Side-by-Side Comparison
Power over Ethernet
PoE++ Type 3 vs. PoE++ Type 4
Comparing 2 standards across 12 specifications. 10 key differences identified.
Comparing:
PoE++ Type 3
PoE++ Type 4
Power over Ethernet Plus Plus Type 3 (PoE++ / 4PPoE, IEEE 802.3bt Type 3) is a 2018 standard that supplies up to 60.0 W of DC power per PSE port and guarantees 51.0 W of usable power at the PD by transmitting current across all four twisted pairs simultaneously.
Power over Ethernet Plus Plus Type 4 (High-Power PoE++, IEEE 802.3bt Type 4) is the highest standardized PoE tier, delivering up to 90.0 W (and up to 99.9 W maximum) from the PSE to guarantee 71.3 W of DC power across all four pairs to high-draw client hardware.
Specification Comparison Table
12 Parameters| Parameter / Spec | ||
|---|---|---|
|
IEEE Standard
|
IEEE 802.3bt-2018 | IEEE 802.3bt-2018 |
|
PoE Type
|
Type 3 (4PPoE / PoE++) | Type 4 (High-Power PoE++) |
|
PoE Power Classes
|
Class 5 (45W PSE) and Class 6 (60W PSE) | Class 7 (75W PSE) and Class 8 (90W PSE) |
|
PSE Output Power (Max)
|
60.0 W | 90.0 W (up to 99.9W) |
|
PSE Output Voltage Range
|
50.0–57.0 V DC | 52.0–57.0 V DC |
|
PD Input Voltage Range
|
42.5–57.0 V DC | 41.1–57.0 V DC |
|
Max Current
|
600 mA per pair set | 960 mA per pair set |
|
Twisted Pairs Energized
|
4 pairs (4PPoE) | 4 pairs (4PPoE) |
|
PD Input Power (Guaranteed)
|
51.0 W | — |
|
Minimum Cable Category
|
Category 5e | — |
|
PD Input Power (Guaranteed @ 100m)
|
— | 71.3 W |
|
Recommended Cable Category
|
— | Category 6a (23 AWG solid copper) |