1# System76 Adder Workstation 3 (addw3) 2 3## Specs 4 5- CPU 6 - Intel Core i9-13900HX 7- EC 8 - ITE IT5570E running [System76 EC](https://github.com/system76/ec) 9- Graphics 10 - dGPU options 11 - NVIDIA GeForce RTX 4050 12 - NVIDIA GeForce RTX 4060 13 - NVIDIA GeForce RTX 4070 14 - eDP displays 15 - 15.6" 1920x1080@144Hz LCD 16 - 17.3" 1920x1080@144Hz LCD 17 - External outputs 18 - 1x HDMI 2.1 19 - 1x Mini DisplayPort 1.4 20 - 1x DisplayPort 1.4 over USB-C 21- Memory 22 - Up to 64GB (2x32GB) dual-channel DDR5 SO-DIMMs @ 4800 MHz 23- Networking 24 - Intel I219-V gigabit Ethernet 25 - M.2 PCIe/CNVi WiFi/Bluetooth 26 - Intel Wi-Fi 6E AX210/AX211 27- Power 28 - 280W (20V, 14A) DC-in port 29 - Included: Chicony A18-280P1A 30 - 73Wh 4-cell Lithium-Ion battery 31- Sound 32 - Realtek ALC256 codec 33 - Internal speakers and microphone 34 - Combined 3.5mm headphone/microphone jack 35 - Dedicated 3.5mm microphone jack 36 - HDMI, mDP, USB-C DP audio 37- Storage 38 - 2x M.2 (PCIe NVMe Gen 4) SSDs 39 - MicroSD card reader 40- USB 41 - 1x USB Type-C with Thunderbolt 4 42 - 1x USB 3.2 Gen 2 Type-C 43 - 1x USB 3.2 Gen 1 Type-A 44 - 1x USB 2.0 Type-A 45- Dimensions 46 - 15": 2.71cm x 35.95cm x 23.8cm, 2.05kg 47 - 17": 2.82cm x 39.69cm x 26.2cm, 2.85kg 48 49## Flashing coreboot 50 51```{eval-rst} 52+---------------------+---------------------+ 53| Type | Value | 54+=====================+=====================+ 55| Socketed flash | no | 56+---------------------+---------------------+ 57| Vendor | GigaDevice | 58+---------------------+---------------------+ 59| Model | GD25B256E | 60+---------------------+---------------------+ 61| Size | 32 MiB | 62+---------------------+---------------------+ 63| Package | WSON-8 | 64+---------------------+---------------------+ 65| Internal flashing | yes | 66+---------------------+---------------------+ 67| External flashing | yes | 68+---------------------+---------------------+ 69``` 70 71The flash chip (U65) is above the battery connector. 72