2 DIMM slots , Up to 64GB DDR4 Memory 2666/2933/3200 MHz
Hard Drive
HDD or M.2 SSD
Removable Media
Optional
Expansion Bays
N/A
Expansion Slots
One M.2 slot for WiFi and Bluetooth card, Two M.2 2230/2280 slot for SSD/Intel Optane
Graphics
Intel UHD Graphics 630, 730, 750
Audio
Realtek ALC3246
Communications
Intel i219-LM10/100/1000 Mbps
I/O Ports
Front: Universal audio jack, re-tasking Line-in/Line out audio, 1 x USB 3.2 Gen 2x2 Type-C (integrated:Gen 2x1 Type-C when configured with 10th Generation Intel processors), 1 x USB 3.2 Gen 2 Type-A with PowerShare, Rear (Integrated): RJ45, 1 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-A with Smart Power on, 2 x USB 3.2 Gen 2 Type-A, 2 x DisplayPort 1.4, Rear (Discrete): RJ45, Mini DisplayPort 1.4, DisplayPort 1.4 Type-A, 1 x USB 3.2 Gen 1 Type-A with Smart Power on, 2 x USB 3.2 Gen 2 Type-A, DisplayPort 1.4
640 x 480, 24-bit color, 5-inches graphical TFT color display
Lines
4
Networking
The phone has a 10/100/1000BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for connecting a downstream Ethernet device such as a PC
Voice Codecs
G.711a, G.711u, G.729a, G.729ab, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported
Network Features
LLDP-MED, Cisco Discovery Protocol and IEEE 802.1 p/q tagging and switching
Signaling protocol support
The phones are supported in Cisco Unified Communications Manager and Unified Communications Manager Business Edition Versions 7.1.5 and later using Skinny Client Control Protocol (SCCP). Session Initiation Protocol (SIP). SIP support is targeted for July 2011
Features
Bluetooth Headset Support, Lighted Menu Key, Deep-Sleep Option, Four Soft Keys, Lighted Message Waiting Indicator, Volume Control, Adjustable Ringtones, Four Line Support
Power Supply
IEEE Power over Ethernet class 2, Cisco IP Phone Power Cube 3 along with one of the power cords (CP-PWR-CORD-CE for Europe)
