HPE BladeSystem c-Class 40G QSFP+ Active Optical Cables: технические характеристики и документация

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HPE BladeSystem c-Class 40G QSFP+ Active Optical Cables: технические характеристики и документация

HPE BladeSystem c-Class 40G QSFP+ Active Optical Cables

Overview

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HPE BladeSystem c-Class 40G QSFP+ Active Optical Cables QuickSpecs

High-performance Active Optical Cables designed to deliver reliable 40Gb connectivity within HPE BladeSystem c-Class environments.

These cables provide flexible, high-speed QSFP+ to QSFP+ or QSFP+ to 4x10G SFP+ connectivity options optimized for BladeSystem interconnects. They support efficient signal transmission over longer distances, ensuring consistent bandwidth and simplified data center integration.

Platform Information

Models
HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 15m Active Optical Cable	720211-B21
HPE BladeSystem c-Class QSFP+ to 4x10G SFP+ 15m Active Optical Cable	721076-B21

Service and Support

For the most up-to-date information on HPE Services, please refer to the HPE Services - Supplemental QuickSpecs, which provides a comprehensive and regularly updated overview of available services.

Technical Specifications

HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 7m Active Optical Cable

(720205-B21)

Connectivity	Length	22.97 ft. (7 m)
Physical characteristics	Weight	0.33 lb. (0.15 kg), Fully loaded the cable with a QSFP+ transceiver at each end of the cable
Environment	Operating temperature	32°F to 158°F (0°C to 70°C)
	Operating relative humidity	0% to 85%, noncondensing
	Non-operating/Storage temperature	−40°F to 185°F (−40°C to 85°C)
	Non-operating/Storage relative humidity	0% to 85%, noncondensing
	Altitude	Up to 10,000 ft. (3 km)
Electrical characteristics	Notes	1.5 watts maximum per transceiver end
Notes	Electrical Properties Cable Characteristic Impedance: Non-conductive Crosstalk between pairs: 26 dB max Time delay: 1.57 nsec/ft o BER: 10-15 max Physical Properties Cable Diameter: 3 mm Minimum Cable Bend Radius: 25 mm

HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 15m Active Optical Cable

(720211-B21)

Connectivity	Length	49.21 ft. (15 m)
Physical characteristics	Weight	0.57 lb., Fully loaded the cable with a QSFP+ transceiver at each end of the cable
Environment	Operating temperature	32°F to 158°F (0°C to 70°C)
	Operating relative humidity	0% to 85%, noncondensing
	Non-operating/Storage temperature	−40°F to 185°F (−40°C to 85°C)
	Non-operating/Storage relative humidity	0% to 85%, noncondensing
	Altitude	Up to 10,000 ft. (3 km)
Electrical characteristics	Notes	1.5 watts maximum per transceiver end
Notes	Electrical Properties Cable Characteristic Impedance: Non-conductive Crosstalk between pairs: 26 dB max Time delay: 1.57 nsec/ft o BER: 10-15 max Physical Properties Cable Diameter: 3 mm Minimum Cable Bend Radius: 25 mm

HPE BladeSystem c-Class QSFP+ to 4x10G SFP+ 7m Active Optical Cable

(721070-B21)

Connectivity	Length	22.97 ft. (7 m)
Physical characteristics	Weight	0.56 lb. (0.25 kg), Fully loaded the cable with a QSFP+ transceiver at one end and 4 SFP+ transceivers at the other end of the cable
Environment	Operating temperature	32°F to 158°F (0°C to 70°C)
	Operating relative humidity	5% to 85%, noncondensing
	Non-operating/Storage temperature	−40°F to 185°F (−40°C to 85°C)
	Non-operating/Storage relative humidity	5% to 85%, noncondensing
	Altitude	Up to 10,000 ft. (3 km)
Electrical characteristics	Notes	1.5 Watts maximum QSFP+ cable end 0.35 Watts maximum SFP+ Cable end (each)
Notes	Electrical Properties Cable Characteristic Impedance: Non-conductive Crosstalk between pairs: 26 dB max Time delay: 1.475 nsec/ft BER: 10E-15 max Physical Properties QSFP+ Cable Diameter: 3.4 mm SFP+ Cable Diameter: 3 mm QSFP+ Minimum Cable Bend Radius: 25 mm SFP+ Minimum Cable Bend Radius: 30 mm

HPE BladeSystem c-Class QSFP+ to 4x10G SFP+ 15m Active Optical Cable

(721076-B21)

Connectivity	Length	49.21 ft. (15 m)
Physical characteristics	Weight	0.74 lb. (0.34 kg), Fully loaded the cable with a QSFP+ transceiver at one end and 4 SFP+ transceivers at the other end of the cable
Environment	Operating temperature	32°F to 158°F (0°C to 70°C)
	Operating relative humidity	5% to 85%, noncondensing
	Non-operating/Storage temperature	−40°F to 185°F (−40°C to 85°C)
	Non-operating/Storage relative humidity	5% to 85%, noncondensing
	Altitude	Up to 10,000 ft. (3 km)
Electrical characteristics	Notes	1.5 Watts maximum QSFP+ cable end 0.35 Watts maximum SFP+ Cable end (each)
Notes	Electrical Properties Cable Characteristic Impedance: Non-conductive Crosstalk between pairs: 26dB max Time delay: 1.475 nsec/ft BER: 10E-15 max Physical Properties QSFP+ Cable Diameter: 3.4 mm SFP+ Cable Diameter: 3 mm QSFP+ Minimum Cable Bend Radius: 25 mm SFP+ Minimum Cable Bend Radius: 30 mm

Operating System and Virtualization Support	The Operating Systems supported by this adapter are based on the server OS support. Please refer to the OS Support Matrix at https://www.hpe.com/us/en/servers/server-operating-systems.html.

Environment-friendly Products and Approach - End-of-life Management and Recycling

Hewlett Packard Enterprise offers end-of-life product return, trade-in, and recycling programs, in many geographic areas, for our products. Products returned to Hewlett Packard Enterprise will be recycled, recovered or disposed of in a responsible manner.

The EU WEEE Directive (2012/19/EU) requires manufacturers to provide treatment information for each product type for use by treatment facilities. This information (product disassembly instructions) is posted on the Hewlett Packard Enterprise web site. These instructions may be used by recyclers and other WEEE treatment facilities as well as Hewlett Packard Enterprise OEM customers who integrate and re-sell Hewlett Packard Enterprise equipment.

Summary of Changes

Date	Version History	Action	Description of Change
20-Jul-2026	Version 9	Changed	Service and Support section was updated.
16-Feb-2026	Version 8	Changed	New branding applied to document.
04-Dec-2023	Version 7	Changed	Service and Support section was updated.
15-Nov-2021	Version 6	Changed	Service and Support section was updated.
26-Nov-2018	Version 5	Changed	Technical Specifications were updated
05-Feb-2018	Version 4	Changed	Models section was updated.
26-Oct-2016	Version 3	Changed	Rebranding edition.
09-Feb-2015	Version 2	Added	SKUs added on models section: 721070-B21, 721073-B21, 721076-B21.
09-Feb-2015	Version 2	Changed	QuickSpecs name changed from "HPE BladeSystem c-Class 40G QSFP+ to QSFP+ Active Optical Cable" to "HPE BladeSystem c-Class 40G QSFP+ Active Optical Cables" Overview, Technical Specification sections were updated.
10-Jun-2014	Version 1	New	Initial version.

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