Side-by-Side Comparison
ElmorLabs PMD2X vs ScaleRF QuadRF
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
★ Recommended Winner
● HIGHLY RATED
Composite Score:
4.4
/ 5.0
A precision power measurement platform delivering critical per-wire 12V-2x6 current analysis, modular wireless expansion, and comprehensive multi-rail benchtop logging.
▲ DOCUMENTED QUIRKS
Composite Score:
4.2
/ 5.0
A modular 4x4 MIMO C-band SDR tile delivering coherent beamforming and spatial RF imaging through tight FPGA-to-Raspberry Pi 5 integration.
⚖️
Mizex Comparative Audit Verdict
The ElmorLabs PMD2X earns the higher Mizex Composite Score (4.4 vs 4.2), leading across 4 of 5 engineering pillars. With superior ratings in Engineering & Architecture, Build Quality & Materials, Thermal, Power & Acoustics, Real-World Reliability, it represents the superior reliability choice.
5-Pillar Engineering Telemetry
Detailed comparison across standardized normalized 1.0 – 5.0 engineering pillars.
ElmorLabs PMD2X
ScaleRF QuadRF
Engineering & Architecture
(30%)
Winner: ElmorLabs PMD2X (+0.1)
4.6
4.5
Build Quality & Materials
(20%)
Winner: ElmorLabs PMD2X (+0.1)
4.1
4.0
Thermal, Power & Acoustics
(20%)
Winner: ElmorLabs PMD2X (+0.5)
4.3
3.8
Real-World Reliability
(20%)
Winner: ElmorLabs PMD2X (+0.4)
4.5
4.1
Buyer Value & Upgrades
(10%)
Winner: ScaleRF QuadRF (+0.1)
4.5
4.6
ElmorLabs PMD2X: Strengths & Caveats
✔ Advantages
- Per-wire voltage and current monitoring across 12VHPWR / 12V-2x6 connections
- Comprehensive rail coverage spanning ATX 24-pin, dual EPS 8-pin, and triple PCIe 8-pin inputs
- Modular Seeed Studio XIAO ESP32C6 socket for custom wireless telemetry
- Onboard 2.4-inch OLED screen and USB-C PC logging with oscilloscope functionality
✖ Documented Caveats
- Open acrylic standoff enclosure lacks structural impact protection against accidental bench drops
- Stiff, high-gauge PSU cable bundles can impart physical torque onto onboard connectors
ScaleRF QuadRF: Strengths & Caveats
✔ Advantages
- Fully coherent 4x4 MIMO spatial beamforming and real-time RF camera visualization in the C-band
- Tight integration between Lattice ECP5 FPGA and onboard Raspberry Pi 5 via 5.6 Gbps MIPI link
- Modular tile architecture allows coherent scaling into large phased arrays for advanced applications
- Comprehensive open-source ecosystem support across GNU Radio, SoapySDR, and ZeroMQ
✖ Documented Caveats
- High thermal dissipation during simultaneous multi-channel transmission necessitates active airflow
- Limited to 4.9 GHz – 6.0 GHz spectrum coverage compared to wideband general-purpose SDRs
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | ElmorLabs PMD2X | ScaleRF QuadRF |
|---|---|---|
| Brand DIFF | ElmorLabs | ScaleRF |
| Model DIFF | PMD2X | ScaleRF QuadRF |
| Display Type DIFF | 2.4-inch OLED (White) | — |
| Pcie 12v 2x6 Connector DIFF | 1x 12VHPWR / 12V-2x6 (51 A continuous load, per-wire monitoring) | — |
| Cpu Eps Connectors DIFF | 2x EPS 8-pin (28 A continuous load each) | — |
| Gpu Pcie Connectors DIFF | 3x PCIe 8-pin (27 A continuous load each) | — |
| Motherboard Atx Connector DIFF | 1x ATX 24-pin (12V 14 A, 5V 25 A, 5VSB 5 A, 3.3V 25 A) | — |
| Voltage Measurement Accuracy DIFF | ±0.1 V (at 12 V) | — |
| Current Measurement Accuracy DIFF | ±0.5 A (at 10 A) | — |
| Host Interface DIFF | USB Type-C (extended telemetry, logging, oscilloscope) | — |
| Wireless Module DIFF | Seeed Studio XIAO ESP32C6 (via 2x7 pin socket) | — |
| Audible Alert DIFF | Integrated buzzer for over-current warning | — |
| Firmware Updates DIFF | Supported via USB Type-C | — |
| Dimensions DIFF | 145 x 120 x 28 mm (5.71 x 4.72 x 1.10 in) (W x H x D) | — |
| Enclosure Type DIFF | Dual acrylic plates with standoffs and pillars | — |
| RF Architecture DIFF | — | 4 RX / 4 TX Full-Duplex Coherent Phased Array (4x4 MIMO) |
| Frequency Range DIFF | — | 4.9 GHz – 6.0 GHz (C-Band) |
| Instantaneous Bandwidth DIFF | — | 40 MHz per antenna channel |
| Transmit Power DIFF | — | Up to 1 W per antenna channel |
| Onboard FPGA DIFF | — | Lattice ECP5 (LFE5U-45F-7BG256I) |
| Host Processor DIFF | — | Raspberry Pi 5 |
| Host Interconnect DIFF | — | 5.6 Gbps MIPI Bus |
| RF Front End Mixers DIFF | — | Analog Devices MAX2850 (TX) / MAX2851 (RX) |
| Antenna Configuration DIFF | — | 4x Dual-Polarization (RHCP / LHCP) Circular Patch Antennas |
| Software Support DIFF | — | GNU Radio, SoapySDR, ZeroMQ, SDRangel, Web GUI |
| Core Tile Weight DIFF | — | Approx. 35 g (1.2 oz) |
| Complete Kit Weight DIFF | — | Approx. 670 g (23.6 oz) |
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