Description
The HP DPS-460MB A, part number 643954-101, is a 460W Common Slot (CS) Platinum Plus hot-plug switching power supply designed for HP ProLiant enterprise servers.
The unit is also identified by HP numbers 643931-001 and 660184-001, with HSTNS-PD28 used as the regulatory/model designation. These numbers refer to the same 460W server power-supply family. HP-compatible parts documentation identifies 660184-001 as the 460W Common Slot Platinum Plus hot-plug power supply, while 643931-001 is the HPE Generic Part Number and 643954-101 the assembly number.
The PSU accepts 100–240V AC input and provides up to 460W of output power, with approximately 94% efficiency. Its Common Slot hot-plug design allows replacement without shutting down the server when installed as part of a supported redundant power configuration.
It is used across several HP ProLiant Gen8 server platforms, including the DL320e, DL360e, DL360p, DL380e, DL380p, DL385p, ML350e and ML350p.
Key Features
- HP Common Slot (CS) server power supply
- 460W output capacity
- Platinum Plus efficiency
- Approximately 94% efficiency
- Hot-plug / hot-swappable design
- Redundant power configuration support
- Universal 100–240V AC input
- 50–60Hz operating frequency
- +12V DC main output
- Integrated cooling fan
- Tool-less Common Slot installation
- Designed for HP ProLiant enterprise servers
- Suitable for data-center and high-availability environments
Technical Specs
Manufacturer: HP / Hewlett-Packard
Power Supply Model: DPS-460MB A
Regulatory Model: HSTNS-PD28
Assembly Part Number: 643954-101
Generic Part Number (GPN): 643931-001
Spare Part Number (SPN): 660184-001
Option Kit Number: 656362-B21
Product Type: Common Slot Hot-Plug Switching Power Supply
Power Output: 460W
Efficiency: Approximately 94%
Input Voltage: 100–240V AC
Input Frequency: 47–63Hz
Typical Operating Frequency: 50/60Hz
Power Factor: 0.998
Maximum Inrush Current: 30A peak
Main Output: +12V DC
+12V Output: Approximately 38.3A
Form Factor: HP Common Slot
Installation: Hot-plug / plug-in module
Application: HP ProLiant enterprise servers
Compatible Platforms: DL320e Gen8, DL360e Gen8, DL360p Gen8, DL380e Gen8, DL380p Gen8, DL385p Gen8, ML350e Gen8 and ML350p Gen8