This dataset contains all the data points required to reproduce the figures from the paper "Coherent DWDM Single-Mode Transmission over Universal Fibre for Data Centre Interconnects". A description of the files is provided below:snr_vs_lp_om2.xlsx, snr_vs_lp_uf_off.xlsx, snr_vs_lp_uf.xlsx & snr_vs_lp_fibre_a.xlsx contain the signal-to-noise ratio for all wavelengths and launch power configurations tested in Fig. 2 for the OM2 fibre, Universal Fibre with 3.4um offset, Universal Fibre and Fibre A, respectively. These files also include the launch power. They allow full reproduction of Fig. 2(a).snr_vs_wav.xlsx: Signal-to-noise ratio as a function of the wavelength for the Universal Fibre with 3.4um offset, Universal Fibre and Fibre A. The wavelength at which performance was measured is also included. This file allows full reproduction of Fig. 2(b).snr_vs_CIR.xlsx: Signal-to-noise ratio as a function of the channel impulse response length for the Universal Fibre with 3.4um offset, Universal Fibre with 2um offset, Universal Fibre and Fibre A. The results were obtained at three different wavelength, namely 1540 nm, 1550 nm and 1560 nm. This file allows full reproduction of Fig. 3(a).dwdm_snr_vs_wav.xlsx: Line rate measured in terms of the generalised mutual information as a function of the wavelength for the Universal Fibre with 3.4um offset, Universal Fibre with 2um offset, Universal Fibre and Fibre A. The wavelength at which performance was measured is also included. This file allows full reproduction of Fig. 3(b).