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PCIe FPGA Card
S7t-VG6
VectorPath Accelerator Card
Achronix Speedster7t FPGA board with GDDR6 and QSFP-DD
Overview
The S7t-VG6 VectorPath accelerator card offers a 7nm Achronix FPGA that is optimized for high-speed networking and fast, high-capacity memory access. Featuring a QSFP-DD (double-density) cage, the board supports up to 1x 400GbE or 4x 100GbE using the 56G PAM4-enabled Speedster®7t device. An additional QSFP port supports 2x 100GbE, and a 4x MCIO connector for expansion. Sixteen channels of GDDR6 graphics DRAM handle high-bandwidth memory requirements, providing up to 448GB/s.
The FPGA offers large logic and memory resources—up to 692K 6-input lookup tables (LUTs), and 189 Mb embedded RAM. It also provides 2,560 MLPs (machine-learning blocks).
Key Features
QSFPs for 1x 400G or 6x 100G
16GB GDDR6 up to 448GB/s
7nm FPGA with 56Gbps SERDES
Video
Craig Petrie gives a detailed explanation of the card's key features.
Generation 5.0
Double the Bandwidth!
The S7t-VG6 is ready for Gen5 for twice the bandwidth per lane of Gen4.
Block Diagram, Data Sheet and Specifications
Want More Details?
Request the Hardware Reference Guide (HRG)
The HRG gives you much more detail about the card such as block diagrams, tables and descriptions.
Specifications
FPGA
- Achronix Speedster AC7t1500
- 52.5 x52.5 package
- 692K 6-input lookup tables (LUTs)
- 189 Mb embedded RAM
- 2,560 MLPs
On-board Memory
- 16 GBytes GDDR6: 8 banks (2 independent 16-bit, 14 Gbps channels per bank), 3.5 Tbps aggregate bandwidth
- One bank DDR4-2666 with ECC, up to 4 GBytes (x72)
- Flash memory for booting FPGA
Host interface
- PCI-SIG certified to support PCIe Gen5 x16 host interface
External clocking
- 1 PPS and 10MHz ref clk front panel inputs
USB
- USB port for access to BMC, USB-JTAG, USB-UART
- Second USB port for daisy chain
MCIO
- MCIO connected to FPGA via 4x transceivers
- PCIe Gen5 Hard IP
GPIO
- 8 GPIO pins, 3.3V, single ended, direction (Tx, Rx) independently settable by FPGA per GPIO, buffers rated to 200Mbps
QSFP cages
- QSFP-DD cage on front panel
- 56G PAM4 transceivers
- 400/200/100/50/25/10GbE
- Hard MAC and FEC for every speed
- QSFP56 cage on front panel
- 56G PAM4 transceivers
- 200/100/50/25/10GbE
- Hard MAC and FEC for every speed
Board management controller
- Voltage, current, temperature monitoring
- Power sequencing and reset
- Field upgrades
- FPGA configuration and control
- Clock configuration
- I2C bus access
- USB 2.0
- Voltage overrides
Cooling
- Standard: dual-width passive heatsink
- Optional: dual-width active heatsink
- Optional: dual-width liquid cooling
Electrical
- On-board power from two AUX connectors (8 pin)
- Power dissipation is application dependent
- Typical max power consumption 225W
Environmental
- Operating temperature 5°C to 35°C
- Airfow requirements: 800 LFM
Form factor
- Standard-height PCIe dual-width board
- Size: 111.15mm x 266.70mm (4.376in x 10.500in)
Development Tools
System development
- Software development toolkit including PCIe driver, libraries and board monitoring utilities
FPGA development
- Achronix tools—ACE Design Tools
- FPGA example projects
r4 v2
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