HP Flexible Slot (Flex Slot) Power Supplies share a common electrical and physical design that allows for hot plug - tool-less installation into HP Proliant Gen10 Performance Servers. Flex Slot power supplies are certified for high-efficiency operation and offer multiple power output options - allowing users to right-size a power supply for specific server configurations. This flexibility helps to reduce power waste - lower overall energy costs - and avoid trapped power capacity in the data center.
Part#865434-B21 and Products ID490707 Purchased after January 01 2012 is covered by an Unconditional Lifetime Warranty for as long as you own your
server
Genuine HP 865434-B21
Security ID
490707
S/C: 224907071 PN: 865434-B21
This product will have a Genuine HPE security sticker. We do not sell 3rd party HPE products.
HP Proliant Gen 10 (G10) Series Servers
HP Proliant ML Series: ML30 (G10) ML350 (G10)
HP Proliant DL Series: DL160 (G10) DL180 (G10) DL325 (10)
HP Proliant DL Series: DL360 (G10) DL380 (G10) DL385 (G10)
HP Proliant Gen 10 Plus (G10+) Series Servers
HP Proliant DL Series: DL20 (G10+) DL325 (G10+) DL345 (G10+)
HP Proliant DL Series: DL360 (G10+) DL365 (G10+) DL380 (G10+) DL385 (G10+)
HP Proliant Gen 11 (G11) Series Servers
HP Proliant RL Series: RL300 (G11)
865434-B21 Flat Rate Shipping Options
We have 22 pieces of 865434-B21 in stock and ready to ship as of
Wednesday 3rd of June 2026
865434-B21
This product has a 30 Day return and a Lifetime replacement warranty.