Name: CIRCUIT CARD ASSEMBLY
Brand: HP
SKU: 631674-B21

631674-B21 ✓ Verified by PartsTable

HP · CABLE ASSEMBLY

WHAT YOU NEED TO KNOW

SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter

Verify connector type on BOTH ends — many SAS cables are asymmetric

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 5998-01-633-9419, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS

631674-B21

NSN: 5998-01-633-9419
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)

SPECIFICATIONS

overall_width	2.200 INCHES NOMINAL IN
overall_height	9.500 INCHES NOMINAL IN
overall_length	7.500 INCHES NOMINAL IN
special_features	SMART ARRAY P421/2GB GB
end_item_identification	SERVER
part_name_assigned_by_controlling_agency	SAS CONTROLLER
NSN	5998-01-633-9419

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS (FLIS)

END ITEM IDENTIFICATION	SERVER
OVERALL LENGTH	7.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	SAS CONTROLLER
OVERALL HEIGHT	9.500 INCHES NOMINAL IN
OVERALL WIDTH	2.200 INCHES NOMINAL IN
SPECIAL FEATURES	SMART ARRAY P421/2GB GB
END ITEM IDENTIFICATION	SERVER
OVERALL LENGTH	7.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	SAS CONTROLLER
OVERALL HEIGHT	9.500 INCHES NOMINAL IN

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

631673-B21Compatible

HP Smart Array P421 1Gb 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 2Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller

HPE

610671-002SUBSTITUTE

HP Smart Array P421 2Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller

HPE

631673-B21SUBSTITUTE

HP Smart Array P421 2Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller

HPE

633539-001SUBSTITUTE

HP Smart Array P421 2Gb FBWC 6G 2-Port Ext PCI-E 3.0x8 SAS Controller

HPE

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FREQUENTLY ASKED QUESTIONS

What is 631674-B21?

631674-B21 is a CIRCUIT CARD ASSEMBLY manufactured by HP.

What parts can replace 631674-B21?

There are 4 known substitutes for 631674-B21: 633539-001, 610671-001, 610671-002 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 631674-B21?

631674-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-633-9419. This indicates validated use in U.S. government and defense supply chains.

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