R-VPX VITA 46 Backplane
The board-to-board interconnect for embedded computing systems. ADMTEC supplies not only the connectors but the guide modules and guide pins that go with them, and keeps the main items in Korean stock.

OpenVPX
What VPX · VITA 46 is
OpenVPX is the open architecture that standardizes modules and backplanes in defense and aerospace systems. It defines pin assignments and interoperability criteria, and its purpose is to cut custom design work, testing, cost, and risk.
Amphenol supplies this ecosystem split by specification. VITA 46 covers high-speed signal, VITA 66 covers fiber optics, and VITA 67 covers radio frequency.
R-VPX is the ruggedized board-to-board interconnect built to VITA 46. It combines a PCB wafer construction with wafer loading patterns, so the module make-up can be changed.
The Amphenol VITA ecosystem4 rows · tap to expand
| Specification | Role |
|---|---|
| VITA 46 | High-speed signal — R-VPX |
| VITA 66 | Fiber optics |
| VITA 67 | Radio frequency (RF) |
| VITA 62 | Power |
Per the catalog, VITA 62 power modules, VPX backplane boards, and VPX chassis are handled by other organizations within Amphenol. Ask us about them together with your other items and we will check and let you know.
Ruggedized VITA 46
R-VPX connectors
Values confirmed in the Amphenol catalog.
- Specification
- VITA 46 qualified (OpenVPX)
- Data rate
- Over 10 Gbps
- Operating temperature
- −55 °C to +125 °C
- Contact current
- 1.5 A
- Signal density
- Up to 140 signals per inch
- Card slot pitch
- Supports 0.8 inch
Intermates with existing VITA 46 connectorsDetails · tap to expand
Fully intermateable and intermountable with existing VITA 46 connectors. It can go straight into a system already in progress.
Exceeds VITA 47Details · tap to expand
It goes beyond the requirements of VITA 47, the environmental and mechanical specification.
Four-point contact · low insertion forceDetails · tap to expand
A ruggedized four-point contact system, designed for low mating force.
Pin-less backplaneDetails · tap to expand
The backplane connector family uses a pin-less construction.
Module combinationsDetails · tap to expand
It can be combined with high-power modules, RF modules (VITA 67), and optical modules (VITA 66).
Supported protocols: PCIe Gen 1–5 · 1000BASE-KX · 10GBASE-KX4 · 10GBASE-KR10 · 40GBASE-KR4 · InfiniBand SDR/DDR/QDR · Serial RapidIO 2.5–25 Gbaud.
Hardware
Guide modules and guide pins
A backplane system is not built from connectors alone. It also needs the guide modules and guide pins that steer each module into exactly the right position.
In our actual supply record the hardware share is the larger one.
Hardware we supply (Amphenol catalog HARDWARE section)4 rows · tap to expand
| Item | Material and process |
|---|---|
| Guide module | Zinc die cast |
| Guide module | Machined aluminum |
| Guide pin | Zinc die cast |
| Guide pin | Machined stainless steel |
The backplane connector extraction tool is in the catalog as well. Ask us and we will cover it together with the rest.
R-VPX Evolution
When you need more speed — Evolution
R-VPX Evolution is the family designed for the latest high-speed protocols, delivering up to 32 Gbps. It meets the VITA 46 and VITA 47 performance requirements while still mating with existing VITA 46 backplane connectors.
The practical advantage is that a system whose speed requirement is rising can be answered without replacing the backplane.
- Maximum data rate
- 32 Gbps
- Specification
- Meets VITA 46 · VITA 47
- Compatibility
- Mates with existing VITA 46 backplane connectors
- Supported protocols
- PCIe Gen 4 and 5 · 100GBASE-KR4 · Serial RapidIO 25 Gbaud and others
Q&A
Frequently Asked Questions
Can it go straight into an existing VITA 46 backplane?
Yes. R-VPX is designed to be fully intermateable and intermountable with existing VITA 46 connectors. Even when you move up to the Evolution family for higher speed, it still mates with existing VITA 46 backplane connectors.
Do you supply only connectors, or guide modules and pins as well?
Both. Guide modules and guide pins come in zinc die cast and machined (aluminum, stainless steel) versions, and we also supply the backplane connector extraction tool. You can get the connectors and the hardware from one point of contact.
How many Gbps is supported?
The base R-VPX family goes beyond 10 Gbps, and the Evolution family supports up to 32 Gbps. It covers current protocols such as PCIe Gen 5, 100GBASE-KR4, and Serial RapidIO 25 Gbaud.
Can optical or RF modules be built into the same system?
Yes. R-VPX can be combined with optical modules (VITA 66), RF modules (VITA 67), and high-power modules. If the configuration is already decided, send us the slot layout and we will go through it with you.
What is the operating temperature range?
−55 °C to +125 °C. Storage temperature can reach a range close to the operating range, but the catalog states that normal room-temperature warehouse storage is recommended.
Can I get a C of C with the order?
Yes. We issue one for every order — what it covers and the original certificate are on the Authorized Distributor certification page.
Specification sources3 documents · tap to expand
R-VPX · VITA 46/66/67: Amphenol VITA Compliant Connectors (12/2021) · R-VPX Evolution 2: Amphenol R-VPX Evolution 2 data sheet · Manufacturing: Amphenol Aerospace (Sidney, New York). We confirm the latest revision and the exact applicable specification with you when we quote.
