HDR10
HDR10 is the open high dynamic range video standard: static metadata, Rec.2020 color, and PQ (ST 2084) tone mapping, usually aiming for about 1000-nit peaks on consumer displays.
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2.5GbE
2.5GbE (2.5 Gigabit Ethernet) is multi-gig copper Ethernet at 2.5 Gbps (about 2.5× Gigabit), usually over existing Cat5e/Cat6 cabling between NICs, USB adapters, and multi-gig switches.
VRR
Variable Refresh Rate syncs the monitor’s refresh to the GPU’s frame rate so games tear less and stutter less when FPS swings.
VESA
VESA is the industry standard for the screw-hole pattern on the back of a monitor or TV so arms and wall mounts can bolt on without a proprietary bracket.
SFP+
SFP+ (enhanced Small Form-factor Pluggable) is the hot-pluggable cage used for 10 Gigabit Ethernet optics, copper RJ45 modules, and twinax Direct Attach cables on switches and NICs.
Direct Attach
DAC / Direct Attach Copper: a short twinax cable with SFP+ (or QSFP) cages molded on both ends for short-reach 10G/25G/40G/100G switch-to-switch or NIC-to-switch links without separate optical modules.
Dummy plug
A tiny HDMI or DisplayPort dongle that spoofs a monitor so a headless Mac or PC keeps a full-resolution virtual display for remote desktop.
EDID
Extended Display Identification Data: the short identity blob a monitor (or dummy plug) sends so a GPU knows which resolutions and refresh rates to offer.
HDCP
High-bandwidth Digital Content Protection: the copy-protection handshake on HDMI and DisplayPort that can blank a capture card, splitter, or dummy-plug path when a protected stream refuses to play.