HP 756621-B21 120GB SAS SSD Hot-Swap Drive — main product image

HP 756621-B21 120GB SAS SSD Hot-Swap Drive

HP 756621-B21 120GB SAS SSD Hot-Swap Drive

Name: HP 756621-B21 120GB SAS SSD Hot-Swap Drive
Brand: HP
SKU: 756621-B21

★★★★★5.0 (1 reviews)

A 120GB hot-swap SATA SSD engineered for HP ProLiant servers, delivering reliable performance in enterprise environments.

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Overview

The HP 756621-B21 is a 120GB 2.5-inch SATA solid state drive designed specifically for HP ProLiant server environments. As an HP-qualified component, it is validated for compatibility and carries the B21 part designation that indicates it is a complete kit ready for installation in a ProLiant drive bay. The SSD technology eliminates the mechanical failures associated with spinning hard drives, while the hot-swap design allows administrators to replace or add the drive without taking the server offline.

At 120GB, this drive is best suited for use as a boot volume for the server operating system and core services, rather than as primary data storage. The SATA interface provides solid throughput for OS-level operations, though environments requiring maximum I/O performance may want to consider SAS or NVMe alternatives. For ProLiant administrators looking for a straightforward, validated boot drive that drops into an existing infrastructure without compatibility concerns, the 756621-B21 fills that role reliably.

Key Features

Delivers the High Reliability You Can Count On In Your Data Center

Accelerate Workload Performance with High Performing HP Solid State Drives

Provides Simplicity and Lower Total Cost of Ownership

Increases the Efficiency of Your Server

Specifications

Brand

Part Number

756621-B21

Capacity

120GB

Form Factor

2.5-Inch

Interface

SATA

Hot-Swap

Yes

Drive Type

Solid State Drive (SSD)

Pros & Cons

👍 Pros

Hot-swap capability allows drive replacement without server downtime
2.5-inch form factor fits standard HP ProLiant drive bays
SSD technology provides faster read and write speeds compared to traditional spinning drives
Lower power consumption and no moving parts improve reliability in always-on server environments
HP-qualified part number ensures validated compatibility with ProLiant infrastructure

👎 Cons

120GB capacity is limited and only practical as a boot drive or for lightweight workloads
SATA interface is slower than SAS or NVMe alternatives available for ProLiant servers
Older generation drive may not match the endurance ratings of newer enterprise SSDs
Compatibility is limited to HP ProLiant servers with matching drive bay specifications

Frequently Asked Questions

Which servers is this drive compatible with?

It is designed for HP ProLiant servers that accept 2.5-inch hot-swap SATA drives. The HP part number 756621-B21 can be cross-referenced with HP's compatibility lists for specific server models.

Does this drive support hot-swapping?

Yes, it is a hot-swap drive, meaning it can be inserted or removed from a compatible server bay without powering down the system.

Is 120GB sufficient for server use?

A 120GB SSD is commonly used as a boot drive for the operating system and essential applications. For data-heavy storage needs, additional or larger drives would typically be used alongside it.

Does this drive come in a carrier tray?

HP smart carrier trays are typically included with B21-designated drives, but buyers should confirm with the seller that the tray is included, as this can vary.