Product

Synology / Delta 550W Hot-Swap Redundant PSU DPS-500AB-9C | NAS RackStation Server Power Supply (Hot Plug / Redundant)

2️⃣ 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

3️⃣ Technical Specifications

4️⃣ 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)

⚠️ Always verify the part number / model number on your existing PSU label before purchasing.

5️⃣ Package Contents

• 1× Synology / Delta 550W Hot-Swap Redundant PSU DPS-500AB-9C (New Original)

6️⃣ Warranty

• 90-day replacement warranty — hot-swap server PSU
• Covers manufacturing defects; physical damage and improper installation not included

7️⃣ 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.