What are the specific dimensions of this HP 431935-B21 72GB hard drive, and does it fit in a standard 2.5" drive bay?

The hard drive has a form factor of 2.5 inches, which indicates that it is designed to fit in a standard 2.5" drive bay.

Acer Aspire Go 15 Laptop - AMD Ryzen 7 5825U - 16GB DDR4 RAM - 512GB SSD (NX.JQJAA.002)

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Main image of HP 431935-B21 72GB 15000 RPM SAS 3Gb/s 2.5" Internal Hot Plug Hard Drive

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HP 431935-B21 72GB 15000 RPM SAS 3Gb/s 2.5" Internal Hot Plug Hard Drive

Used - Like New

15000 RPM
SAS 3Gb/s

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

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Ideal for:

Mission critical requirements

Storage capacity growth

Transactional applications

Performance oriented requirements where throughput and uptime are an absolute

Hp 72Gb 15000Rpm Serial Attached Scsi(Sas) 2.5Inch Sff Single Port Rohs Compatible Hard Disk Drive With Tray

Model
Brand	HP
Model	431935-B21

Performance
Interface	SAS 3Gb/s
Capacity	72GB
RPM	15000 RPM

Features
Features	Serial Attached SCSI is the logical evolution of SCSI, including its long-established software advantage and the Serial ATA electrical and physical connection interface. SAS meets all these demands while providing the highest performance.

Dimensions
Form Factor	2.5"

Additional Information
First Listed on Newegg	January 26, 2026

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Warranty, Returns, And Additional Information

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Item#: 9SIA22FKS49825