2023年1月31日,美國EPA發(fā)布了計算機服務器能源之星4.0版本的最終草稿版,并公布此版本將于2024年1月12日正式生效,
4.0版最終草稿相比3.0版更新如下:
更新一:
在產(chǎn)品類型中增加了Storage Heavy Server (SHS)和Hyperconverged Server這兩個新的類別的定義(備注:SHS定義中的存儲設備必須是內部存儲設備。),但是目前暫未將Hyperconverged Server列入需要能源之星認證的名單。
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:
更新了電源模塊的能效要求。
原3.0版本要求,所有輸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版本把電源輸出以750W為界限劃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:
更新了并提高了計算機服務器的活動狀態(tài)效率閾值的要求。
原3.0版本對于所有計算機服務器的活動狀態(tài)效率閾值要求:
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版本中對于非大容量服務器的活動狀態(tài)效率閾值要求:
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 |
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