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HP Z820 Workstation vs Lenovo ThinkStation D20

HP Z820 Workstation
HP

HP Z820 Workstation

إتش بي زد 820 محطة عمل

Release Year: 2012

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Lenovo ThinkStation D20
Lenovo

Lenovo ThinkStation D20

لينوفو ثينك ستيشن D20

Release Year: 2010

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Specifications

General

HP Z820 Workstation

Lenovo ThinkStation D20

Form Factor
Tower
Tower
Processor

HP Z820 Workstation

Lenovo ThinkStation D20

Processor Different
Dual Intel Xeon E5-2690 (8 cores each, 2.9 GHz)
Dual Intel Xeon X5650 (6 cores each, 2.67 GHz)
Memory

HP Z820 Workstation

Lenovo ThinkStation D20

RAM Different
64 GB
24 GB
RAM Type
DDR3 ECC RDIMM
DDR3 ECC RDIMM
Storage

HP Z820 Workstation

Lenovo ThinkStation D20

Storage Different
2000 GB
1000 GB
Storage Type
SATA HDD
SATA HDD
Power

HP Z820 Workstation

Lenovo ThinkStation D20

Power Supply Different
1125W 90% Efficient W
1060W W
Connectivity

HP Z820 Workstation

Lenovo ThinkStation D20

USB Ports Different
4x USB 2.0, 4x USB 3.0
6x USB 2.0
Software

HP Z820 Workstation

Lenovo ThinkStation D20

Operating System
Windows 7 Professional
Windows 7 Professional

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