Replacement for 656364-S21: Drop-In Alternatives We Stock
Looking for a replacement for the 656364-S21 (656364-S21 - HPE 1200-Watts Platinum Plus Power Supply)? 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 656364-S21
| SKU | 656364-S21 |
|---|---|
| Product | 656364-S21 - HPE 1200-Watts Platinum Plus Power Supply |
| Stock status | In Stock |
| Detail page | View 656364-S21 › |
Drop-in replacements for 656364-S21
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.
656364-B21 - HP 1200-Watts 100-240V AC Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply for ProLiant DL380P/DL385 Gen8
SKU: 656364-B21
Price: $128.42
593831-B21 - HP 750-Watts 100V-240V AC 80 Plus Platinum Common Slot Platinum Hot-Pluggable Power Supply for ProLiant DL360/DL380 SL170z G6
SKU: 593831-B21
Price: $138.95
660185-001 - HP 1200-Watts 100-240V AC Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply (RPS) for ProLiant DL380P/DL385 Gen8
SKU: 660185-001
Price: $128.42
643956-001 - HP 1200-Watts Common Slot Platinum Plus Hot-Pluggable Power Supply for ProLiant ML350 DL380 DL388P G8
SKU: 643956-001
Price: $128.42
643956-201 - HP 1200-Watts Common Slot Platinum Plus Redundant Hot-Pluggable Power Supply for Proliant DL380P DL385 Gen8
SKU: 643956-201
Price: $194.74
717360-B21 - HP 1200-Watts Common Slot Platinum Plus Hot-Pluggable Power Supply for ML350/ DL380/ DL388p G8
SKU: 717360-B21
Price: $231.93
748896-001 - HP 1200-Watts 100V-240V AC Common Slot Platinum Plus Hot-Pluggable Power Supply for G8
SKU: 748896-001
Price: $334.74
HSTNS-PD34 - HP 1200-Watts 277V AC Hot-Swappable Platinum Plus Power Supply for Proliant ML350 DL380 DL388P Gen8
SKU: HSTNS-PD34
Price: $344.33
754377-001 - HP 500-Watts 100-240V Flex Slot 80 Plus Platinum Hot-Pluggable Power Supply For HPE Proliant DL360 G9 DL380 G9 ML350 G9 GEN9 HYPER CONVERGED 380
SKU: 754377-001
Price: $168.42
P24681-B21 - HPE 3000-Watts 200-277V AC Platinum Power Supply for Xl290n Gen10 Plus
SKU: P24681-B21
Price: $170.53
865399-101 - HP 500-Watts 100-240V 80 Plus Platinum Power Supply Power Factor Correction
SKU: 865399-101
Price: $178.95
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.