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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

  • Product 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.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $92.99
Cheaper than about 70% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameDELL
Model nameR17R1
Product 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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