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SG350HX-US vs GW320K-UT 13 of 19 identical Swap Change inverters

Sungrow SG350HX-US vs GoodWe GW320K-UT

Sungrow SG350HX-US
Sungrow
SG350HX-US
320 kW Grid-tie
VS
GoodWe GW320K-UT
GoodWe
GW320K-UT
320 kW Grid-tie
The verdict

GW320K-UT leads on the differences that matter

The largest is mpp trackers: 3 trackers more. 13 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
13 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 19 parameters
Parameter SG350HX-US GW320K-UT Difference
MPP trackers 12 15 3 trackers more
Weight 122.0 kg 124.0 kg 2.0 kg lighter
Start voltage 550 V 500 V 50 V earlier start
Ingress protection IP66 (NEMA 4X) IP66 IP66 (NEMA 4X) vs IP66
MPPT voltage range 500-1500 V 480-1500 V 500-1500 V vs 480-1500 V
Dimensions 870x1165x361 mm 810x1120x368 mm 870x1165x361 mm vs 810x1120x368 mm
02

Full specification

Parameter SG350HX-US GW320K-UT Difference
AC output
Rated AC power 320.00 kW 320.00 kW Same
Max AC power 352.00 kW 352.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 800 V 800 V Same
Max AC current 254.0 A 254.0 A Same
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1500 V 1500 V Same
MPPT voltage range 500-1500 V 480-1500 V 500-1500 V vs 480-1500 V
Start voltage 550 V 500 V -50 V for GW320K-UT
MPP trackers 12 15 +3 trackers for GW320K-UT
Strings per tracker 2 2 Same
Max input current per tracker 40.0 A 40.0 A Same
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 99.0 % 99.0 % Same
CEC efficiency 98.5 % - Not published by GoodWe
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 122.0 kg 124.0 kg -2.0 kg for SG350HX-US
Weight per kW 0.4 kg/kW 0.4 kg/kW Same
Dimensions 870x1165x361 mm 810x1120x368 mm 870x1165x361 mm vs 810x1120x368 mm
Ingress protection IP66 (NEMA 4X) IP66 IP66 (NEMA 4X) vs IP66
Cooling forced-air forced-air Same
Noise - 70 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

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Sungrow SG350HX-US vs Growatt MAX 320K-X
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Sungrow SG350HX-US vs Sungrow SG320HX
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GoodWe
Sungrow SG350HX-US vs GoodWe GW320KH-UT
6 differences, the largest is mpp trackers
04

Written summary

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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.