Description
Synology / Delta 550W Hot-Swap Redundant PSU DPS-500AB-9C | NAS RackStation Server Power Supply (Hot Plug / Redundant)
Key Features
- Delta Electronics / Synology OEM 550W hot-swap redundant power supply module
- Part model: DPS-500AB-9C — genuine Delta OEM hot-swap PSU for Synology RackStation NAS
- Hot-plug / hot-swap capable — PSU can be replaced without shutting down the NAS server
- Redundant power supply design — supports N+1 or dual-PSU RackStation configurations for high availability
- Stable 500W–550W output for demanding multi-bay NAS workloads with full drive bays
- Built-in overload, over-voltage, and short-circuit protection (OVP / OCP / SCP)
- Compact 1U server PSU hot-swap module with backplane connector
- Designed exclusively for Synology RackStation enterprise NAS — not compatible with standard desktop chassis
Technical Specifications
| Brand | Delta Electronics (Synology OEM) |
| Condition | New Original |
| Model Number | DPS-500AB-9C |
| Wattage | 500W–550W MAX |
| Input Voltage | 100–240V AC, 50–60Hz |
| Output | 500W–550W MAX continuous hot-swap output |
| Form Factor | Hot-Swap Server PSU Module (1U) |
| Connector Type | NAS Backplane Hot-Plug Connector |
| Hot Plug | Yes — Hot-Swap / Hot-Plug Supported |
| Redundancy | N+1 Redundant PSU Support |
| Protection | OVP / OCP / SCP |
Compatible Models
Synology RackStation NAS (Hot-Swap PSU Bay):
- Synology RS2416RP+
- Synology RS3617RPxs / RS3617xs+
- Synology RS2418RP+ / RS2818RP+
- Synology RS18016xs+ / RS18017xs+
- Synology FS2017 (FlashStation)
- Synology RX1217 / RX1217RP (Expansion Unit)
- Synology RXD1215sas / RX2417sas / RX1217sas / RX1216sas (Expansion Units)
- QNAP (Check compatibility via model spec sheet)
!
Disclaimer
Always verify the part number / model number on your existing PSU label before purchasing.
If you are unsure which model is suitable, chat with the NJ Bravo team before ordering. We will help you check the part number, connector, and compatibility.
Package Contents
- 1× Synology / Delta 550W Hot-Swap Redundant PSU DPS-500AB-9C (New Original)
Warranty
- 90-day replacement warranty — hot-swap server PSU
- Covers manufacturing defects; physical damage and improper installation not included
Additional Notes
- Hot-swap server PSU module — can be removed and replaced while NAS is powered on (when redundant PSU is active).
- For best practice: always use SAME PSU module models together in redundant configuration (DPS-500AB-9 + DPS-500AB-9, not mixed with DPS-550AB series).
- Not compatible with desktop or workstation chassis — Synology RackStation NAS use only.
- Always verify exact RackStation model compatibility against Delta PSU PN DPS-500AB-9C before ordering.




