Product Code PM123
CPU: ARM Cortex M4
Memory: 32KB RAM, 128K Flash
User Interface: 1.8" LCD 128X64 Pixels + Membrane keypad
Standards: ATX12V v2.4
Connectors: 24-Pin In, 8-Pin CPU In, 6-Pin PCIe In, SATA In, 24-Pin Out, 8-Pin CPU Out, 6-Pin PCIe Out, SATA Out
Internal load: Internal load (1Watt) on +12V1DC, +12V2DC, +5VDC and +3.3VDC voltage rails. Active only when the PSU tester is in standalone mode (Disable in Inline mode).
Measurement Voltages:
+12V1DC, +12V2DC (12V CPU), +5VDC, +3.3VDC, +5VSB, -12VDC, +12VDC PCIe

+12V1DC, +12V2DC (12V CPU), +5VDC, +3.3VDC, +5VSB, +12VDC PCIe, +12VDC SATA, +5VDC SATA. +3.3VDC SATA

+12V1DC, +12V2DC (12V CPU), +5VDC, +3.3VDC

Power-on Time (T1), Rise Time (T2), PWR_OK delay (T3) and Power-down warning (T6)

Minimum slew rate and Ramp up:
Check smooth and continuous ramp up of +12V1DC, +12V2DC (12V CPU), +5VDC, +3.3VDC.

Power Sequencing:
Check +12VDC and +5VDC against +3.3VDC during power up to ensure they are equal to or greater than the +3.3VDC.

Maximum inline current +12V1DC: 50A
+12V2DC (12V CPU): 55A
+5VDC: 50A
+3.3VDC: 50A
+5VSB: 8A
+12VDC PCIe: 50A
+3.3VDC SATA: 5A
Operational Voltage: 4.5V - 5.6V via USB port or the +5V on the 24-Pin connector
Operational Current: 170mA
Measurement Error (A) ±2%
Measurement Error (V) ±0.5%
Case High impact ABS plastic
Size: 225mm x 85mm x 30mm
(8.8 x 3.3 x 1.2 inches)
Weight: 240g (8.4oz)
Safety Protections: Over voltage protection
+12V: protected up to 22V
+5V: protected up to 10V
+3.3V: protected up to 6.5V
Storage Temperature: -30 °C to + 80 °C
Usage Temperature: 0 °C to 40°C
RoHS (Lead free): Yes

The PSU Tester is software upgradeable.

The specifications above are for the PassMark Inline PSU Tester hardware revision 001.


Windows 7, 8, and 10 are supported.
Windows: PSUTest software is required for Windows.
Both 32bit and 64bit Windows drivers are available.

Please contact sales@passmark.com for more ordering details.