Samsung 840 PRO 128GB SSD

Name: Samsung 840 PRO 128GB
Brand: Samsung
SKU: MZ-7PD128BW
Rating: 4.8 (235 reviews)

Samsung 840 PRO 128GB 2.5" SATA3 MZ-7PD128BW

★★★★★

(235 reviews)

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Options (1)

512 GB
$299.99

Experience PC performance you never thought possible
Enables you to boot up your computer in as little as 15 seconds
Energy efficient - improves battery life by up to 50 minutes
Solid-state design provides greater shock protection for data and brushed metal case blocks dust and corrosion
Worry-free data security with AES 256-bit full-disk encryption
100-percent genuine Samsung components from the #1 memory manufacturer in the world
4th-generation 3-Core Samsung MDX Controller ensures sustained performance under the most punishing conditions
Backed by an industry-leading five-year limited warranty

Specifications Overview

Model	MZ-7PD128BW
Release Date	October 2012 * First availability for purchase, it may not correspond to the actual market launch date.
Series	840 Pro Series
Capacity	128 GB
Interface	SATA 6 Gb/s
NVME	No
Form Factor	2.5"
SSD Controller	Samsung MDX
NAND Flash Type	MLC
MTBF	1,500,000 hours

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C

Pros

Great performance
Samsung MDX controller

Cons

Samsung 840 PRO 128GB Performance comparison with similar Solid State Drives

(Higher is better)

Samsung 840 PRO 128GB Performance

Sequential read/write speed, Random 4K read/write speed

SanDisk Extreme II 480GB (250th)		102%
WD Blue 3D NAND 500GB M.2 (255th)		101%
Crucial M550 256GB (255th)		101%
Samsung 850 EVO 120GB (255th)		101%
Samsung 840 EVO 120GB (258th)		~
PNY CS2211 960GB (258th)		~
OCZ Vector 150 240GB (258th)		~
OCZ Vertex 460 240GB (258th)		~
OCZ Vertex 460A Series 480GB (258th)		~
Samsung 750 EVO 250GB (258th)		~
Samsung 840 PRO 128GB (258th)		100%
Plextor M6S 256GB (265th)		98%
OCZ Vertex 460A Series 240GB (265th)		98%
Samsung 860 QVO 1TB (265th)		98%
SanDisk Extreme II 240GB (265th)		98%
PNY CS2211 480GB (269th)		97%
Crucial MX300 1TB (269th)		97%
Corsair Neutron XT 240GB (269th)		97%
Crucial MX100 512GB (269th)		97%
Crucial MX200 250GB (273rd)		96%
OCZ ARC 100 240GB (273rd)		96%

View chart ►

Description

Type
Product Type	Solid State Drive
Design	2.5" 7mm (Ultraslim) Form Factor
Series	840 PRO

Storage
Capacity	128GB

Features
Sequential Read Speed	Up to 530MB/s
Sequential Write Speed	Up to 390MB/s
Random Read Speed	Up to 97K IOPS
Random Write Speed	Up to 90K IOPS

Power
Power Consumption (W)	.15W
Voltage	5V ± 5%

Operating Systems
Compatible	Windows Vista or Later

Environmental Specs
Operating Temperature	32ᵒF to 140ᵒF

Weight
Product	.15 lb

Warranty
Product	3 Years

Product Contents
Contents	Samsung SmartMigration Software, Samsung Software & Manual CD, Quick User Manual

Expert reviews

At the start of this review we set out to see what one of the industry's leading high-end client drives would do in enterprise workloads due to its popularity in that segment. It's important to understand the expectations and needs for a drive in the...

StorageReview

Read the full review

While our review of the Samsung 840 Pro may be a bit late but with updated NAND, additional features and being rolled out in the last few months, this is almost a brand new drive. And what an SSD it is. Despite boasting an internal architecture whose...

Hardware Canucks

Read the full review

While the Samsung 830 SSD and many of its year-old peers may still be attractive, Samsung is ready to move on to bigger and better things. The new flagship offering, the SSD 840 Pro, refines the 830 Series' firmware with faster random...

TechSpot

Read the full review