Siglent SDS1204X HD 4CH 12bit 200MHz Oscilloscope
SIGLENT’s SDS1204X HD 4 channel high resolution digital storage oscilloscope is based on 2 GSa/s, 12-bit Analog-Digital Converters and front ends with excellent noise floor performance. With a bandwidth of 200 MHz, it has a maximum record length of 100 Mpts, and display 4 analog channels + 16 digital channels mixed signal analysis ability.
SDS1204X HD — 200 MHz, 4 channels, 12-bit
The SDS1204X HD is the 200 MHz, 4-channel model of Siglent’s SDS1000X HD series — an affordable 12-bit oscilloscope that brings high-resolution acquisition to the bench, lab and classroom. The 12-bit ADC resolves small signals and ripple with far less noise than an 8-bit scope, and a quiet front end keeps measurements trustworthy.
It pairs that resolution with 2 GSa/s sampling, up to 100 Mpts of memory and a 120,000 wfm/s capture rate, a 10.1" capacitive multi-touch display, and built-in Bode plot, power analysis and FFT. Standard serial decode (I²C, SPI, UART, CAN, LIN, plus CAN FD and FlexRay decode), optional 16-channel MSO and a 25 MHz generator make it a complete, budget-friendly bench.
Analysis tools built in

12-bit high resolution
A true 12-bit ADC reveals fine detail and small signals with 16× less quantisation noise than an 8-bit scope.

Bode plot & power analysis
Built-in frequency-response (Bode) plotting and power-analysis tools — loop response, ripple and harmonics on-instrument.

2 Mpts FFT
A deep 2 Mpts FFT turns the scope into a capable spectrum tool for spotting noise and harmonics.

Math & analysis
Four math traces with a formula editor, plus Search, Navigate, History, Mask Test and Counter.
Who it’s for & best applications
The SDS1204X HD is the most capable model in the entry line — 200 MHz across 4 channels — a versatile all-rounder for development benches that need both speed and multiple channels at once. Four channels and the higher bandwidth let you follow several fast signals, power rails and serial buses together, while 12-bit resolution keeps the fine detail visible throughout. Backed by deep memory, a 10.1″ capacitive touch display and a 120,000 wfm/s capture rate, it handles demanding multi-channel embedded, power and mixed-signal work, and grows further with an optional 16-channel logic probe and a 25 MHz waveform generator.
- R&D and design engineers
- Embedded & power-electronics developers
- Education and research labs
- Automotive & industrial electronics (entry)
- Versatile multi-purpose benches
- Multi-rail and multi-phase power-supply analysis
- Faster multi-channel embedded & mixed-signal debug
- Several higher-speed buses at once (incl. CAN FD, FlexRay decode)
- Control-loop, timing & cross-channel relationships
- FFT and power analysis
- Component, sensor & amplifier characterisation
Specifications
| Analog bandwidth | 200 MHz |
| Analog channels | 4 + EXT |
| Vertical resolution | 12-bit |
| Max. sample rate | 2 GSa/s (1 ch) · 1 GSa/s (2 ch) · 500 MSa/s (4 ch) |
| Max. record length | 100 Mpts (1 ch) · 50 Mpts (2 ch) · 25 Mpts (4 ch) |
| Waveform capture rate | 120,000 wfm/s (normal) · 500,000 wfm/s (sequence) |
| Display | 10.1" capacitive multi-touch (1024×600) |
| Trigger types | Edge, Slope, Pulse, Window, Runt, Interval, Dropout, Pattern, Video, Qualified, Nth edge, Delay, Setup/Hold, Serial |
| Serial trigger & decode (standard) | I²C, SPI, UART, CAN, LIN · CAN FD and FlexRay decode only (no trigger) |
| Math | 4 traces · 2 Mpts FFT · formula editor |
| Analysis tools | Search, Navigate, History, Mask Test, Counter, Bode Plot, Power Analysis |
| MSO (optional) | 16 digital channels (SLA1016) · up to 1 GSa/s · 10 Mpts |
| AWG (optional) | SAG1021I — 25 MHz isolated arbitrary waveform generator |
| Connectivity | USB 2.0 Host ×3 · USB 2.0 Device · 10/100M LAN · Ext trigger · Aux out · SBUS |
| Standard probe | PP215 passive probe, one per channel |
From the official SDS1000X HD datasheet; subject to change, errors & omissions excepted.
In the box
Everything included as standard with your SDS1204X HD.






Optional accessories & licenses
Expand your SDS1204X HD with logic analysis, a built-in generator and probes. Serial decode (I²C, SPI, UART, CAN, LIN, plus CAN FD and FlexRay decode-only) is included as standard.

SLA1016 16-channel logic probe — adds 16 digital channels at up to 1 GSa/s.

SAG1021I 25 MHz isolated arbitrary/function generator module.

Spare PP510 / PP215 passive probes and active / high-voltage probes.

SDP6150A / SDP6150D and DPB-series differential high-voltage probes.

Cables, cases, calibration kits, deskew fixtures and more.
Software & licenses
A real strength of the SDS1000X HD: serial trigger & decode for I²C, SPI, UART, CAN and LIN is included as standard, and so is CAN FD and FlexRay decoding (decode only, no trigger on those two) — paid licences on many other oscilloscopes. The only separate software option is Power Analysis.
| Function | Order number | Status | Action |
|---|---|---|---|
| Serial trigger & decode — I²C, SPI, UART, CAN, LIN | Standard | Included | No license required |
| CAN FD decode (decode only, no trigger) | Standard | Included | No license required |
| FlexRay decode (decode only, no trigger) | Standard | Included | No license required |
| Power Analysis software | SDS1000XHD-PA | Optional | €299.00Buy |
MSO (SLA1016) and the 25 MHz generator (SAG1021I) are hardware options shown above. Power Analysis is a software-only license — see the SDS1000XHD-PA page.
Compare the full SDS1000X HD range
See the 100 MHz and 200 MHz, 2- and 4-channel models side by side, or ask us for advice.