HPE 849442-001 Compatible 25GBASE-SR SFP28 Transceiver (Spare Part)
HP compatible 849442-001 - Key Features
- Compatibility: HP
- Media Type: Multi-Mode Fiber (MMF) -OM3/OM4/OM5
- Fiber Count: Duplex
- Connector: Double LC/UPC
- Maximum Distance: 100 m
- Average Link Budget: 5.3 dB
- Tx Wavelength: 850 nm
- Supported Data Rate: 8.5 Gbps - 25.78 Gbps
- DDM/DOM: Supported
- Forward Error Correction (FEC): Host FEC Supported
- Temperature Range: Standard 0°-70°C
HP 849442-001 Price
In Stock - Ships Next Business DayHP compatible 849442-001 Specifications
Form Factor | SFP28 |
Media Type | Multi-Mode Fiber (MMF) -OM3/OM4/OM5 |
Fiber Count | Duplex |
Connector | Double LC/UPC |
Maximum Distance | 100 m |
Average Link Budget | 5.3 dB |
TX Wavelength | 850 nm |
RX Wavelength | 850 nm |
Supported Data Rate | 8.5 Gbps - 25.78 Gbps |
Supported Ethernet Applications | 10G Ethernet (10.31Gbps), 25G Ethernet (25.78Gbps) |
DDM/DOM | Supported |
Forward Error Correction (FEC) | Host FEC Supported |
Transmitter Type | VSCEL Laser |
Average Launch Power (Min) Each Lane | -5 dBm |
Average Launch Power (Max) Each Lane | 2.4 dBm |
Extinction Ratio (Min) | 3 dB |
Receiver Type | PIN photodiode |
Rx Wavelength Bandwidth | 20 nm |
Average Receiver Sensitivity (Min) Each Lane | -10.3 dBm |
Average Receiver Sensitivity (Max) Each Lane | 2.4 dBm |
Receiver Overload | 2.4 dBm |
Temperature Range | Standard 0°-70°C |
Storage Temperature | -40° to 85°C |
Relative Humidity | 5 to 85% |
Power Consumption (Max) | 0.3 W |
Power | +3.3V single power supply |
Compliance | SFF-8432, CE, Class 1 FDA and IEC60825-1 Laser Safety Compliant, RoHS, SFF-8431, SFF-8472, SFP28 MSA |
HP compatible 849442-001 Datasheet
v3Complete technical specifications and product details
HP compatible 849442-001 Description
EdgeOptic's 849442-001 compatible is an HPE-coded 25GBASE-SR SFP28 transceiver engineered for HPE ProLiant server SFP28 adapters and HPE/Aruba switches with native 25G SFP28 ports. 849442-001 is HPE's spare part ordering code, used by HPE field service and spare-parts fulfillment for the same physical module that HPE sells as the 845398-B21 option kit. The alternate internal reference 845397-001 appears in some HPE parts listings and refers to the same module.
Optical specs: 850 nm VCSEL transmitter, PIN photodiode receiver, TX power -8.4 to +2.4 dBm, RX sensitivity better than -10.3 dBm, 5.3 dB link budget. Reach is 100 m on OM4, 100 m on OM5, and 70 m on OM3 multimode fiber with an LC/UPC duplex connector. The module is IEEE 802.3by Clause 112 compliant and runs RS-FEC per Clause 91 (RS(528,514)) as defined for 25GBASE-SR. Electrical interface follows SFF-8431 and SFF-8432, and DDM is SFF-8472 compliant. Power dissipation is 0.3 W across 0 to 70 C.
When to order 849442-001 versus 845398-B21 is the most common procurement question for this module. HPE uses 845398-B21 for the option kit SKU that ships when a new ProLiant system is configured with 25G SFP28 ports, and reserves 849442-001 for the spare part ordering code used by HPE Services and field replacement. Both numbers resolve to the same physical transceiver. Spare-parts teams and warranty replacement orders typically pull 849442-001; sales and new-system configurators use 845398-B21.
Platform scope covers HPE Ethernet 10/25Gb 640FLR-SFP28, 640SFP28, 631FLR-SFP28, and 631SFP28 adapter cards installed in HPE ProLiant DL360, DL380, DL560, and DL580 Gen10 and Gen11 servers, BL series blades with the appropriate mezzanine adapter, and ProLiant Gen9 chassis with the supported 25G SFP28 adapter. The same module also qualifies for Aruba CX 25G SFP28 ports on uplink roles. EdgeOptic programs the 849442-001 compatible with HPE-recognized EEPROM so HPE iLO, ilorest, and iLO Amplifier Pack inventory register the module against the expected HPE part identity without raising unsupported-transceiver events on the System Health log.
Spare-parts cycles for HPE ProLiant deployments typically move through the 849442-001 code in larger batches than the option-kit channel. For matched-lot spare inventory or for HPE Services replacement stock planning, contact our sales team.
Frequently Asked Questions
Is HPE 849442-001 the same physical module as 845398-B21?
Yes. 849442-001 is HPE's spare part ordering code and 845398-B21 is the option kit ordering code for the same 25Gb SFP28 SR 100m transceiver. The two numbers identify the same HPE part routed through different order channels: 849442-001 for spares and field replacement, 845398-B21 for option kit configuration on new systems. A third reference, 845397-001, appears as an internal HPE parts code for the same module.
When should I order 849442-001 versus 845398-B21?
HPE Services, spare-parts teams, and warranty replacement orders use 849442-001. New-system configuration and option-kit orders use 845398-B21. The physical transceiver shipped is identical. HPE customers with an active support contract typically see 849442-001 on RMA and spare quotes, while integrators and resellers configuring a fresh ProLiant Gen10 or Gen11 system see 845398-B21 on the bill of materials.
Which HPE ProLiant generations can use the 849442-001 in field replacement?
The 849442-001 is supplied against 25G SFP28 adapters on HPE ProLiant Gen9, Gen10, Gen10 Plus, and Gen11 servers. The adapter family includes the 640FLR-SFP28, 640SFP28, 631FLR-SFP28, and 631SFP28 cards. BL-series blades use the same module through the appropriate SFP28 mezzanine adapter. Aruba CX switches with 25G SFP28 uplinks are also within scope for the same field-replacement module.
Will the 849442-001 compatible raise an unsupported-transceiver event in iLO?
No. EdgeOptic's 849442-001 compatible is programmed with HPE-coded EEPROM so iLO and ilorest inventory register the module as a recognized HPE 25Gb SFP28 SR part. ProLiant Gen10 and Gen11 iLO firmware will not post an unsupported-transceiver event for this module during POST or adapter firmware validation.