720482-B21: HPE 1400W Flex Slot Platinum Plus Hot Plug Power Supply
Also listed as: 754383-001, 866795-001, 733427-101, DPS-1400AB-4 A · made by Delta
The HPE 720482-B21 is a 1400W Flex Slot Platinum Plus hot-plug power supply engineered for high-density HPE ProLiant Gen9 servers. Built for multi-GPU compute nodes and quad-socket configurations, it delivers 1400W of clean DC power at 200-240V input with 94% efficiency to support demanding enterprise workloads.
Specifications
| Part number | 720482-B21 |
|---|---|
| Brand | HPE |
| Made by | Delta |
| Type | Power supplies |
| Other numbers | 754383-001, 866795-001, 733427-101, DPS-1400AB-4 A |
| Status | end of sale |
| Wattage | 1,400 |
| Efficiency | 80 PLUS Platinum (up to 94% efficiency at 200-240V) |
| Form factor | HPE Flexible Slot (Flex Slot) |
| Input voltage | 200V - 240V AC (high-line only for full 1400W output) |
| Hot pluggable | Yes |
| Redundancy | 1+1 redundant support |
About the 720482-B21
720482-B21 is the HPE 1400W Flex Slot Platinum Plus hot-plug power supply for power-demanding ProLiant Gen9 rack configurations. Engineered to support high-density 4-socket processors, multiple PCIe graphics accelerators, and heavy SAS storage configurations, it operates at 94% efficiency on high-line 200V-240V electrical infrastructure.
Compatibility
Compatible with all HPE ProLiant Gen9 servers supporting Flex Slot power supplies, including DL380 Gen9, DL360 Gen9, DL560 Gen9, DL580 Gen9, ML350 Gen9, Apollo 4200 Gen9, and SimpliVity 380 Gen9. Requires high-line 200V-240V AC electrical power feeds to deliver full 1400W output.
How to identify a genuine unit
Enclosed metal module featuring a dark gray handle with integrated blue release latch and high-line IEC C14 connector. Main sticker displays option part number 720482-B21, spare part number 754383-001 or 866795-001, and assembly part number 733427-101.
Buying used
Inspect edge connector blades for signs of arcing, pitting, or worn gold plating. Ensure that the cooling fan rotates freely without bearing friction. Verify in iLO 4 management that the module is recognized as a 1400W Platinum Plus unit operating within proper voltage parameters.
Reference prices (last 12 months, updated 2026-10-27)
Used: USD 35 (1 sighting, Oct 2026)
All sightings
| Seller | Condition | Price | Note | Seen |
|---|---|---|---|---|
| ebay.com | used | USD 35 | Tested working HPE 1400W Platinum Plus Flex Slot PSU | 2026-10-27 |
Prices seen on public listings on the dates shown, before tax and shipping. Not an offer.
Fits these models
- HPE ProLiant DL380 Gen9
- HPE ProLiant DL360 Gen9
- HPE ProLiant DL560 Gen9
- HPE ProLiant ML350 Gen9
- HPE Apollo 4200 Gen9
- HPE SimpliVity 380 Gen9
Check compatibility with HPE
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that HPE has tested with the HPE 720482-B21.
- Compatibility HPE SPOCK (storage, SAN and host compatibility)
- Part lookup HPE PartSurfer (spare and option part numbers)
- Support HPE Support Center
Equivalent part numbers
- Dell L1100E-S0 Dell 1100W EPP Hot Plug Power Supply
FAQ
Can the 1400W PSU operate on 110V/120V low-line AC?
No, the 1400W Flex Slot PSU is a high-line only power supply requiring 200V-240V AC input to deliver full rated wattage.
What servers commonly require 1400W power supplies?
ProLiant DL580 Gen9 (4-socket), DL380 Gen9 with dual PCIe GPUs, and Apollo 4200 storage servers frequently deploy 1400W units.
Buying or selling 720482-B21?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- HPE ProLiant DL380 Gen9 Server QuickSpecs - Core Options, checked 2026-10-27