Supermicro
Supermicro PWS-981-1S 980W single server power supply
Delivers 980W of single-server power with +12V@81A and +5VSB@4A output in a 13.58" backplane form factor
- TypeOthers
- Single/RedundantSingle
- Maximum Power980W
- Output Current+12V@81A, +5VSB@4A
- FeaturesBackplane
- Dimensions13.58" x 2.99" x 1.58"
- 980W single output powers dense server builds
- +12V rail delivers 81A for high-current CPUs and GPUs
- 5V standby rail supplies 4A for management controllers
- Backplane feature enables direct chassis integration
- Compact 13.58" x 2.99" x 1.58" form factor fits 1U and 2U racks
Purpose and fit
The Supermicro PWS-981-1S is a 980W single server power supply built for rackmount chassis that accept a backplane form factor. It delivers +12V at 81A and +5VSB at 4A for compute nodes that rely on a single high-output unit rather than a redundant pair.
Thermals and acoustics
The unit uses internal forced-air cooling matched to its backplane layout; airflow direction follows the chassis design rather than a standalone fan curve. Under typical server loads the supply runs within its thermal envelope without external acoustic data published.
Sustained load behaviour
At continuous 980W output the +12V rail maintains 81A while the +5VSB rail holds 4A for management controllers. The single-module design means no failover capacity; thermal protection will throttle or shut down if chassis airflow is insufficient for prolonged periods.
Βασικά χαρακτηριστικά
- 980W single output powers dense server builds
- +12V rail delivers 81A for high-current CPUs and GPUs
- 5V standby rail supplies 4A for management controllers
- Backplane feature enables direct chassis integration
- Compact 13.58" x 2.99" x 1.58" form factor fits 1U and 2U racks
Προδιαγραφές
| Brand | SuperMicro |
|---|---|
| Model | PWS-981-1S |
| Type | Others |
| Single/Redundant | Single |
| Maximum Power | 980W |
| Output Current | +12V@81A, +5VSB@4A |
| Features | Backplane |
| Dimensions | 13.58" x 2.99" x 1.58" |
| Βάρος αποστολής | 2.27 kg |
| Διαστάσεις συσκευασίας | 345 × 76 × 40 mm |
Ερωτήσεις για αυτό το προϊόν
How do I install the PWS-981-1S into a server backplane and which orientation mistake should I avoid?
Slide the unit into the chassis until the backplane connector seats firmly; the 13.58" depth means it only fits one way, so align the latch before pushing.
Which component of the PWS-981-1S will need replacement first and how can I tell?
The internal cooling fan typically wears out first; listen for rising noise or watch for temperature alerts on the +12V rail.
What limit appears first when the PWS-981-1S runs at full load for long periods?
The +12V rail hits its 81A ceiling at 980W, so sustained draws near that level trigger thermal throttling before any other limit.
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