Product Catalog Desktop HP Z640 Workstation vs Lenovo ThinkStation D20

HP Z640 Workstation vs Lenovo ThinkStation D20

HP Z640 Workstation

إتش بي زد 640 محطة عمل

Release Year: 2014

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Lenovo

Lenovo ThinkStation D20

لينوفو ثينك ستيشن D20

Release Year: 2010

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Specifications

General

HP Z640 Workstation

Lenovo ThinkStation D20

Form Factor

Tower

Processor

HP Z640 Workstation

Lenovo ThinkStation D20

Processor Different

Dual Intel Xeon E5-2620 v3 (6 cores each, 2.4 GHz)

Dual Intel Xeon X5650 (6 cores each, 2.67 GHz)

Memory

HP Z640 Workstation

Lenovo ThinkStation D20

RAM Different

64 GB

24 GB

RAM Type Different

DDR4 ECC RDIMM

DDR3 ECC RDIMM

Storage

HP Z640 Workstation

Lenovo ThinkStation D20

Storage Different

512 GB

1000 GB

Storage Type Different

NVMe SSD (Z Turbo Drive)

SATA HDD

Power

HP Z640 Workstation

Lenovo ThinkStation D20

Power Supply Different

925W 90% Efficient W

1060W W

Connectivity

HP Z640 Workstation

Lenovo ThinkStation D20

USB Ports Different

4x USB 2.0, 4x USB 3.0

6x USB 2.0

Software

HP Z640 Workstation

Lenovo ThinkStation D20

Operating System Different

Windows 7/10 Professional

Windows 7 Professional

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HP Z640 Workstation vs Lenovo ThinkStation D20