Dell 685W Workstation PSU CYP9P W4DTF Precision T5810 T7810 (Hot-Swap) - Power Supply

Dell 685W Workstation Power Supply CYP9P / W4DTF | Precision T5810 / T7810 (Hot-Swap / Redundant)

New original Dell 685W hot-swap workstation power supply for Precision T5810 and T7810
Dell part numbers: CYP9P / W4DTF — same physical unit, interchangeable DPN
PSU model numbers: D685EF-01 / H685EF-00
Hot-plug / hot-swap capable — PSU can be replaced without shutting down the workstation
Supports redundant dual-PSU configuration in T5810 / T7810 chassis
685W 80 Plus Gold output for standard workstation workloads
Wide input range: 100–240V AC, 50–60Hz — compatible with MY/SG 240V supply
Built-in OVP / OCP / SCP protection

Brand	Dell
Condition	New Original (Genuine Dell)
Dell PN	CYP9P / W4DTF
PSU Model	D685EF-01 / H685EF-00
Wattage	685W MAX (80 Plus Gold)
Input Voltage	100–240V AC, 50–60Hz
Output	685W MAX continuous output
Form Factor	Dell Precision Workstation MT — Hot-Swap
Connector Type	Workstation Hot-Swap Backplane Connector
Hot Plug	Yes — Hot-Swap / Hot-Plug Supported
Redundancy	N+1 Redundant PSU Support
Protection	OVP / OCP / SCP

Dell Precision Workstation Series:

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

1× Dell 685W Workstation PSU CYP9P W4DTF Precision T5810 T7810 (New Original or identical DPN)

3-month replacement warranty
Covers manufacturing defects; physical damage and improper installation not included

Hot-swap — PSU can be replaced while workstation is running (when redundant PSU is active).
Can be upgraded to 825W (FT7T6) within the same T5810 / T7810 chassis.
Verify Dell DP/N on existing PSU label matches CYP9P or W4DTF before ordering.
New original unit — genuine factory Dell unit, not refurbished or aftermarket.