Replacement for ESP127: Drop-In Alternatives We Stock
Looking for a replacement for the ESP127 (ESP127 - HP 500-Watts Redundant Power Supply for ProLiant ML350 G3)? 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 ESP127
| SKU | ESP127 |
|---|---|
| Product | ESP127 - HP 500-Watts Redundant Power Supply for ProLiant ML350 G3 |
| Current price | $235.79 |
| Stock status | In Stock |
| Detail page | View ESP127 › |
Drop-in replacements for ESP127
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.
813534-B21 - HP 800-Watts Redundant / 900-Watts Non-Redundant AC Power Supply Gold for ProLiant DL160 G9 / DL80 G9 / DL120 G9
SKU: 813534-B21
Price: $211.00
283655-B21 - HP 500-Watts Redundant Hot-Swappable Power Supply with Power Factor Correction for ProLiant ML350 G3
SKU: 283655-B21
Price: $160.00
283655-001 - HP 500-Watts Redundant Hot-Swappable Power Supply with Power Factor Correction for ProLiant ML350 G3
SKU: 283655-001
Price: $160.00
283655-291 - HP 500-Watts Redundant Hot-Swappable Power Supply with Power Factor Correction for ProLiant ML350 G3
SKU: 283655-291
Price: $172.62
283655-011 - HP 500-Watts Redundant Hot-Swappable Power Supply with Power Factor Correction for ProLiant ML350 G3
SKU: 283655-011
Price: $172.62
200588-B21 - HP 500-Watts Redundant Hot-Pluggable Power Supply with Power Factor Correction for Proliant ML570 G2 G3
SKU: 200588-B21
Price: $175.49
230993-001 - HP 500-Watts Redundant Hot-Swappable Power Factor Connection Power Supply for ProLiant ML570 G2 G3
SKU: 230993-001
Price: $187.37
225075-B21 - HP 500-Watts Redundant Hot-Pluggable Power Supply with Power Factor Correction for ProLiant ML370 G2 G3
SKU: 225075-B21
Price: $187.37
283655-021 - HP 500-Watts Redundant Hot-Swappable Power Supply with Power Factor Correction for ProLiant ML350 G3
SKU: 283655-021
Price: $189.47
265166-001 - HP 500-Watts Redundant Hot-Pluggable Power Supply with Power Factor Correction for Proliant ML350 G3
SKU: 265166-001
Price: $198.62
225075-021 - HP 500-Watts Redundant Hot-Pluggable Power Supply with Power Factor Correction for ProLiant ML370 G2 G3
SKU: 225075-021
Price: $211.00
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.