Cisco PVDM3-128= 128-Channel High-Density Packet Voice and Video Digital Signal Processor DSP Module Specifications: Form Factor: Plug-in module RAM: 512 MB Compatible Slots: 1 x expansion slot - DIMM 240-pin Compliant Standards: CISPR 22 Class B, CISPR 24, EN 61000-3-2, IEC 60950, EN 61000-3-3, EN55024, EN50082-1, EN55022 Class B, AS/NZS 60950-1, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, EN 61000-4-5, EN 61000-4-11, EN 61000-4-8, UL 60950-1, EN 60950-1 Min Operating Temperature: 23 °F Max Operating Temperature: 131 °F Parts: 90 days limited Labor: 90 days limited