AI Server & Data Center Connectors
AI Server & Data Center Connectors
Articles
29 entriesCable Backplane vs Midplane vs Orthogonal: Choosing a Chassis Architecture
At 112G and 224G, PCB traces lose too much signal. See how cable backplanes, midplanes and orthogonal designs compare and when each makes sense.
DAC vs ACC vs AEC vs AOC: Choosing High-Speed Cables for AI Clusters
Passive DAC, active copper ACC, active electrical AEC and optical AOC cables each fit a different reach. See how to choose for 400G and 800G links.
DC-MHS Host Processor Modules: M-FLW vs M-DNO Explained
In DC-MHS the host processor module is the server board. M-FLW covers full width, M-DNO partial width. See the sizes, connectors and power zones.
Liquid Cooling Leak Detection Cables: How They Work and How to Choose
A leak detection cable senses liquid by the short it creates between two conductors. See the main types, where they go in a rack and what to check.
M-PESTI Explained: Sideband Tunneling and Presence Detection in DC-MHS
M-PESTI lets a DC-MHS PCIe port send sideband signals over a single wire and detect what is plugged in. See how it works and what to check.
SFF-TA-1002 Card Edge Connectors: Type 1 vs Type 2 and Sizes
SFF-TA-1002 is the card edge connector behind OCP NIC 3.0 and EDSFF. Learn the sizes, how Type 1 and Type 2 differ and what the ratings mean.
ORv3 AC Input Connector: The 7-Pin Power Shelf Inlet Explained
The ORv3 AC input connector is a slim 7-pin inlet for the power shelf. See what it supports, typical ratings and the points to check when selecting one.
OCP Liquid Cooling Quick Disconnects: UQD and UQDB Selection by Use Case
UQD and UQDB couplings move coolant between racks, manifolds and servers. See what to check on flow, spill, materials and blind mating.
DC-MHS and M-XIO Explained: Cabled PCIe Connectors in OCP Servers
DC-MHS splits a server into modules, and M-XIO is the cabled PCIe port that joins them. See which connectors it allows and what to check when selecting one.
OCP NIC 3.0 Connectors: 4C+ Card Edge, Form Factors and Selection
OCP NIC 3.0 cards plug into SFF-TA-1002 card-edge connectors. See what 4C+ and 4C mean, how form factors differ and what to ask a supplier.
MCIO vs OCuLink: Cabled PCIe Connectors for OCP and AI Servers
MCIO and OCuLink both carry PCIe over a cable but target different speeds and systems. See how they differ and how to choose between them.
ORv3 Power Connectors by Use Case: Power Shelf, Busbar and Blind-Mate Node
An ORv3 rack has four power connector jobs: AC input, shelf output, busbar and node. See what each does and what to check on ratings.
What Is an OCP Server? OCP vs Traditional Racks Explained
An OCP server is built to an Open Compute Project specification. Learn how Open Rack differs from a 19-inch rack and which connectors change.
OCP and ORv3-Compliant Connectors: Standards Guide
OCP specifications define high-density power and signal interconnects. This guide maps each OCP domain to the connector family it uses and to our detailed articles.
NVIDIA Vera Rubin MGX 1.2: What the Open Rack Design Means for Connectors
NVIDIA's MGX 1.2 adds blind-mate liquid cooling, a liquid-cooled 5,000 A busbar and fanless trays for racks up to 250 kW. Here is what is confirmed and what it means for connectors.
UQD and UQDB Quick Disconnects Explained: OCP's v2.0 Spec for Liquid-Cooled AI Racks
OCP's UQD v2.0.0 spec defines the couplings behind liquid-cooled AI trays. We summarize its numbers, compare NVIDIA's MQDB family, and list what to check when specifying parts.
M-XIO and MCIO Connectors Explained: Cabled PCIe for DC-MHS Servers
DC-MHS modular servers move PCIe onto cables through M-XIO connectors. We summarize what TE and Molex publish, where their descriptions differ, and what to ask suppliers.
OCP OAM Connectors Explained: Accelerator Module Interconnect Design
Discover how OCP Open Accelerator Module (OAM) high-density mezzanine connectors handle high-speed interconnects, massive power delivery, and thermal tolerances in AI processing systems.
CRPS Explained: OCP's Common Redundant Power Supply Connector Standard
Explore the CRPS (Common Redundant Power Supply) connector interface, featuring card-edge pin assignment breakdown, hot-swapping mechanisms, and server chassis design.
EDSFF Connectors Explained: E1.S vs E3.S for OCP Server Storage
Compare EDSFF E1.S and E3.S storage connector form factors, examining SFF-TA-1002 edge interface pins, thermal airflow advantages, and high-density NVMe drive integration.
OCP DC-SCM Explained: The Data Center Secure Control Module Connector Interface
A detailed engineering guide to the OCP Data Center Secure Control Module (DC-SCM) connector interface, exploring board-to-board decoupling, high-speed signals, and server management physical design.
OCP Open Rack Busbar Power Connectors: ORv2 vs ORv3 Explained
Compare OCP Open Rack ORv2 and ORv3 busbar power connector architectures, examining 12V vs 48V current density, blind-mate tolerance, and contact design.
Mezzanine connectors explained: Applications in servers
Explore high-density mezzanine connectors in server architectures. Learn board-to-board stack height optimization, 112G/224G PAM4 BGA interfaces, hermaphroditic contact designs, and signal integrity rules.
GPU server connectors explained
Discover the physical connector standards powering GPU servers. Learn SXM, OAM mezzanine form factors, 12VHPWR/12V-2x6 power connections, and high-speed fabric routing.
PCIe Gen5 connector selection guide
A practical guide for choosing PCIe Gen5 connectors. Evaluate CEM card edge, SFF-TA-1002 (EDSFF), and Gen5 flyover cable options across insertion loss and layout constraints.
Copper vs. optical in high-speed data links
Compare Direct Attach Copper, Active Optical Cables, and pluggable transceivers at 112G and 224G PAM4. Evaluate reach, power consumption, latency, and cost trade-offs.
High-speed backplane connectors
Explore backplane connector architectures for modular chassis switches and AI compute nodes. Compare traditional, direct orthogonal, and cabled backplane topologies at 112G/224G PAM4.
PCIe connectors explained: Gen4 vs Gen5 vs Gen6
Compare PCIe Gen4, Gen5, and Gen6 card edge connectors. Analyze the jump from 16 GT/s to 64 GT/s, NRZ to PAM4 signaling transitions, and tight channel loss budgets.
800G Ethernet interconnects and form factors
Compare OSFP and QSFP-DD form factors powering 800G Ethernet in AI clusters. Evaluate thermal dissipation, backward compatibility, and port density trade-offs.