Alternative to DPS-280DB: Better-Value Equivalents in Stock
Comparing the DPS-280DB (DPS-280DB - Delta 280-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex GX520 740 745 755 Dimension C521 / 3100C) 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-280DB
| SKU | DPS-280DB |
|---|---|
| Product | DPS-280DB - Delta 280-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex GX520 740 745 755 Dimension C521 / 3100C |
| Current price | $211.00 |
| Stock status | In Stock |
| Detail page | View DPS-280DB › |
Alternatives to DPS-280DB
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-280DB A 280-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex GX520 740 745 755 Dimension C521 / 3100C
SKU: DPS-280DB-A
Price: $395.34
Delta DPS-300AB-26 A 300-Watts 100-120V / 200-240V ATX Power Supply for Inspiron 530 531 / Vostro 200 400
SKU: DPS-300AB-26-A
Price: $152.76
DPS-750LB - Delta 750-Watts 100-120V / 200-240V ATX Power Supply for XPS 630 630i
SKU: DPS-750LB
Price: $153.92
DPS-275CB-1 - Delta 275-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex 745, 755 SFF
SKU: DPS-275CB-1
Price: $155.39
DPS-670CBA - Delta 670-Watts 100-120V 200-240V Redundant Power Supply for PowerEdge 1950
SKU: DPS-670CBA
Price: $157.07
DPS-670CB - Delta 670-Watts 100-120V 200-240V Redundant Power Supply for PowerEdge 1950
SKU: DPS-670CB
Price: $157.07
Delta DPS-750LB A 750-Watts 100-120V / 200-240V ATX Power Supply for XPS 630 630i
SKU: DPS-750LB-A
Price: $207.79
DPS-275CB-1A - Delta 275-Watts 100-120V / 200-240V ATX Power Supply for OptiPlex 745, 755 SFF
SKU: DPS-275CB-1A
Price: $211.00
Delta DPS-500AB-3 A 500-Watts 100-120V 10A 200-240V 5A 47-63Hz Hot-Pluggable Power Supply For ProLiant Dl160 G8
SKU: DPS-500AB-3-A
Price: $305.05
Delta DPS-280FB B 280-Watts 200-240V ATX Power Supply for ThinkCentre A55 / A60 / M55e
SKU: DPS-280FB-B
Price: $176.84
DPS-280MB - Delta 280-Watts 100-240V Mini-ATX Power Supply for OptiPlex 980 XE
SKU: DPS-280MB
Price: $182.37
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.