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Technical Data Sheet
PartsTable / STORAGE_HDD / 504338-001
504338-001 ✓ Verified by PartsTable
WD · STORAGE_HDD · 3.5_SATA_HDD
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
WD 320GB 8MB CACHE 3.5'' 7200RPM SATA2 HDD

WD 320GB 8MB CACHE 3.5'' 7200RPM SATA2 HDD. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
STORAGE_HDD→ 3.5_SATA_HDD→ 504338-001
SPECIFICATIONS
Part Number504338-001
ManufacturerWD
Capacity320GB
COMPONENT DIAGRAM
RELEASE LATCH 320GB NL-SAS 7.2K 504338-001 WD NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 320GB | 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 504338-001 MFR WD
KEY FEATURES
•
320GB 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
FH963AACompatible
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
compatible
482915-001Compatible
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
compatible
482915-002Compatible
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
compatible
484054-001Compatible
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
compatible
484054-002Compatible
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
compatible
484054-003Compatible
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 18
FH963AASUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
482915-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
482915-002SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
484054-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
484054-002SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
484054-003SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
497731-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
498140-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
508026-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
531625-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
531625-002SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
531625-003SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
586969-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
588598-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
588598-002SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
613207-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
614559-001SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
614559-002SUBSTITUTE
HP 320Gb SATA 3G 7.2K LFF HDD for Desktops
HP
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FREQUENTLY ASKED QUESTIONS
What is 504338-001?
504338-001 is a Wd 320GB 8MB Cache 3.5'' 7200RPM Sata2 HDD manufactured by WD. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 504338-001?
There are 12 known substitutes for 504338-001: FH963AA, 482915-001, 482915-002 and 9 more. Substitute compatibility should be verified for your specific system.
Is 504338-001 still available?
504338-001 is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026