IBM 42D0678 6GBPS Hard Drive
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IBM 42D0678 146GB 15K RPM HDD SAS 6GBPS Hot Swap Refurbished

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Part Number#: 42D0678
List Price was: $603.03
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Short Description:
42D0678 146GB (Gigabyte) 15000 Revolutions Per Minute (RPM) Serial-Attached SCSI (SAS) Gigabits Per Second (6GBPS) 2.5inch Hot Swap Hard Disk Drive with Tray for Server | Made by IBM | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Details of the IBM 42D0678

In the realm of computer storage, the IBM 42D0678 146GB 15K RPM HDD SAS 6GBPS Hot Swap stands out as a crucial component. This article aims to provide a comprehensive understanding of this storage device, breaking down its key features, specifications, and its role in enhancing overall system performance.


The IBM 42D0678 refers to a specific hard disk drive (HDD) model produced by IBM SAS 6GBPS, a renowned name in the world of information technology.


With a storage capacity of 146 gigabytes (GB), this 146GB 15K RPM HDD caters to the needs of users and businesses requiring a balance between storage space and performance.

Rotational Speed

One standout feature is its rotational speed of 15,000 revolutions per minute (RPM). This high RPM value signifies a rapid data access rate, crucial for tasks demanding quick read and write operations.


The HDD utilizes a Serial Attached SCSI (SAS) interface, providing a data transfer rate of 6 gigabits per second (GBPS). SAS is known for its reliability and scalability, making it a popular choice in enterprise-level storage solutions.

Hot Swap Capability

The term "Hot Swap" indicates the drive's ability to be replaced or added without shutting down the entire system. This feature is especially valuable in scenarios where uninterrupted operation is critical, reducing downtime and increasing overall system reliability.

Significance in System PerformanceImproved Data Access Speed

The 15,000 RPM rotational speed plays a pivotal role in enhancing data access speed. This makes the IBM 42D0678 suitable for applications that demand high-performance storage, such as databases, virtualization, and data-intensive computing tasks.

Scalability in Enterprise Environments

The SAS interface, operating at 6GBPS, ensures that the HDD can handle the demands of enterprise-level environments. This scalability is essential for businesses experiencing growth and requiring storage solutions that can keep pace with increasing data volumes.

Reliability and Redundancy

Hot Swap capability adds an extra layer of reliability and redundancy to the system. In the event of a drive failure, administrators can replace the faulty drive without affecting ongoing operations, contributing to improved system availability.

IBM System Compatibility

The IBM 42D0678 is designed to seamlessly integrate with IBM systems, ensuring optimal performance and compatibility. This compatibility simplifies the integration process for users relying on IBM infrastructure.

RAID Configurations

The HDD is often used in conjunction with a Redundant Array of Independent Disks (RAID) configurations, where multiple drives work together to enhance data protection and performance. System administrators can configure RAID setups that align with the specific needs of their environment.

Considerations for Purchase

Workload Requirements

Before opting for the IBM 42D0678, it is crucial to assess the workload requirements. This includes understanding the nature of the applications and tasks that the storage solution will be supporting. High-performance tasks may benefit from the 15,000 RPM speed, while less demanding applications might find a lower RPM option sufficient.

Future Expansion

Businesses experiencing growth should consider the scalability of their storage solutions. The 146GB capacity might suffice for current needs, but it's essential to evaluate whether future expansion might necessitate additional storage capacity or a more extensive RAID configuration.

Budget Constraints

While the IBM 42D0678 offers a compelling set of features, budget considerations are paramount. Businesses and individuals should weigh the performance benefits against the cost to ensure that the investment aligns with their financial constraints.

Overview of the 42D0678 IBM Hard Drive

The 42D0678 IBM hard drive is a 2.5-inch form factor drive that uses a Serial Attached SCSI (SAS) interface to connect to your computer system. SAS is a high-performance interface that is commonly used in enterprise-level applications, as it supports faster data transfer rates than other interfaces like SATA. The hard drive has a capacity of 146GB, which should be sufficient for most applications. Additionally, it has a spindle speed of 15,000 revolutions per minute (RPM), which makes it one of the fastest hard drives available.

One of the key features of the 42D0678 IBM hard drive is that it is hot-swappable. This means that you can replace the hard drive without shutting down your system, which is useful in applications where uptime is critical. For example, if you're running a server that needs to be available 24/7, you can replace a failed hard drive without interrupting the server's operation. This can save you time and money by reducing downtime and maintenance costs.

Technical Specifications

Now let's take a closer look at the technical specifications of the 42D0678 IBM hard drive. Here are some of the key features and specifications:

  • Interface: SAS 6Gbps
  • Capacity: 146GB
  • Spindle speed: 15,000 RPM
  • Form factor: 2.5-inch
  • Hot-swappable: Yes
  • Average latency: 2.0ms
  • Data transfer rate: up to 6Gbps
  • Seek time: 3.4ms (read), 3.9ms (write)
  • Operating temperature: 5°C to 55°C
  • Non-operating temperature: -40°C to 70°C
  • Operating shock: 40G, 2ms
  • Non-operating shock: 400G, 2ms

As you can see, the 42D0678 IBM hard drive has some impressive specifications. Its SAS interface supports data transfer rates of up to 6Gbps, which is faster than the 3Gbps transfer rates supported by SATA interfaces. The 15,000 RPM spindle speed means that the hard drive can read and write data more quickly than slower drives. The hot-swappable feature makes it easy to replace a failed drive without interrupting your system's operation.

Benefits of the 42D0678 IBM Hard Disk

So what are the benefits of using the 42D0678 IBM hard drive in your computer system? Here are a few:

  • High performance: The 15,000 RPM spindle speed and SAS interface of the 42D0678 IBM hard drive make it a high-performance drive that can handle demanding applications. If you need fast storage for your system, this hard drive is a good choice.
  • Hot-swappable: The hot-swappable feature of the 42D0678 IBM hard drive can save you time and money by reducing downtime and maintenance costs. You can replace a failed drive without shutting down your system, which is useful in applications where uptime is critical.
  • Reliable: IBM is a trusted brand in the world of computer hardware, and the 42D0678 IBM hard drive is no exception.
Main Information about the IBM 42D0678
  • Manufacturer: IBM
  • Part Number or SKU# 42D0678
  • DeviceType: Hard Drive - Hot-Swap
  • HDD Type: SAS 6GBPS
Technical Information
  • Capacity: 146 GB
  • Form Factor: 2.5 inches
  • Data Transfer Rate: 600 MBPS
  • Spindle Speed: 15,000 RPM
  • Drive Transfer Rate: 600 MBPS (External)
  • Bladecenter HS12, HS22, HS22V
  • SYSTEM X3400 M3 (2.5), X3500 M3 (2.5)
  • X3550 M2, X3550 M3, X3650 M2, X3650 M3
  • X3690 X5 (2.5), X3850 X5, X3950 X5

In general, the IBM 42D0678 146GB 15K RPM HDD SAS 6GBPS Hot Swap is a robust storage solution tailored for demanding computing environments. Its combination of high RPM, SAS interface, and Hot Swap capability positions it as a versatile option for applications ranging from data-intensive computing to enterprise-level storage systems. Understanding its technical specifications, significance in system performance, compatibility, and purchase considerations empowers users to make informed decisions when integrating this HDD into their computing infrastructure. Whether enhancing data access speed, ensuring system reliability, or facilitating seamless maintenance, the IBM 42D0678 contributes to an efficient and resilient storage ecosystem.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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