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KC79N — Storage Datasheet

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Dell · DRIVE LFF
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

Increase storage capacity of your system with this Hard Drive from Dell™. It offers an ideal storage capacity of up to 300 GB and rotational speed of up to 15,000 RPM for fast data access. Moreover, its SAS6 interface delivers enhanced data transfer speed.

This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LFF BAY→ KC79N
SPECIFICATIONS
Part NumberKC79N
ManufacturerDell
Form FactorLFF
Capacity300GB
COMPONENT DIAGRAM
RELEASE LATCH 300GB NL-SAS 7.2K KC79N Dell NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 300GB | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN KC79N MFR Dell
KEY FEATURES
•
LFF Form Factor
•
300GB Capacity
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
300SS61535RTCompatible
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray
compatible
274W4Compatible
Dell 300Gb SAS 6G 15K LFF DP HDD Bare Drive - MPN
compatible
342-0123Compatible
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - SPN
compatible
342-0452Compatible
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - DPN
compatible
342-2073Compatible
Dell 300Gb SAS 6G 15K LFF DP HDD Bare Drive - DPN
compatible
342-2075Compatible
Dell 300Gb SAS 6G 15K LFF DP HDD Bare Drive - DPN
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
88MCNSUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
F617NSUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
FFMX3SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
FX7D2SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
M525MSUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
T0RW0SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
X150KSUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
274W4SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
300SS61535RTSUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-0123SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-0452SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-2073SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-2075SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-2078SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-2088SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-2089SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
342-2090SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
400-19339SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
400-19622SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
400-19730SUBSTITUTE
Dell 300Gb SAS 6G 15K LFF DP HDD R/T-Series Tray - MPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is KC79N?
KC79N is a DELL KC79N internal hard drive 300 GB 15000 RPM 3.5" SAS manufactured by Dell.
What parts can replace KC79N?
There are 12 known substitutes for KC79N: 300SS61535RT, 274W4, 342-0123 and 9 more. Substitute compatibility should be verified for your specific system.
Is KC79N still available?
KC79N is currently Unknown.
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Last verified: September 2026