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Technical Data Sheet
631673-B21 ✓ Verified by PartsTable
HP · IT_GENERAL · SUPPORT_EQUIPMENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The HP Smart Array P421 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise class, storage performance, maximum external scalability, and data protection for select HP ProLiant Gen8 rack and tower servers.<br> <br>It features eight external SAS ports and delivers increased server uptime by providing advanced storage functionality, including online RAID level migration (between any RAID levels) with flash back write cache, global online spare, and pre-failure warning. Data Compatibility among all models of Smart Array controllers allows simple and easy migration at any time when needs for higher performance, capacity, and availability increase. Even new generations of Smart Array controllers can understand the data format of previous generations of Smart Array controllers.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7035-01-619-4760, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
IT_GENERAL SUPPORT_EQUIPMENT 631673-B21
NSN: 7035-01-619-4760
FSC: 7035
CAGE: 1HQN9 — HP INC. DBA HP DIV HEWLETT PACKARD COMPANY (USA)
SPECIFICATIONS
GenerationGen8
PlatformHPE ProLiant DL380P
NSN7035-01-619-4760
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: HP GEN: Gen8 (INAVY) CONTROLLER, ARRAY; HP PROLIANT DL380P GENERATIO... TITLE COMPONENT PN 631673-B21 MFR HP (INAVY) CONTROLLER, AR
KEY FEATURES
Gen8 Generation
TYPICAL APPLICATIONS
  • Enterprise virtualization (VMware vSphere, Hyper-V)
  • Database hosting (SQL Server, Oracle, PostgreSQL)
  • Private cloud infrastructure (OpenStack, Azure Stack)
  • Email and collaboration platforms (Exchange, SharePoint)
  • High-availability clustering and failover
  • DevOps and CI/CD pipeline hosting
  • Remote desktop and VDI infrastructure
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAN/TYQ-163(V)
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY) CONTROLLER, ARRAY; HP PROLIANT DL380P GENERATION8 (GEN8)
SPECIAL FEATURESSETS NEXT GENERATION STANDARDS 2U 2-SOCKET RACK SERVER; USB CONNECTOR; SYSTEMS INSIGHT DISPLAY; 24 DIMM SLOTS: DDR3 REGISTERED (RDIMM), LOW REDUCED (LRDIMM), OR UNBUFFERED (UDIMM) MEMORY
END ITEM IDENTIFICATIONAN/TYQ-163(V)
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY) CONTROLLER, ARRAY; HP PROLIANT DL380P GENERATION8 (GEN8)
SPECIAL FEATURESSETS NEXT GENERATION STANDARDS 2U 2-SOCKET RACK SERVER; USB CONNECTOR; SYSTEMS INSIGHT DISPLAY; 24 DIMM SLOTS: DDR3 REGISTERED (RDIMM), LOW REDUCED (LRDIMM), OR UNBUFFERED (UDIMM) MEMORY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
633539-001Compatible
HP Smart Array P421/ZM 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
compatible
610671-001Compatible
HP Smart Array P421/ZM 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
compatible
610671-002Compatible
HP Smart Array P421/ZM 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
compatible
631674-B21Compatible
HP Smart Array P421 2Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
610671-001SUBSTITUTE
HP Smart Array P421 1Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
HPE
610671-002SUBSTITUTE
HP Smart Array P421 1Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
HPE
631674-B21SUBSTITUTE
HP Smart Array P421 1Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
HPE
633539-001SUBSTITUTE
HP Smart Array P421 1Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller
HPE
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COMPATIBLE SYSTEMS & CONTROLLERS 1
DL380PCOMPATIBLE
Gen8
FREQUENTLY ASKED QUESTIONS
What is 631673-B21?
631673-B21 is a (INAVY) CONTROLLER, ARRAY; HP PROLIANT DL380P GENERATION8 (GEN8) manufactured by HP. It is classified as a IT_GENERAL (SUPPORT_EQUIPMENT).
What systems is 631673-B21 compatible with?
631673-B21 is compatible with DL380P Gen8. Always verify compatibility with your specific configuration before ordering.
What parts can replace 631673-B21?
There are 4 known substitutes for 631673-B21: 633539-001, 610671-001, 610671-002 and 1 more. Substitute compatibility should be verified for your specific system.
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