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PEX8748-CA80BC G
PEX8748-CA80BC G
| Part Number | PEX8748-CA80BC G |
|---|---|
| Manufacturer | Broadcom (Originally PLX Technology) |
| Category | Integrated Circuits (ICs) > Interface – Specialized / PCI Express (PCIe) Switch Controllers |
| Description | High-performance, 48-Lane, 12-Port PCIe Gen 3 (8.0 GT/s) ExpressLane switch chip with multi-host architecture, non-transparent bridging (NTB) and advanced DMA engines, lead-free FCBGA package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The PEX8748-CA80BC G is enterprise-grade 48-lane 12-port PCIe Gen3 switch from Broadcom (PLX Technology). Designed for data centers, HPC GPU clusters and NVMe storage arrays, it delivers sub-126ns low latency with flexible port bifurcation. Equipped with multi-host NTB and independent DMA engines, it supports secure cross-host data sharing and offloads CPU data transmission. Packaged in thermally optimized 676-ball lead-free FCBGA, it is a standard high-bandwidth interconnect chip for server and storage hardware.
Core Advantages
Flexible ExpressLane Port Bifurcation
48 lanes support configurable x4/x8/x16 port layout up to 12 ports, matching multi-GPU and dense NVMe storage without performance loss.
Advanced Multi-Host Non-Transparent Bridging (NTB)
Dedicated NTB logic enables isolated multi-host communication, suitable for high-availability storage failover and multi-processor synchronization.
Integrated High-Performance Hardware DMA Engines
Four programmable DMA channels handle large data transmission independently, reducing CPU load and improving system throughput.
Eco-Friendly Low-Power SerDes Execution
Dynamic lane power adjustment lowers power consumption and heat generation for sealed rack server deployment.
Key Specifications
| Brand | Broadcom / PLX Technology ExpressLane PCIe Gen 3 Switch Series |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free / Green Halogen-Free Materials Sourced (“G” Suffix) |
| EDA/CAD Model | 3D STEP Models, Schematic Symbols, and Pinout Footprint Configurations available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 676-BBGA / FCBGA (27mm x 27mm) |
| Mounting Type | Surface Mount Technology (SMD/SMT Lead-Free Reflow Solder Line Compatibility) |
| Surface Marking / Silkscreen | PEX8748-CA80BC G Marking |
| PCI Express Standard Revision | PCIe Base Specification Revision 3.0 (Fully backward compatible with Gen 2.0 and Gen 1.1) |
| Total PCI Express Lanes | 48 High-Speed Serial Lanes |
| Maximum Port Density Count | Up to 12 Independent Programmable Logic Ports |
| Transfer Link Speed Rate | 8.0 GT/s (Gigatransfers per second) per lane bandwidth capacity |
| Internal Cut-Through Latency | Typical sub-126 nanoseconds (ns) ultra-low propagation delay profiling |
| Configuration Management Link | External Serial SPI EEPROM, local I2C master/slave bus link, or JTAG interfaces |
| Power Consumption Nominal Range | Typically 4.9 W to 8 W, power varies based on active lane configuration load |
| Operating Temperature Range | 0°C to +70°C (Standard Commercial/Enterprise High-Availability Processing Scope) |
| Number of DMA Channels | 4 independent programmable hardware DMA engines |
| Maximum PCIe Packet Size | Up to 4096 bytes per transmission packet |
| Lane Independent Power Management | Supports active, idle, low-power sleep states per individual lane |
| Error Detection Mechanism | Built-in CRC, parity error detection and link fault reporting circuit |
Typical Applications
- High-Density Enterprise Servers, AI Compute Clusters, GPU Acceleration Equipment
- All-Flash NVMe JBOF Storage Arrays and High-Availability SAN Storage Systems
- Telecom Core Routers, Cloud Data Center Backplanes, Carrier Network Gateways
- Multi-screen Video Wall Controllers, Broadcast Equipment, High-Speed Frame Grabbers
- Industrial Workstations, Automated Test Equipment, Embedded Multi-Coprocessor Boards
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
Submit inquiry for datasheets, samples, stock status and bulk quotation, reply within 24 hours.
Frequently Asked Questions
Q1: Is PEX8748-CA80BC G 100% original Broadcom stock?
A: All chips are brand new original Broadcom/PLX parts, complete batch QC inspection, shipped in original ESD protection trays to protect solder balls.
Q2: What core function does NTB bring to this PCIe switch?
A: NTB creates isolated address domains for multiple host CPUs, enabling secure cross-host data exchange for cluster computing and storage failover systems.
Q3: What do CA80BC and suffix G mean in part number?
A: CA80BC stands for silicon mask version and factory test specification; suffix G means green lead-free RoHS FCBGA packaging for SMT production.
Q4: How to get register datasheet and bulk price?
A: Fill the page inquiry form with your board design and order quantity, our technical team will send full documents and customized bulk price within 24 hours.
Q5: What is the minimum order quantity for this PCIe bridge IC?
A: MOQ is 1 piece, we support sample trial order and large batch wholesale for manufacturers.
Q6: How long is the delivery time after payment?
A: In-stock items can be shipped within 1-2 working days, global delivery takes 3-7 days via DHL/UPS/FedEx.
Q7: Does this FCBGA-676 chip support standard SMT reflow soldering?
A: Yes, it fully complies with standard lead-free SMT reflow process, compatible with all mainstream PCB assembly lines.
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