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Silver rectangular Dell R17R1 750W switch power supply with reverse airflow label

DELL

DELL R17R1 750W Reverse Airflow Switch Power Supply

SKU CH-SBPK-DESB0 MPN R17R1

A 750W reverse-airflow switch power supply compatible with Dell S4248FB-ON, S4248FBL-ON, S5048F-ON, S5148F-ON, S5224F-ON, S5232F-ON, S5248F-ON and Z9100-ON switches

  • TypeSwitch
  • 750 W output powers high-density Dell switches
  • Reverse airflow moves heat from PSU toward I/O for front-to-rear cooling
  • Hot-swap design enables replacement without network downtime
  • Compatible with S4248FB-ON, S4248FBL-ON, S5048F-ON, S5148F-ON, S5224F-ON, S5232F-ON, S5248F-ON, Z9100-ON
  • Tested and firmware updated for reliable deployment

750 W Reverse-Airflow Switch PSU

This Dell R17R1 unit delivers 750 W of AC-to-DC power with a reverse airflow path that moves heat from the power supply toward the I/O side of the chassis. It is built as a hot-pluggable module for Dell networking switches.

Network operators using listed Dell switches

The supply fits the S4248FB-ON, S4248FBL-ON, S5048F-ON, S5148F-ON, S5224F-ON, S5232F-ON, S5248F-ON and Z9100-ON families, plus the CAT-27965 platform. Operators of other switch lines or non-Dell hardware cannot use this module.

750 W reverse-airflow rating

The 750 W output combined with PSU-to-I/O airflow direction is the single specification that determines whether this module matches the thermal and power budget of the target switch.

Highlights

  • 750 W output powers high-density Dell switches
  • Reverse airflow moves heat from PSU toward I/O for front-to-rear cooling
  • Hot-swap design enables replacement without network downtime
  • Compatible with S4248FB-ON, S4248FBL-ON, S5048F-ON, S5148F-ON, S5224F-ON, S5232F-ON, S5248F-ON, Z9100-ON
  • Tested and firmware updated for reliable deployment

Specifications

BrandDELL
ModelR17R1
TypeSwitch

Questions about this item

What does the 750W rating deliver inside a Dell S5248F-ON switch?

It supplies up to 750 watts to the switch chassis, powering all line cards and management modules in the S5248F-ON and other listed Dell networking platforms.

How does the reverse airflow design work with the PSU-to-I/O direction?

Air enters from the power supply side and exits toward the I/O panel, matching the front-to-back cooling path used in Dell S4248FB-ON, S5048F-ON and Z9100-ON switches.

Which Dell switch models accept this R17R1 unit in their power supply bay?

The R17R1 fits Dell S4248FB-ON, S4248FBL-ON, S5048F-ON, S5148F-ON, S5224F-ON, S5232F-ON, S5248F-ON and Z9100-ON switches.

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