Samsung MZ-7KM400A 400GB Solid State Drive
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Samsung MZ-7KM400A 400GB SATA 6GBPS Internal SSD Dell OEM Refurbished

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Part Number#: MZ-7KM400A
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Short Description:
MZ-7KM400A 400 Gigabytes (GB) Serial Advanced Technology Attachment (SATA) 6 Gigabits Per Second (GBPS) Write Intensive 2.5 Inch Small Form Factor (SFF) Enterprise Internal Solid State Drive | Made by Samsung | Refurbished | Dell OEM | Call
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Specification of the Samsung MZ-7KM400A SATA SSD

The Samsung MZ-7KM400A 400GB SATA 6GBPS Internal SSD is a solid-state drive designed to enhance the storage and performance capabilities of your computer. As one of Samsung's leading SSD products, the MZ-7KM400A offers high-speed data transfer, reliability, and durability, making it an ideal choice for both casual users and professionals seeking improved system responsiveness and efficiency.

Solid State Drive (SSD)

SSD stands for Solid State Drive. Unlike traditional hard disk drives (HDDs) which use spinning disks and mechanical components to store and retrieve data, SSDs utilize flash memory chips to store data electronically. This design enables SSDs to offer faster read and write speeds, improved durability, and lower power consumption compared to HDDs.

Features of the Samsung MZ-7KM400A SSD
  • Capacity: The Samsung MZ-7KM400A offers a storage capacity of 400GB, providing ample space for storing operating systems, applications, games, multimedia files, and other data.
  • Interface: This SSD features a SATA 6GBPS interface, allowing for high-speed data transfer between the drive and the computer's motherboard.
  • Form Factor: The MZ-7KM400A adopts a standard 2.5-inch form factor, making it compatible with most desktops, laptops, and other computing devices.
  • Read and Write Speeds: With its advanced NAND flash memory and controller technology, the MZ-7KM400A delivers impressive read and write speeds, resulting in faster boot times, application loading, and file transfers.
  • Reliability: Samsung is renowned for its commitment to quality and reliability. The MZ-7KM400A is engineered to withstand the rigors of daily use, ensuring consistent performance and data integrity over time.
  • Energy Efficiency: SSDs consume less power than traditional HDDs, making them an eco-friendly storage solution. The MZ-7KM400A is designed to optimize power efficiency without compromising performance.
  • Compatibility: Whether you're upgrading an existing system or building a new one, the Samsung MZ-7KM400A is compatible with a wide range of operating systems and hardware configurations, including Windows, macOS, and Linux.
  • Warranty: Samsung backs the MZ-7KM400A with a limited warranty, providing peace of mind and assurance of quality and support.
Benefits of Using the Samsung MZ-7KM400A 400GB SSD
  • Improved Performance: By replacing your computer's HDD with the MZ-7KM400A SSD, you can experience significantly faster boot times, application launches, and overall system responsiveness.
  • Enhanced Productivity: With faster data access and transfer speeds, you can complete tasks more efficiently, whether you're working on documents, editing photos or videos, or playing games.
  • Reliability and Durability: SSDs have no moving parts, making them less susceptible to mechanical failure and damage from shock or vibration. The MZ-7KM400A is built to last, providing reliable performance for years to come.
  • Quieter Operation: Since SSDs do not produce noise from spinning disks like HDDs, using the MZ-7KM400A can result in a quieter computing experience, ideal for environments where noise reduction is desired.
  • Energy Efficiency: The MZ-7KM400A consumes less power than traditional HDDs, helping to extend battery life in laptops and reduce electricity costs in desktops.
  • Compact Design: The slim and lightweight design of the MZ-7KM400A makes it easy to install in desktops, laptops, and other computing devices, without adding bulk or weight.
  • Compatibility: Whether you're upgrading a Windows PC, a MacBook, or a custom-built gaming rig, the MZ-7KM400A is compatible with a wide range of systems, providing versatility and flexibility.
  • Warranty and Support: Samsung stands behind the quality and reliability of the MZ-7KM400A with a limited warranty and dedicated customer support, ensuring a positive user experience.
Design and Build Quality

The Samsung MZ-7KM400A SSD features a sleek and compact design, with a 2.5-inch form factor that makes it suitable for a wide range of computing devices, including laptops and desktops. The drive is encased in a durable metal housing that helps protect it from physical damage and dissipates heat effectively, ensuring reliable performance over extended periods of use. Additionally, the SATA 6GBPS interface ensures compatibility with most modern motherboards and allows for fast data transfer speeds.


