Do you have a question about the Lenovo ThinkCentre M820z and is the answer not in the manual?
Essential precautions and preparation steps before performing hardware replacements.
Detailed instructions for replacing the computer's internal power supply unit.
Steps involved in removing and installing the heat sink for cooling.
Comprehensive guide for safely removing and installing the microprocessor.
Detailed procedure for replacing the main system board.
Instructions for removing and installing the computer's LCD panel.
Essential precautions and preparation steps before performing hardware replacements.
Detailed instructions for replacing the computer's internal power supply unit.
Steps involved in removing and installing the heat sink for cooling.
Comprehensive guide for safely removing and installing the microprocessor.
Detailed procedure for replacing the main system board.
Instructions for removing and installing the computer's LCD panel.
| Panel type | WVA |
|---|---|
| Screen shape | Flat |
| LED backlight | Yes |
| Display surface | Matt |
| Display diagonal | 21.5 \ |
| Display brightness | 250 cd/m² |
| Native aspect ratio | 16:9 |
| Bus type | DMI3 |
| Tjunction | 100 °C |
| Processor cache | 9 MB |
| Processor cores | 6 |
| Processor model | i5-8400 |
| System bus rate | 8 GT/s |
| Processor family | Intel® Core™ i5 |
| Processor socket | LGA 1151 (Socket H4) |
| Processor codename | Coffee Lake |
| Processor frequency | 2.8 GHz |
| Processor cache type | Smart Cache |
| Processor lithography | 14 nm |
| Processor manufacturer | Intel |
| PCI Express slots version | 3.0 |
| Processor boost frequency | 4 GHz |
| Processor operating modes | 64-bit |
| PCI Express configurations | 1x16, 1x8+2x4, 2x8 |
| Thermal Design Power (TDP) | 65 W |
| Maximum number of PCI Express lanes | 16 |
| Memory types supported by processor | DDR4-SDRAM |
| Memory clock speeds supported by processor | 2666 MHz |
| Memory bandwidth supported by processor (max) | 41.6 GB/s |
| Maximum internal memory supported by processor | 64 GB |
| Memory slots | 2 |
| Internal memory | 8 GB |
| Memory slots type | SO-DIMM |
| Memory form factor | DIMM/SO-DIMM |
| Maximum internal memory | 32 GB |
| Memory layout (slots x size) | 1 x 8 GB |
| SSD capacity | The Solid State Drive's storage capacity in Gigabytes. |
| SSD interface | NVMe, PCI Express |
| Storage media | SSD |
| SSD form factor | M.2 |
| Optical drive type | DVD±RW |
| Total storage capacity | 256 GB |
| Compatible memory cards | - |
| Number of storage drives installed | 1 |
| Number of execution units | 23 |
| On-board graphics card ID | 0x3E92 |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel® UHD Graphics 630 |
| On-board graphics card family | Intel® UHD Graphics |
| On-board graphics card OpenGL version | 4.5 |
| On-board graphics card base frequency | 350 MHz |
| On-board graphics card DirectX version | 12.0 |
| On-board graphics card dynamic frequency (max) | 1050 MHz |
| Number of displays supported (on-board graphics) | 3 |
| AC adapter power | 150 W |
| AC adapter frequency | 50/60 Hz |
| AC adapter input voltage | 100 - 240 V |
| Audio chip | Realtek ALC233 |
| Audio system | Dolby Audio Premium |
| RMS rated power | 4 W |
| Camera signal format | 1080p |
| Optical drive interface | SATA |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Bluetooth version | 4.1 |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| USB 2.0 ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Product color | Black |
| Sustainability certificates | RoHS, EPEAT Gold, ENERGY STAR |
| Product type | All-in-One PC |
| Motherboard chipset | Intel® B360 |
| Scalability | 1S |
| Processor ARK ID | 126687 |
| Processor package size | 37.5 x 37.5 mm |
| Supported instruction sets | AVX 2.0, SSE4.1, SSE4.2 |
| Thermal solution specification | PCG 2015C |
| Intel Identity Protection Technology version | 1.00 |
| Intel Stable Image Platform Program (SIPP) version | 0.00 |
| Depth (with stand) | 252 mm |
|---|---|
| Height (with stand) | 416 mm |
| Weight (with stand) | 7650 g |
| Depth (without stand) | 49 mm |
| Width (without stand) | 491 mm |
| Height (without stand) | 342 mm |
| Weight (without stand) | 5050 g |











