HP Aruba • SKU 845972-B21
HP Aruba 845972-B21 — HPE 100Gb QSFP28 Bidirectional (BiDi)
HPE 100Gb QSFP28 Bidirectional (BiDi) optical transceiver — 100GBASE-SR-BiDi, hot-pluggable QSFP28 form factor, duplex LC connector over OM3/OM4 multimode fiber, 100m short-reach, with DOM. Server/ProLiant-branded SKU.
- Stock image pending — request real-world photo
Download HP Aruba datasheet ↗ via HPE Aruba Networking transceiver guide (models, specifications, and compatibility) + HPE Store spec page; specs cross-checked against multiple distributors (CDW, Axiom/Vision Computers, Hardware Nation).
What is the HP Aruba 845972-B21?
HPE 100Gb QSFP28 Bidirectional (BiDi) optical transceiver — 100GBASE-SR-BiDi, hot-pluggable QSFP28 form factor, duplex LC connector over OM3/OM4 multimode fiber, 100m short-reach, with DOM. Server/ProLiant-branded SKU.
TFI supplies the 845972-B21 new and refurbished to South African businesses, each unit covered by warranty and optional SLA. As a B-BBEE Level 2 distributor we can quote stock, lead time and price — usually within the same business day.
Specifications
| data rate | 100 Gigabit Ethernet (100GBASE-SR-BiDi), 4x25G optical lanes |
|---|---|
| form factor | QSFP28, hot-pluggable |
| connector | Duplex LC |
| fiber type | Multimode (MMF), OM3 or better (OM1/OM2 not supported) |
| reach | 70 m on OM3 / 100 m on OM4 |
| wavelength | ~850/900 nm BiDi (Tx/Rx ~832–918 nm window) |
| dom | Digital Optical Monitoring (DDM/DOM) supported via I2C |
| operating temp | 0°C to 70°C (commercial) |
| eol status | Active — no End-of-Sale notice found; listed on HPE Store mid-2026 |
Frequently asked questions
- What is the HP Aruba 845972-B21?
- HPE 100Gb QSFP28 Bidirectional (BiDi) optical transceiver — 100GBASE-SR-BiDi, hot-pluggable QSFP28 form factor, duplex LC connector over OM3/OM4 multimode fiber, 100m short-reach, with DOM. Server/ProLiant-branded SKU.
- Do you supply the 845972-B21 new or refurbished?
- TFI supplies the HP Aruba 845972-B21 both new and professionally refurbished, each with warranty and SLA options. Tell us your preference when you request a quote.
- Can TFI deliver the 845972-B21 in South Africa?
- Yes. TFI is a South African distributor (B-BBEE Level 2) and ships the HP Aruba 845972-B21 nationwide. Send us the SKU and we come back with stock, lead time and price — usually the same business day.
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Verification sources (7)
- https://buy.hpe.com/us/en/options/transceivers/server-transceivers/server-transceivers/hpe-100gb-qsfp28-bidirectional-transceiver/p/845972-b21
- https://arubanetworking.hpe.com/techdocs/Switches/xcvrs/xcvr_guide/Content/Chp_qsfp28/qsf-lc-mod-spe.htm
- https://www.cdw.com/product/hpe-bidirectional-transceiver-qsfp28-transceiver-module-100gbe/5766827
- https://www.lttpartners.com/products/axiom-100gbase-sr-bidi-qsfp28-transceiver-for-hp-845972-b21
- https://www.visioncomputers.com/SEOProductDetail/Axiom-100GBase-SR-BiDi-QSFP28-/68732568/true/845972-B21-AX
- https://buy.hpe.com/us/en/options/transceiver-options/transceivers/networking-qsfp28-form-factor/hpe-networking-x150-100g-qsfp28-lc-bidi-100m-mm-transceiver/p/jq344a
- https://hardwarenation.com/product/hpe-x150-100g-qsfp28-lc-bidi-100m-mm-transceiver-jq344a/
Need pricing on 845972-B21?
Send us the SKU. We come back with stock, lead time and price — typically within the same business day.