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Business computersENERGY STAR certified

Lenovo ThinkStation P5 Gen 2

1,024 GB workstation computer, model number 30KB.

Memory

1,024 GB

Processor

Xeon® 678X

Typical electricity use

82.8 kWh/yr

CPU cores

48

Of 60 certified workstation business computers, 45 have a lower typical electricity use than the ThinkStation P5 Gen 2 (82.8 kWh/yr).

Its certified typical electricity use of 82.8 kWh/yr costs about $11 a year at 13¢/kWh.

Maker
Lenovo
Model
ThinkStation P5 Gen 2
Model number
30KB
Type
Workstation
Processor
Xeon® 678X
CPU cores
48
Memory
1,024 GB
Storage
Solid State Drive, Hard Disk Drive
Operating system
Ubuntu, Window 11 Pro
Marketed as a workstation
Yes
Typical electricity use
82.8 kWh/yr
Power in sleep
13.5 W
Power at long idle
132 W
Power when off
10 W
On the market since
Feb 2026
ENERGY STAR certified
13 Feb 2026

Certified under the same record

The maker lists these as the same machine or a variant of it: 30KC, 30KD, 30KE, 30KF, 30KG, 30KH, 30KJ.

Source: ENERGY STAR certified business computers dataset, US EPA, record 4570059, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the ThinkStation P5 Gen 2

Certified business computers from other makers, same color class, within 20% of its speed.

ModelTypeProcessorMemoryTypical electricity use
HP Z6 G5 A Workstation ENERGY STARWorkstationRyzen Threadripper PRO 9995WX1,024 GB55.1 kWh/yr
HP Z6 G5 Workstation ENERGY STARWorkstationXeon(R) W7_3465x1,024 GB88.2 kWh/yr
HP Z8 G5 Workstation ENERGY STARWorkstationIntel(R) Xeon(R) Gold 64301,024 GB108 kWh/yr

Lenovo

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IdeaPad Slim 3 15Q7X11NotebookC11010016 GB7.8 kWh/yr
IdeaPad Slim 3 14Q7X11NotebookC11010016 GB8.2 kWh/yr
ThinkCentre M75s Gen 6DesktopRyzen 764 GB50.5 kWh/yr
ThinkCentre M75t Gen 6DesktopRyzen 764 GB53 kWh/yr
Yoga 9 2-in-1 16N1X11NotebookNVIDIA RTX Spark N1X (6144-core GPU, 20-core CPU)64 GB21.2 kWh/yr
ThinkCentre M75q Gen 6DesktopRyzen 764 GB36 kWh/yr
Yoga Pro 9 15N1X11NotebookNVIDIA RTX Spark N1x (6144-core GPU, 20-core CPU)128 GB23.4 kWh/yr

All Lenovo business computers