Alternative to PWS-451-1R: Better-Value Equivalents in Stock
Comparing the PWS-451-1R (PWS-451-1R - Supermicro 450-Watts 1U Redundant Power Supply Module with PFC and Backplane) against alternatives? Pro Disk Network stocks 12 similar Supermicro parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the PWS-451-1R
| SKU | PWS-451-1R |
|---|---|
| Product | PWS-451-1R - Supermicro 450-Watts 1U Redundant Power Supply Module with PFC and Backplane |
| Current price | $145.26 |
| Stock status | In Stock |
| Detail page | View PWS-451-1R › |
Alternatives to PWS-451-1R
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
PWS-1K30D-1R - Supermicro 1300-Watts DC Single Output Power Supply for PWS-1K22A-1R, PWS-751P-1R
SKU: PWS-1K30D-1R
Price: $596.61
PWS-704P-1R - Supermicro 700-Watts 1U Redundant Power Supply PWS Module, with PMBus
SKU: PWS-704P-1R
Price: $78.95
PWS-2K53-BR - Supermicro 2500-Watts Redundant Power Supply for Supermicro SUPERBLADE ENCLOSURE
SKU: PWS-2K53-BR
Price: $1,794.95
PWS-3K01-BR - Supermicro 3000-Watts Redundant Power Supply for Supermicro SuperBlade SBE-710E-R60
SKU: PWS-3K01-BR
Price: $1,899.58
PWS-981-1S - Supermicro 980-Watts 1U Redundant Single Power Supply with PFC and Backplane
SKU: PWS-981-1S
Price: $84.21
PWS-1K21P-1R - Supermicro 1200-Watts High-Efficiency (1+1) Redundant Power Supply with PMBus
SKU: PWS-1K21P-1R
Price: $94.74
PWS-2K22A-1R - Supermicro 2200-Watts Redundant 80-Plus Titanium Power Supply
SKU: PWS-2K22A-1R
Price: $107.37
PWS-501P-1R - SuperMicro 500-Watts 24-Pin 1U Platinum Redundant Power Supply
SKU: PWS-501P-1R
Price: $126.32
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.