P38997-B21 - HPE 1600W Flex Slot Platinum Hot Plug Low Halogen Power Supply Kit

Why buyers pick P38997-B21

• Big power in a small bay: Flex Slot design frees internal space and simplifies spares.

• Efficient = cooler racks: Platinum efficiency helps cut waste heat and power bills.

• Service without downtime: Hot-plug module—swap during maintenance windows without shutting down a dual-PSU server.

60-second spec box

Output / efficiency

• 1600 W max output • 80 PLUS Platinum (~94%) efficiency.

Input

• High-line AC 200–240 V, 50/60 Hz (design target for full 1600 W)

Form factor / serviceability

• Flexible Slot, hot-plug, low-halogen; tool-less insertion/removal.

Redundancy

• Supports 1+1 PSU redundancy (dual Flex Slot bays on supported servers)

Typical use

• ProLiant rack/tower servers with higher PoE/CPU/GPU or drive loads needing >1000 W headroom

Warranty

• HPE warranty (varies by region/SKU; many listings show 3-year coverage on the kit).

Compatibility (popular models)

Commonly listed for DL360/380/560/580 Gen10/Gen10+, DL325/345 Gen10+, ML110/ML350 Gen10, Apollo 4200, and others that accept Flex Slot PSUs. Always confirm against your server’s QuickSpecs.

Notes & accessories

• Cables/lug kit: HPE documents call out a dedicated cable & lug kit specifically for the 1600W Flex Slot PSU—use the correct kit when required by your chassis/power setup.

• Mains requirement: Full 1600 W output assumes 200–240 VAC input; plan accordingly on circuits/PDUs.

TL;DR

P38997-B21 is the 1600W, Platinum-efficient, hot-plug Flex Slot PSU for ProLiant Gen10/Gen10+—small bay, big power, easy redundancy, and lower waste heat for busier racks.