Debug or Trace efficiently with SEGGER’s market-leading J-Link debug probes and J-Trace streaming trace probes
The J-Link debug probes with their outstanding performance, robustness, and ease of use are the market leading debug probes today. The J-Trace PRO sets a benchmark for instruction tracing with its streaming trace function.
Debug and trace probes are essential tools for embedded development. They enable engineers to test, analyze, and optimize code directly on microcontrollers and other embedded systems. SEGGER’s J‑Link and J‑Trace models provide high-performance solutions for debugging in real time, setting breakpoints, and running comprehensive trace analyses—all of which help give developers deep insight into applications.
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Model Comparison: J-Link | J-Trace
Showing 1–18 of 64 results
J‑Link BASE Classic (8.08.00)
Debug Probe
| Download Speed to RAM | 1.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✗ |
| J-Flash | J-Flash SPI | ✗ |
| RDI | ✗ |
| Ozone | ✗ |
| Ethernet | ✗ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically within 1 Business Day
J-Link BASE Compact (8.19.00)
Debug Probe
| Download Speed to RAM | 1.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✗ |
| J-Flash | J-Flash SPI | ✗ |
| RDI | ✗ |
| Ozone | ✗ |
| Ethernet | ✗ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Link PLUS Classic (8.08.28)
Debug Probe
| Download Speed to RAM | 1.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✓ |
| J-Flash | J-Flash SPI | ✓ |
| RDI | ✓ |
| Ozone | ✓ |
| Ethernet | ✗ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Link PLUS Compact (8.19.28)
Debug Probe
| Download Speed to RAM | 1.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✓ |
| J-Flash | J-Flash SPI | ✓ |
| RDI | ✓ |
| Ozone | ✓ |
| Ethernet | ✗ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Link ULTRA+ (8.16.28)
Ultra Fast Debug Probe
| Download Speed to RAM | 4.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✓ |
| J-Flash | J-Flash SPI | ✓ |
| RDI | ✓ |
| Ozone | ✓ |
| Ethernet | ✗ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Link PRO (8.12.00)
Ultra Fast Debug Probe with Ethernet Interface
| Download Speed to RAM | 4.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✓ |
| J-Flash | J-Flash SPI | ✓ |
| RDI | ✓ |
| Ozone | ✓ |
| Ethernet | ✓ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Link PRO PoE (8.12.28)
Ultra Fast Debug Probe with Ethernet Interface for Test Farms
| Download Speed to RAM | 4.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✓ |
| J-Flash | J-Flash SPI | ✓ |
| RDI | ✓ |
| Ozone | ✓ |
| Ethernet | ✓ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Link WiFi (8.14.28)
Debug Probe with WiFi Interface
| Download Speed to RAM | 1.0 MiB/s |
| Download Into Flash1 | ✓ |
| GDB Server | ✓ |
| Unlimited Flash Breakpoints | ✓ |
| J-Flash | J-Flash SPI | ✓ |
| RDI | ✓ |
| Ozone | ✓ |
| Ethernet | ✓ |
| ✓ Included ✗ Not Included | |
1 For use from within an IDE
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Trace PRO Cortex-M (8.18.00)
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Trace PRO Cortex (8.20.00)
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Trace PRO RISC-V (8.22.00)
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
J-Trace PRO (8.24.00)
Stock Status: In Stock
Delivery Time: Typically ships within 1 Business Day
SystemView (8.50.00)
SystemView is a real‑time recording and visualization tool that reveals the inner workings of an application, going far deeper than the insight provided by debuggers alone.
Stock Status: In Stock
Delivery Time: Electronically delivered within 1 to 2 Business Day(s) *
* If ordering hardware to be included for licensing purposes, please refer to hardware description for it’s Stock Status and Delivery Time.
SystemView – Extension (8.50.02)
Stock Status: In Stock
Delivery Time: Electronically delivered within 1 to 2 Business Day(s)
Multiple year extension discount available
J-Link Upgrade BASE to PLUS (8.08.13)
Stock Status: In Stock
Delivery Time: Electronically delivered within 1 to 2 Business Day(s)
J-Link SDK (8.08.06)
Stock Status: In Stock
Delivery Time: Electronically delivered within 2 to 3 Business Day(s)
J-Link SDK – Extension (8.08.18)
Stock Status: In Stock
Delivery Time: Electronically delivered within 2 to 3 Business Day(s)
Multiple year extension discount available
J-Link DSK (8.08.29)
Stock Status: In Stock
Delivery Time: Electronically delivered within 1 to 2 Business Day(s)