• HPE 844477-B21 3m 25Gb SFP28 black fiber optic cable with silver SFP28 connectors
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HPE

HPE 844477-B21 | 25Gb SFP28 to SFP28 Direct Attach Copper Cable, 3m

HPE 844477-B21 | 25Gb SFP28 to SFP28 Direct Attach Copper Cable, 3m

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844477-B21

Stock Status: Enquire

$125.23 inc. GST
$113.85 ex. GST
Sale Stock Status: Enquire
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Description

The HPE 25Gb SFP28 to SFP28 3m Direct Attach Copper Cable is a passive twinax DAC that provides a 25GbE link between SFP28 ports over short distances. It suits top-of-rack connections between servers, network adapters and switches, and costs less than pairing separate optical transceivers with fibre.

This 3 metre (9.8ft) cable terminates in SFP28 connectors on both ends for a simple 1:1 connection. It is designed for use with HPE ProLiant servers, 25GbE adapters and Aruba 6300/6400 series switches, making it a practical choice for data centre and server room cabling.

Features

- Passive copper DAC for short-reach 25GbE links
- Suited to top-of-rack server-to-switch connections
- Lower cost than separate optical transceivers plus fibre

Warranty

Hewlett Packard Enterprise (HPE) offers a standard limited hardware warranty on its products, with coverage periods varying by product line. For instance, HPE ProLiant servers typically come with a 1 to 3-year limited warranty, while other products may have different durations.
Extended Warranty Options via IP Trading:
IP Trading offers tailored extended warranty solutions and support packages for HPE products, ensuring your IT infrastructure remains protected beyond the standard warranty period. Contact our team to explore options that align with your organisation's needs.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- 25Gb/s data rate
- SFP28 to SFP28 connectors
- 3m (9.8ft) cable length
- Direct Attach Copper (twinax) cable
- 1:1 connection
- Compatible with HPE ProLiant servers, 25GbE adapters and Aruba 6300/6400 series switches

FAQs

Q: What connectors does the HPE 844477-B21 use?
A: It has SFP28 connectors on both ends, so it connects SFP28 port to SFP28 port in a 1:1 link.

Q: What speed does this cable support?
A: It supports a 25Gb/s data rate for 25GbE connections.

Q: How long is this cable?
A: This version is 3 metres (9.8ft) long, suited to short-reach connections such as within a rack or to an adjacent rack.

Q: Is this a fibre optic cable?
A: No. It is a passive Direct Attach Copper (twinax) cable with the connectors built in, so no separate transceivers are needed.

Q: What equipment is it compatible with?
A: It is designed for HPE ProLiant servers, 25GbE adapters and Aruba 6300/6400 series switches with SFP28 ports.

Q: When should I choose a DAC instead of optical transceivers?
A: A DAC is a cost-effective option for short links such as top-of-rack server-to-switch connections. Longer distances need optical transceivers with fibre.

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