Broadcast Developer

Matrox DSX LE5 12G and X.mio5 12G

Name: Matrox DSX LE5 12G and X.mio5 12G
Brand: Matrox

12G/6G/3G PCIe SDI cards for developers of playout, graphics and recording systems

DSX LE5 12G and X.mio5 12G cards are designed for broadcast software vendors who need reliable SDI input and output. They feature flexible SDI channels, frame synchronizers and zero-latency mixers. X.mio5 adds on-board processing: deinterlacing, scaling and multi-layer compositing.

12G-SDIGenlock

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Key features

Up to 12 flexible SDI channels (12G/6G/3G)
Video or key, 8/10-bit YUV 4:2:2, 16 audio channels per stream
Up to 12 frame synchronizers and zero-frame-delay mixers
Genlock (bi/tri-level or SDI) and LTC input
Relay Bypass version for uninterrupted signal pass-through

Applications

Playout and channel-in-a-box

Live graphics and virtual studios

Replay, capture and recording

Medical applications (relay bypass)

Technical specifications

Bus	PCIe Gen3 x8 (x16 mechanical)
SDI	Up to 12 flexible channels; 12G (ST 2082), 6G (ST 2081), 3G (ST 424/425), HD (ST 292)
Formats	Up to 2160p 47.95–60 over 12G; 7680×4320p 47.95–60
Video	8/10-bit YUV 4:2:2; video or key; mixed standards
Audio and ANC	16 channels of embedded audio per stream (48 kHz); VANC/HANC
Synchronization	Analog bi/tri-level or SDI genlock; LTC input (ST 12M-1)
Processing	Proxy scaling, CSC; X.mio5: deinterlacing, scaling, compositing

Models

DSX LE5 12G DLE5/X2 / DLE5/8	Full height, PCIe Gen3 x8
DSX LE5 LP 12G DLE5L/8 / DLE5L/4	Low profile
DSX LE5 LP 12G Relay Bypass	2× 12G + 2× 3G pairs with relay bypass
X.mio5 12G X.mio5/X2 / X.mio5/8	SDI I/O with on-board processing

Source: official Matrox documentation, verified 2026-10-12. The manufacturer's current datasheet always applies to a project.