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629142-B21 — Network Technical Data

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HPE · SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3). Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
629142-B21
SPECIFICATIONS
Part Number629142-B21
ManufacturerHPE
Interface10GbE
Capacity10GB
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 629142-B21 MFR HPE HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.
KEY FEATURES
•
10GbE Interface
•
10GB Capacity
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
634026-001Compatible
HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3)
compatible
629140-001Compatible
HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3)
compatible
684213-B21Compatible
HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3) FIO
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
629140-001SUBSTITUTE
HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3)
HPE
634026-001SUBSTITUTE
HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3)
HPE
684213-B21SUBSTITUTE
HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3)
HPE
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FREQUENTLY ASKED QUESTIONS
What is 629142-B21?
629142-B21 is a HP NIC 554FLR-SFP+ 10GbE 2-Port PCI-E-2.0x8 FlexFabric FlexibleLOM (Emulex BE3) manufactured by HPE.
What parts can replace 629142-B21?
There are 3 known substitutes for 629142-B21: 634026-001, 629140-001, 684213-B21. Substitute compatibility should be verified for your specific system.
Is 629142-B21 still available?
629142-B21 is currently Unknown.
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Last verified: September 2026