Alternative to DPS-550LB-1B: Better-Value Equivalents in Stock
Comparing the DPS-550LB-1B (DPS-550LB-1B - Delta 550-Watts 100-127V / 200-240V Reverse Airflow In Power Supply for S4048T-ON) against alternatives? Pro Disk Network stocks 12 similar 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 DPS-550LB-1B
| SKU | DPS-550LB-1B |
|---|---|
| Product | DPS-550LB-1B - Delta 550-Watts 100-127V / 200-240V Reverse Airflow In Power Supply for S4048T-ON |
| Current price | $124.21 |
| Stock status | In Stock |
| Detail page | View DPS-550LB-1B › |
Alternatives to DPS-550LB-1B
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.
Delta DPS-350VB-1 A 350-Watts 100-127V 200-240V ATX Power Supply for Inspiron 530 531 / Vostro 200 400 / Studio 540
SKU: DPS-350VB-1-A
Price: $132.79
Delta DPS-350XB-3 A 350-Watts 100-127V / 200-240V ATX Power Supply for Inspiron 530 531 Vostro 200 400 Studio 540
SKU: DPS-350XB-3-A
Price: $133.58
Delta DPS-250AB-73 A 250-Watts 100-127V / 200-240V Power Supply for Vostro 200 / Inspiron 530s 620s / OptiPlex 390 790 990
SKU: DPS-250AB-73-A
Price: $165.79
DPS-250AB-73 - Delta 250-Watts 100-127V / 200-240V Power Supply for Vostro 200 / Inspiron 530s 620s / OptiPlex 390 790 990
SKU: DPS-250AB-73
Price: $189.47
DPS-200PB-146B - Delta 200-Watts 100-127V / 200-240V ATX Power Supply for PowerEdge N0836 OptiPlex 2400
SKU: DPS-200PB-146B
Price: $369.84
DPS-300AB-47 - Delta 300-Watts 100-127V / 200-240V ATX Power Supply for Inspiron 620 660 / Vostro 260 270
SKU: DPS-300AB-47
Price: $117.89
DPS-220AB-9A - Delta 220-Watts 100-127V / 200-240V Power Supply for Inspiron 660S
SKU: DPS-220AB-9A
Price: $118.01
DPS-450HB - Delta 450-Watts 100-127V / 200-240V Power Supply for PowerEdge SC1425 1600 1600SC
SKU: DPS-450HB
Price: $128.95
DPS-300AB-65 - Delta 300-Watts 100-127V / 200-240V ATX Power Supply for Inspiron 620
SKU: DPS-300AB-65
Price: $141.70
Delta DPS-1570DB A 1570-Watts 100-127V / 200-240V Redundant Power Supply for PowerEdge R900
SKU: DPS-1570DB-A
Price: $157.07
Delta DPS-300AB-65 A 300-Watts 100-127V / 200-240V ATX Power Supply for Inspiron 620
SKU: DPS-300AB-65-A
Price: $165.79
Delta/EMC DPS-500LB A 500-Watts 100-127V / 200-240V Power Supply for DD140 DD610 DD630
SKU: DPS-500LB-A
Price: $186.32
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.