Main Specifications
Product Description: Lenovo ThinkCentre M820z - all-in-one - Core i5 8400 2.8 GHz - 4 GB - HDD 500 GB - LED 21.5"
Type: Personal computer - all-in-one
Processor: Intel Core i5 (8th Gen) 8400 / 2.8 GHz (4 GHz) (6-core)
Cache Memory: 9 MB
Cache Per Processor: 9 MB
RAM: 4 GB (installed) / 32 GB (max) - DDR4 SDRAM
Storage Controller: SATA
Hard Drive: HDD 500 GB - SATA 6Gb/s - 7200 rpm
Optical Storage: DVD-Writer
Monitor: 21.5" - LED - 1920 x 1080 (Full HD) - 16:9
Graphics Controller: Intel UHD Graphics 630
Camera: Yes
Audio Output: Stereo
Networking: GigE
Power: AC 120/230 V (50/60 Hz)
OS Provided: Windows 10 Pro 64-bit Edition
Color: Business black
Dimensions (WxDxH): 19.3 in x 9.9 in x 14.8 in
Weight: 15.83 lbs
Environmental Standards: TCO Certified All-in-One PCs 3, ENERGY STAR Qualified EPEAT Silver
General
Type: Personal computer
Product Form Factor: All-in-one - with Full Function Monitor stand
Built-in Devices: Stereo speakers
Embedded Security: Trusted Platform Module (TPM 2.0) Security Chip
Color: Business black
Processor / Chipset
CPU: Intel Core i5 (8th Gen) 8400 / 2.8 GHz
Max Turbo Speed: 4 GHz
Number of Cores: 6-core
CPU Qty: 1
Max CPU Qty: 1
Chipset Type: Intel B360
Cache Memory
Installed Size: 9 MB
Cache Per Processor: 9 MB
RAM
Installed Size: 4 GB / 32 GB (max)
Technology: DDR4 SDRAM
Effective Memory Speed: 2666 MHz
Rated Memory Speed: 2666 MHz
Form Factor: SO-DIMM 260-pin
Slots: 2 (total) / 1 (empty)
Features: Dual channel memory architecture
Configuration Features: 1 x 4 GB
Hard Drive
Type: HDD
Capacity: 1 x 500 GB
Interface Type: SATA 6Gb/s
Spindle Speed: 7200 rpm
Storage Controller
Type: 1 x SATA
Optical Storage
Type: DVD-Writer DVD-Writer - SATA
Monitor
Monitor Type: LED
Diagonal Size: 21.5"
Native Resolution: 1920 x 1080 (Full HD)
Widescreen Display: Yes
Image Aspect Ratio: 16:9
Image Brightness: 250 cd/m²
Image Contrast Ratio: 1000:1
Bezel Type: Flat front
Monitor Features: Anti-glare, Low Blue Light Mode, Wide Viewing Angle, borderless
Graphics Controller
Graphics Processor: Intel UHD Graphics 630
Video Interfaces: DisplayPort
Audio Output
Sound Output Mode: Stereo
Compliant Standards: High Definition Audio, Dolby Audio Premium
Speakers Included: 2 x right / left channel
Camera
Camera: Yes
Resolution: 1080p
Features: 180° rotating function, built-in 2 microphones, LED indicator
Input Device
Type: Mouse, keyboard
Keyboard
Interface: USB
Mouse
Mouse Name: Lenovo Calliope Mouse
Interface: USB
Networking
Ethernet Controller: Realtek RTL8111G
Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
Features: Wake on LAN (WoL)
Expansion / Connectivity
Slots: 2 (total) / 2 (free) x M.2 Card
Interfaces: 4 x USB 3.1 Gen 1 (one of them supports SmartPower On)
1 x LAN (Gigabit Ethernet)
1 x DisplayPort
1 x headphones/microphone
1 x USB 3.1 Gen 2 (one of them is Always On and fast-charging)
1 x USB-C 3.1 Gen 1
Miscellaneous
Theft/Intrusion Protection: Security lock slot (cable lock sold separately), chassis intrusion switch
Security Slot Type: Kensington security slot
VESA Mounting Interface: 100 x 100 mm
Compliant Standards: RoHS, GREENGUARD, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3
Power
Device Type: Power supply
Nominal Voltage: AC 120/230 V (50/60 Hz)
Power Provided: 150 Watt
Efficiency: 90%
Operating System / Software
OS Provided: Windows 10 Pro 64-bit Edition
Environmental Standards
TCO Certified: TCO Certified All-in-One PCs 3
EPEAT Compliant: EPEAT Silver
ENERGY STAR Certified: Yes
ENERGY STAR Version: 7.0
Dimensions & Weight
Width: 19.3 in
Depth: 9.9 in
Height: 14.8 in
Weight: 15.83 lbs