Lenovo ThinkCentre M820z 21.5" 8GB 256GB Intel Core i5-9400 X6 2.9GHz, Black (Certified Refurbished)

  • $631.90
    Unit price per 
  • Save $361.09

Condition: Certified Refurbished -

Warranty Term:
Warranty Provider: Distributor

Lenovo ThinkCentre M820z 21.5" 8GB 256GB Intel Core i5-9400 X6 2.9GHz, Black (Certified Refurbished)

The ThinkCentre M820z All-in-One Desktop Computer from Lenovo provides a system that can handle robust workloads thanks to its Intel Core i5-9400 processor and 8GB of DDR4 memory. For storage options, the ThinkCentre M820z AIO comes equipped with a 256GB Opal PCIe NVMe M.2 solid-state drive, DVD burner, and 3-in-1 card reader. In terms of graphics, Lenovo has armed this ThinkCentre M820z with a 21.5" MVA anti-glare display that has wide-viewing angles. The screen also features a crisp native resolution of 1920 x 1080, which is powered by an Intel UHD Graphics 630 chipset. When you want to extend your screen for work or entertainment, you can connect the ThinkCentre M820z to an optional monitor via its single DisplayPort. Another notable feature of the Lenovo ThinkCentre M820z AIO is that it houses a number of ports for your wired peripherals, which includes four USB 3.1 Gen 1 Type-A inputs on the system's rear along with a single USB 3.1 Gen 1 Type-C input at its side. For faster data transfer and always-on fast charging support, the ThinkCentre M820z AIO also has a USB 3.1 Gen 2 Type-A port, as well as a combo audio jack, and two M.2 card slots for WLAN and/or an optional Intel Optane-supported SSD. Included with the ThinkCentre M820z AIO computer are a wired keyboard and mouse, so you can start working right away. If you prefer to connect to your peripherals wirelessly, this AIO system is designed to support Bluetooth 4.2. The operating system that's preinstalled on the ThinkCentre M820z is Windows 10 Pro, which lets you fully utilize features like Cortana and Windows Continuum. Accessing networks and the internet can be accomplished wirelessly or wired with 802.11ac Wi-Fi and Gigabit Ethernet onboard. Once connected online, you can conduct face-to-face conversation by utilizing the AIO's built-in 1080p webcam, microphone, and pair of 2W speakers. Furthermore, with MIL-STD-810G certification, the ThinkCentre M820z is designed to function in less-than-desirable environments. Lenovo has outfitted this ThinkCentre M820z AIO computer with a versatile UltraFlex III stand that offers tilt adjustments of -5° (forward) and 45° (back), and swivel rotations between -45 and 45°.


  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box.
  • 21.5-inch (1920 x 1080) LCD Display
  • Intel Core i5-9400 Processor (Hexa-Core, 2.9GHz, 9MB Cache)
  • 8GB DDR4 Memory
  • 256GB PCIe Solid State Drive (SSD)
  • Integrated Intel UHD Graphics 630
  • SuperMulti-DVD Burner
  • 5 x USB 3.0, 1 x USB-C, 1 x DisplayPort, 1 x Microphone-in
  • Wired Keyboard and Wired Mouse
  • 2.1MP Webcam
  • 10/100/1000 Gigabit Ethernet, IEEE 802.11ac and Bluetooth 4.2
  • Operating System: Microsoft Windows 10 Professional
  • 19.3" x 9.9" x 14.8" (HxWxD); 16.9lbs
  • Energy Star Compliant, Gold EPEAT

Whats in the Box?


    General Information

    • Total USB-C Ports: 1
    • Energy Star Compliant: YES
    • Model Number: M820z
    • Total DVI Outputs: 0
    • Color (Exact): Black
    • Release Year: 2019
    • Form Factor: All-in-One
    • Lifestyle: Business
    • Product Line (Desktop): ThinkCentre
    • Total DisplayPort Outputs: 1
    • EPEAT Level: Gold
    • Total VGA Outputs: 0

    Physical Features

    • Item Dimensions (H x W x D Inches): 19.3 x 9.9 x 14.8
    • Item Weight (LBS): 16.87
    • Color (Generic): Black


    • Maximum Resolution (Width x Height): 1920 x 1080
    • Display Type: LCD
    • Touch Screen: NO
    • Screen Size (IN): 21.5


    • Memory Type: DDR4
    • Total RAM (GB): 8
    • Maximum Memory Supported (GB): 32


    • Optical Drive Type: SuperMulti-DVD Burner
    • Total USB 2.0 Ports: 0
    • Mouse Included: YES
    • DVD Speed (R/W/RW): 16/16/16
    • Total Headphone Outputs: 1
    • Built-in Speakers: YES
    • Keyboard Included: YES
    • Total HDMI Outputs: 0
    • Blu-ray Speed (R/W/RW): 0/0/0
    • Mouse Connection Type: Wired
    • Total Microphone Outputs: 1
    • Total USB 3.0 Ports: 5
    • Keyboard Connection Type: Wired
    • Webcam Megapixels (0 if none): 2.1


    • Hard Drive Speed (RPM): 0
    • Hard Drive Type: Solid State Drive (SSD)
    • Hard Drive Interface: PCIe
    • Hard Drive Size (GB)(0 if none): 256


    • Bluetooth Compatability: 4.2
    • LAN Compatibility: 10/100/1000 Gigabit
    • Wireless Network Compatibility: 802.11AC

    Operating System

    • Operating System Version: Professional
    • Desktop Operating System: Microsoft Windows 10


    • Video Memory Available (MB): 0
    • Graphics Type: Integrated
    • Graphics Card Model Number: Intel UHD Graphics 630


    • # of Processor Cores: 6
    • Processor Speed (GHz): 2.9
    • Processor Series: Intel Core i5 9th Gen
    • Processor Model Number: Intel Core i5-9400
    • Processor L3 Cache (MB): 9


    • Total PCI Express X16 Slots: 0
    • Built-in Media Card Reader: Not Applicable