One of the most significant advantages of the Samsung MZ-7KM400A SSD is its impressive performance capabilities. With sequential read speeds of up to 550 MB/s and sequential write speeds of up to 520 MB/s, this SSD offers blazing-fast data transfer rates, resulting in snappy system responsiveness and reduced load times for applications and files. Whether you're gaming, editing multimedia content, or performing everyday computing tasks, the MZ-7KM400A delivers the performance you need to keep up with your workload.

Advanced Features

The Samsung MZ-7KM400A SSD is equipped with a range of advanced features designed to optimize performance and enhance user experience. One such feature is TRIM support, which helps maintain the drive's performance over time by enabling the operating system to inform the SSD which data blocks are no longer in use and can be erased. Additionally, the SSD employs advanced error correction technology to ensure data integrity and minimize the risk of data loss or corruption.

Endurance and Reliability

Endurance and reliability are important factors when choosing an internal SSD, as they determine the lifespan and overall performance of the drive.

The Samsung MZ-7KM400A 400GB SATA 6GBPS Internal SSD has high endurance, meaning it can handle a large amount of data writes over its lifetime. This is thanks to its endurance rating of up to 400 terabytes written (TBW), which indicates the amount of data that can be written to the drive before it reaches the end of its lifespan.

In terms of reliability, the Samsung MZ-7KM400A is built with robust components and features error correction technology to minimize the risk of data corruption or loss. The drive also has a low failure rate, making it a dependable storage solution for your computer.

Main Information about this Samsung MZ-7KM400A SSD
  • Manufacturer: Samsung
  • Part Number or SKU# MZ-7KM400A
  • Product Type: Solid State Drive(SSD)
  • Interface: SATA 6GBPS Internal
Key Information of 400GB Solid State Drive
  • Storage Capacity: 400GB
  • Drive Type: Internal
  • Form Factor: 2.5inch SFF
  • NAND Flash Memory: V2 MLC
Performance of SATA 6GBPS SSD
  • Sequential Read: (128KB) Up to 520 MB/s
  • Sequential Write: (128KB) Up to 485 MB/s
  • Random Read: (4KB) Up to 97 KIOPS
  • Random Write: (4KB) Up to 29 KIOPS
  • IOPS Consistency (Read/Write @4KB): 99% / 97%
  • Average Latency (Read/Write @4KB, QD32 Avg.): 100 us / 35 us
Power Requirements of 6GBPS SSD
  • Supply Voltage: +5V ± 5%
  • Voltage Ripple/Noise (Max.): 100 mV p-p
  • Active4 (Read): 2.4 Watt
  • Active (Write): 3.1 Watt
  • Idle5 (Typical): 1.3 Watt
Environmental Specifications MZ-7KM400A
  • Operating Temperature: 3 0 ~ 70 °C
  • Non-operating Temperature: -40 ~ 85 °C
Features of Solid State Drive MZ-7KM400A
  • High-Speed 8 Channel 8 Way Architecture
  • Triple 500MHz Cortex-R Core
  • Up to 2GB LPDDR3 DRAM Buffer Memory
  • Serial ATA 6.0Gbps Interface
  • Fully complies with Serial ATA 3.0 Standard
  • ATA Security Mode feature set
  • ATA Host Protected Area feature set
  • Support NCQ (Up to 32 depth) Command Set
  • Support TRIM Command
  • Asynchronous Signal Recovery
  • End-to-End Data Protection
  • AES 256-bit Encryption
  • RoHS Compliant
Reliability Specifications
  • Non-recoverable Read Error: 1 sector per 1017 bits read
  • MTBF: 2,000,000 hours
  • TBW: 1920GB: 12320 TB, 960GB: 6160 TB, 480GB: 3080 TB, 240GB: 1540 TB,120 GB: 770 TB

Finally, the Samsung MZ-7KM400A 400GB SATA 6GBPS Internal SSD emerges as a commendable choice for users seeking a storage solution that combines capacity, speed, and reliability. From its innovative V-NAND technology to its compatibility and competitive pricing, the SSD addresses the diverse needs of both casual users and professionals engaged in resource-intensive tasks. With its impressive performance metrics, advanced features, and user-friendly software, the MZ-7KM400A stands as a testament to Samsung's commitment to delivering cutting-edge storage solutions in the ever-evolving landscape of computing.

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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30-days to 3 years warranty:

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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(b) any misuse outside the instructions in the user manual for any specific product;

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What is the Manufacturer/Brand Warranty?

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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