Replacement for PS4040: Drop-In Alternatives We Stock
Looking for a replacement for the PS4040 (PS4040 - HP 350-Watts Hot Swap ATX Power Supply for ProLiant Storage Model F1 / F2 / U1 Rack Server)? Pro Disk Network ships HP drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the PS4040
| SKU | PS4040 |
|---|---|
| Product | PS4040 - HP 350-Watts Hot Swap ATX Power Supply for ProLiant Storage Model F1 / F2 / U1 Rack Server |
| Current price | $189.47 |
| Stock status | In Stock |
| Detail page | View PS4040 › |
Drop-in replacements for PS4040
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.
S11-350P1A - HP 350-Watts Non Hot Swap Power Supply for ProLiant DL320e Gen8 Server
SKU: S11-350P1A
Price: $392.99
776442-B21 - HP 350-Watts ATX Non Hot-Pluggable Power Supply for ProLiant ML110 Gen9 Server
SKU: 776442-B21
Price: $274.58
377580-001 - HP 350-Watts ATX Power Supply for Proliant ML310 G2 ML110 G2
SKU: 377580-001
Price: $184.21
382097-001 - HP 350-Watts ATX Power Supply for Proliant ML310 G2 ML110 G2
SKU: 382097-001
Price: $184.21
686761-001 - HP 350-Watts Micro-ATX Power Supply for Proliant ML310e Gen8
SKU: 686761-001
Price: $221.05
391977-001 - HP 350-Watts ATX Power Supply for Proliant ML110 G3 ML310 G3
SKU: 391977-001
Price: $268.42
56.04350.171 - HP 350-Watts 100-240V AC ATX Power Supply for ProLiant ML110 G3 Server
SKU: 56.04350.171
Price: $271.58
674794-B21 - HP 350-Watts Micro Atx Multi Output Fixed Power Supply for ProLiant ML310e Gen8 Server
SKU: 674794-B21
Price: $357.89
644744-001 - HP 350-Watts ATX Non-Hot-Pluggable Micro Power Supply For Optiplex 790 990L265Am-00
SKU: 644744-001
Price: $194.74
224207-001 - HP 350-Watts Hot-Pluggable Power Supply for ProLiant Storage
SKU: 224207-001
Price: $157.07
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.