with greater storage capacity than a standard computer server. As shipped, these computer servers support 30 or more storage devices. These servers differ from Storage Products in that they run computer server operating systems and software stacks.
Hyperconverged Server: A highly integrated server which contains the additional features of large network equipment and storage products
更新二：
更新了电源模块的能效要求。
原3.0版本要求，所有输出功率采用相同的能效要求：
Table 1: Efficiency Requirements for PSUs
| Power Supply Type | Rated Output Power | 10%Load | 20%Load | 50%Load | 100%Load |
| Multi-output(Ac-Dc) | All Output Levels | N/A | 90% | 92% | 89% |
| Single-output(Ac-Dc) | All Output Levels | 83% | 90% | 94% | 91% |
4.0版本把电源输出以750W为界限划定了不同的能效要求：
Table 1: Efficiency Requirements for PSUs4
| Power Supply Type | Rated Output Power（W） | 10%Load | 20%Load | 50%Load | 100%Load |
| Multi-output(Ac-Dc) | 750 watts or greater | N/A | 90% | 92% | 89% |
| Single-output(Ac-Dc) | Less than 750 watts | N/A | 87% | 90% | 87% |
| Single-output(Ac-Dc) | 750 watts or greater | 90% | 94% | 96% | 91% |
| Power Supply Type | Rated Output Power(W) | 10%Load | 20%Load | 50%Load | 100%Load |
| Multi-output(Ac-Dc) | Less than 750 watts | 83% | 90% | 94% | 91% |
更新三：
更新了并提高了计算机服务器的活动状态效率阈值的要求。
原3.0版本对于所有计算机服务器的活动状态效率阈值要求：
Table 3: Active State Efficiency Thresholds for all Computer Servers
| Product Type | Minimum EffAcTIV |
| One Installed Processor | |
| Rack | 11.0 |
| Tower | 9.4 |
| Blade or Multi-Node | 9.0 |
| Resilient | 4.8 |
| Two lnstalled Processors | |
| Rack | 13.0 |
| Tower | 12.0 |
| Blade or Multi-Node | 14.0 |
| Resilient | 5.2 |
| Greater Than Two Installed Processors | |
| Rack | 16.0 |
| Blade or Multi-Node | 9.6 |
| Resilient | 4.2 |
4.0版本中对于非大容量服务器的活动状态效率阈值要求：
Table 3: Active State Efficiency Thresholds for all non-SHS Computer Servers
| Product Type | Minimum EffAcTIV |
| One Installed Processor | |
| Rack | 26.4 |
| Tower | 24.4 |
| Resilient | 6.6 |
| Two lnstalled Processors | |
| Rack | 30.4 |
| Tower | 26.5 |
| Blade or Multi-Node | 29.1 |
| Resilient | 6.0 |
| Greater Than Two Installed Processors | |
| Rack | 31.9 |
| Blade or Multi-Node | 26.8 |
我们秉承科学严谨的工作态度，以客户为中心，高效统筹安排测试计划，竭力缩短测试时间的周期，为客户提供快捷、公正的第三方咨询检测等服务。服务区域遍布广东广州、深圳、东莞、佛山、中山、珠海、清远、惠州、茂名、揭阳、梅州、江门、肇庆、汕头、潮州、河源、韶关及全国各地如您有相关产品需要咨询，欢迎您直接来18165787025咨询我司工作人员，获得详细的费用报价与周期方案等信息，深圳讯科期待您的光临！