PartsTable
Technical Data Sheet
Download PDF

631670B21 — HP Smart Array P420/1GB FBWC 6Gb 2-ports Int SAS Controller

✓ Government record, cited
HP · CONTROLLER · RAID_HBA
PRODUCT OVERVIEW

631670B21: HP Smart Array P420/1GB FBWC 6Gb 2-ports Int SAS Controller.

The HP Smart Array P420 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise class, storage performance and data protection for select HP ProLiant Gen8 rack and tower servers. It features eight internal 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 U.S. Government catalog under NSN 5998-01-613-1411, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
CONTROLLER→ RAID_HBA→ 631670B21
NSN: 5998-01-613-1411
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number631670B21
ManufacturerHP
Capacity1GB
NSN5998-01-613-1411
MORE FROM HPE
Popular HPE machine pages — browsing only, not a fit claim for 631670B21.
ProLiant DL360 Gen10 ProLiant DL380 Gen10 ProLiant BL460c Gen10 ProLiant DL380 Gen9 ProLiant DL360 Gen9 3PAR StoreServ 8450 ProLiant BL685c G7 3PAR StoreServ 8400 3PAR StoreServ 8440 3PAR StoreServ 8200 MSA 2052 SAN Storage ProLiant BL460c Gen9
All HPE machines and parts
COMPONENT DIAGRAM
RAID ASIC CACHE FBWC SAS 0 SAS 1 SAS 2 SAS 3 BATT EXT 0 EXT 1 PCIe x8 ~187 mm STORAGE CONTROLLER | RAID 0,1,5,6,10 | PCIe SAS/SATA | FBWC cache | Battery backup connector | TITLE RAID CTRL PN 631670B21 MFR HP HP Smart Array P420/1GB FBWC 6Gb 2-ports
KEY FEATURES
•
1GB Capacity
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
OTHER ITEMS IN FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5998-00-000-0087 5998-00-000-0089 5998-00-000-0154 5998-00-000-0173 5998-00-000-0175 5998-00-000-0177 5998-00-001-1267 5998-00-001-1271
SUBSTITUTES & CROSS-REFERENCES 3
633538001SubstituteBROKER-VERIFIED
HP Smart Array P420/1GB FBWC 6Gb 2-ports Int SAS Controller
substitute
610670-001CompatiblePARTNER
HP Smart Array P420/ZM 6G 2-Port Int PCI-E 3.0x8 SAS Controller
compatible
631671-B21CompatiblePARTNER
HP Smart Array P420 2Gb FBWC 6G 2-Port Int PCI-E 3.0x8 SAS Controller
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 3
610670-001SUBSTITUTE
HP Smart Array P420 1Gb FBWC 6G 2-Port Int PCI-E 3.0x8 SAS Controller
HPE
631671-B21SUBSTITUTE
HP Smart Array P420 1Gb FBWC 6G 2-Port Int PCI-E 3.0x8 SAS Controller
HPE
633538-001SUBSTITUTE
HP Smart Array P420 1Gb FBWC 6G 2-Port Int PCI-E 3.0x8 SAS Controller
HPE
Ready to buy 631670B21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 631670B21?
631670B21 is a HP Smart Array P420/1GB FBWC 6Gb 2-ports Int SAS Controller manufactured by HP. It is classified as a CONTROLLER (RAID_HBA).
What parts can replace 631670B21?
There are 3 known substitutes for 631670B21: 633538001, 610670-001, 631671-B21. Substitute compatibility should be verified for your specific system.
What is the NSN for 631670B21?
631670B21 is cataloged in the U.S. Government catalog under NSN 5998-01-613-1411. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 631670B21

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.