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Chasis : Tower CPU : 1 x Intel Xeon E3-1240 V6 RAM: 4 x 8 GB, Up to 64GB RAM Slots : 4 DIMMs slots, DDR4 HDD Bays : 2 x 2 TB 7.2 K Internal Storage (max) : 8 x 3.5 Disks On board network : 5720 Internal Raid Controllers : H730 PCI Slots : Up to 4 PCIe USB: Rear: 2 x USB 3.0 + 4 x USB 2.0, Front: 1 x USB 2.0 + 1 x USB 3.0 PSU: 1 x 495W

Chasis : 1U Rack CPU : 1 x Intel Xeon E3-1240 V2 RAM : 2 x 4 GB, Up to 32 GB RAM Slots : 4 DIMMs slots, DDR3 HDD Bays : - Internal Storage (max) : Up to 16 TB On board network : 1 Gigabit Internal Raid Controllers : P420 PCI Slots : One PCIe x 8 Gen2, One PCIe x 16 Gen3 USB: USB 2.0 x 4 rear, USB 2.0 x 2 front, one internal (optional) PSU: 2 x 460 W

Screen : 396 x 162 pixel (3.5 in. / 89 mm) High-resolution, graphical grayscale display Lines : 4 Networking : Integrated IEEE 10/100/1000 switch Voice Codecs : G.711a/?, G.722, G.729a, iLBC Network Features : Cisco Discovery Protocol, Transparent secure roaming, Provisioning of network parameters through DHCP Signaling protocol support : Session Initiation Protocol (SIP) Features : Four line and programmable feature keys, Built-in speakerphone, Wideband for enhanced audio clarity Power Supply : The phone supports IEEE 802.3af PoE (Class 1), Cisco power cube 3 (CP-PWR-CUBE-3=) and Cisco power adapter 3 (CP-PWR-ADPT-3) Dimensions : 20.7 x 20.6 x 2.8 cm Weight : 867 g

Screen : 5-inches 800 Χ 480 resolution, grayscale display Lines : 5 Networking : 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network Voice Codecs : G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) Network Features : Session Initiation Protocol (SIP), Session Description Protocol (SDP), UDP, DHCP, GARP Signaling protocol support : Session Initiation Protocol (SIP), IPv4 and IPv6, Features : The phone offers an easy-to-use interface and provides a traditional telephony-like user experience, Wideband for enhanced audio clarity, Line keys, Soft keys, Four-way navigation keys Power Supply : IEEE Power over Ethernet class 2, Cisco IP Phone Power Cube 4 Dimensions : 229.1 x 257.34 x 40 mm Weight : 1.17 kg

Screen : Large pixel-based display Lines : 2 Networking : Two-port Ethernet switch allows for a direct connection to a 10/100BASE-T Ethernet network Voice Codecs : G.711a, G.711?, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported Network Features : Signaling protocol support : Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control Power Supply : 48 VDC required, supplied locally at the desktop using an optional AC-to-DC power supply Dimensions : 20.32 x 26.67 x 15.24 cm Weight : 1.6 kg

Screen : Pixel-based display Lines : 1 Networking : 10/100BASE-T Ethernet connection through an RJ-45 interface for LAN connectivit Voice Codecs : G.711a, G.711u, and G.729ab audiocompression coders-decoders Network Features : IEEE 802.1Q /p VLAN tagging and traffic prioritization, Trivial File Transfer Protocol (TFTP) Signaling protocol support : Cisco Unified CallManager Version 3.3(2) and later, using the Skinny Client Control Protocol (SCCP) protocol, SIP Features : Calling name and number display, Three-way calling (conference), Four speed dials configurable Power Supply : Inline power. Power can also be supplied locally using an optional AC to 48-VDC power adapter Dimensions : 20.3 x 17.67 x 15.2 cm Weight : 0.9 kg

Screen : Large Graphical backlit gray-scale display 168 x 132 dots Lines : 1 Networking : 10/100 Base T Ethernet connections Voice Codecs : G.711, G.729a/b, G.726A Quality Of Service : QoS Options of UDP Port selection, Diffserv, 802.1p/q Network Protocols : SNMP Features : 24 programmable feature keys, 10 fixed feature keys, 7 position adjustable desk stand Power Supply : Multiple options, including support for PoE Dimensions : 24.9 x 23.6 x 17.8 cm Weight : 1.3 kg