Part Number(s)
Option Part# 399889-L22
Option Part# 399889-B21
HP Processor Kits:
Manufacturer Part# 399889-B21
This is the full processor option kit. It includes the
Processor(s), Heat-Sink(s), Fan(s), Thermal paste
Part#399889-B21 and Products ID1141899 Purchased after January 01 2012 is covered by an Unconditional Lifetime Warranty for as long as you own your
server
Genuine HP 399889-B21
Security ID
1141899
S/C: 5811418991 PN: 399889-B21
This product will have a Genuine HPE security sticker. We do not sell 3rd party HPE products.
Genuine Hewlett-Packard 399889-B21
This product is a Genuine HP Certified Processor Kit
399889-B21 Compatible Servers and Storage Arrays:
DL580 G3 ML570 G3
399889-B21 Flat Rate Shipping Options
We have 58 pieces of 399889-B21 in stock and ready to ship as of
Friday 5th of June 2026
399889-B21
This product has a 30 Day return and a Lifetime replacement warranty.