Samsung SSD 840 PRO Series
User Benchmarks

ModelTypeScoreSeq.
Read
MB
Seq.
Write
MB
Read
4k64QD
Write
4k64QD
Read
Access
msek.
Write
Access
msek.
Samsung SSD 840 PRO Series1281589180544934694.75316.410.010.01
Samsung SSD 840 PRO Series1281330370713681624.92319.070.010.01
Samsung SSD 840 PRO Series1281266168934015422.88300.160.010.01
Samsung SSD 840 PRO Series2561081954913558633.02278.410.010.01
Samsung SSD 840 PRO Series2561024660823026335.60116.220.010.04
Samsung SSD 840 PRO Series256862927894007564.75285.360.010.01
Samsung SSD 840 PRO Series128553730661813115.8781.950.040.05
Samsung SSD 840 PRO Series256551022192225460.97238.890.020.03
Samsung SSD 840 PRO Series128360619071056253.90138.930.030.04
Samsung SSD 840 PRO Series2561568518491338.45288.870.120.05
Samsung SSD 840 PRO Series5121553524500351.94120.520.110.03
Samsung SSD 840 PRO Series2561547511478333.23359.640.150.07
Samsung SSD 840 PRO Series2561481507469299.40232.570.150.07
Samsung SSD 840 PRO Series1281474520378391.13353.390.110.03
Samsung SSD 840 PRO Series2561468503463309.60282.000.120.04
Samsung SSD 840 PRO Series2561466469457360.23315.760.140.07
Samsung SSD 840 PRO Series2561456509468224.05198.570.130.06
Samsung SSD 840 PRO Series2561400485453245.64213.440.130.06
Samsung SSD 840 PRO Series2561386503467271.42152.860.160.07
Samsung SSD 840 PRO Series2561367501468296.68174.590.160.07
Samsung SSD 840 PRO Series1281357503370315.31255.960.140.07
Samsung SSD 840 PRO Series1281328503329349.77271.100.130.06
Samsung SSD 840 PRO Series2561309506387363.72168.610.130.05
Samsung SSD 840 PRO Series1281307459441187.97166.540.140.07
Samsung SSD 840 PRO Series1281291479381329.90213.270.140.08
Samsung SSD 840 PRO Series1281208494367241.6789.420.120.05
Samsung SSD 840 PRO Series1281190478331189.56157.200.230.09
Samsung SSD 840 PRO Series256116643643631.3182.980.150.08
Samsung SSD 840 PRO Series25696642129656.5142.470.210.16
Samsung SSD 840 PRO Series256885394111355.57107.210.130.05
Samsung SSD 840 PRO Series128767261247178.1359.210.220.11
Samsung SSD 840 PRO Series256758260198207.70179.390.160.10
Samsung SSD 840 PRO Series25075142579244.2911.760.1110.62
Samsung SSD 840 PRO Series51271829920393.1070.920.310.07
Samsung SSD 840 PRO Series25666623221793.7383.350.290.13
Samsung SSD 840 PRO Series51249920496107.4194.440.370.09
Samsung SSD 840 PRO Series2563972561410.000.00
Samsung SSD 840 PRO Series1280000.000.00
Samsung SSD 840 PRO Series2560000.000.00
Samsung SSD 840 PRO Series2560000.000.00
WDC WD800AB-00CBA1 ATA Devic // WDC WD2500AAKS-00VYA0 ATA Devic // NVMe SAMSUNG MZVPV256 SCSI Disk Devic // Kingston UHS-II SD Reader USB Devic // Samsung SSD 850 EVO 500G // Hitachi HDP725050GLA360 USB Devic // HDS722516VLSA80 ATA Devic // WDC WD10SPZX-24Z10T
The measurement of the Samsung SSD 840 PRO Series was carried out on Windows. Similar read and write speeds could certainly be achieved with the Samsung SSD 840 PRO Series under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the Samsung SSD 840 PRO Series should be used.
bing: Samsung SSD 840 PRO Series
google: Samsung SSD 840 PRO Series

The Samsung SSD 840 PRO Series was a line of 2.5-inch solid-state drives (SSDs) released by Samsung Electronics between 2012 and 2014. They were among the first SSDs to use Toggle Mode DDR (Toggle DDR) NAND flash, and offered market-leading performance and reliability at the time.

Specifications:

Interface: SATA III (6 Gb/s)
Form factor: 2.5-inch (7mm)
Capacity: 128GB to 1TB
NAND flash: Toggle Mode DDR (MLC)
Controller: Samsung MDX (S4LN021X01-8030)
Read speed: Up to 540 MB/s
Write speed: Up to 520 MB/s
Random read IOPS: Up to 100,000 IOPS
Random write IOPS: Up to 80,000 IOPS
Cache: 256MB or 512MB
MTBF: 1,000,000 hours
Warranty: 3 years

Features:

High performance: The Samsung SSD 840 PRO Series offered market-leading performance at the time, with sequential read speeds of up to 540 MB/s and write speeds of up to 520 MB/s.
High reliability: The 840 PRO Series was known for its high reliability, offering an MTBF (Mean Time Between Failures) of 1,000,000 hours and a 3-year warranty.
High security: The 840 PRO Series featured several security features, including AES-256-bit encryption and TCG Opal 2.0 support.
Low power consumption: The 840 PRO Series was energy efficient, consuming only 0.2 watts in idle mode.

The Samsung SSD 840 PRO Series was a good choice for users who wanted a fast, reliable, and secure SSD with high performance. However, it was also relatively expensive, and there were more affordable SSDs on the market at the time.

Today, the Samsung SSD 840 PRO Series is outdated. There are newer and better SSDs on the market that offer higher performance, capacity, and reliability.

If you are still interested in a Samsung SSD 840 PRO Series, you should look for it on the used market. You may be able to find it for a lower price.

However, be aware that the warranty for these SSDs is likely to have expired, and they may not be performing at their full capacity.

Alternatives:

Samsung 870 QVO: This SSD offers high capacity at an affordable price.
Samsung 980 Pro: This SSD offers the best performance that Samsung currently has to offer.
Crucial MX500: This SSD is a good choice for users who want a reliable and affordable SSD.
Western Digital Blue SN570: This SSD offers good performance and value for the price.

Before buying an SSD, you should consider your needs and budget.




Samsung SSD 840 PRO Series and the compatible operating systems


Windows Server 2025, 2022, 2019, 2016, ... or 2008 and higher

Windows 12, 11, 10 or Windows 7 and higher
Linux (various distributions)
macOS (from version 10.6)

Please note that the exact functions and areas of application may vary depending on the firmware version and configuration of Samsung SSD 840 PRO Series.

The Samsung SSD 840 PRO Series is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the Samsung SSD 840 PRO Series regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.




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