The M2p.59xx series allows recording of up to eight single-ended channels or up to four differential channels both with sampling rates of up to 125 MS/s. These PCI Express cards offer outstanding A/D features both in resolution and speed. The cards can be switched between single-ended inputs with a programmable offset and true differential inputs. If used in differential mode each two inputs are connected together reducing the number of available channels by half. The 16 bit vertical resolution have four times the accuracy compared to 14 bit cards and sixteen times the accuracy if compared with a 12 bit card. All boards of the M2p.59xx series may use the whole installed on-board memory of up to 512 MSamples completely for the currently activated number of channels

In contrast to the parallel PCI buses PCI Express slots contain serial point to point connections. Each connection pair (lane) is able to reach a burst connection speed of 250 MBytes/s. The Spectrum PCI Express cards base on the powerful x4 lane slot type. One advantage of the PCI Express technology is the direct connection of each slot allowing a full transfer bandwidth for each single card. PCI Express is today's bus standard for PC based systems. Spectrum's PCI Express x4 cards can be used in any standard PCI Express slot with x4, x8 or x16. They physically do not fit into one lane (x1) PCIe slots.