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Samsung MZ-7KE128BW

850 Pro 128GB

▲ 631,858 ▼

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND. Release date: Q3 2014.

VS

Average Bench: 98.1% (176th of 980)

Based on 7,574 user benchmarks.  Models: Samsung SSD 850 PRO 128G, Samsung SSD 850 PRO 128GB, Samsung SSD 850 PRO, Samsun SSD 850 PRO 128G, Samsung SSD 850
Poor: 68%Average: 98.1% Great: 119%

Popular builds with this SSD

Excellent average bench

The Samsung 850 Pro 128GB averaged just 1.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 850 Pro 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 271MB/s
Avg. 4K Random Mixed IO Speed 39.7MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 850 Pro 128GB is 51.2%. This is a relatively wide range which indicates that the Samsung 850 Pro 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 297MB/s
Avg. Sustained Write Speed 330MB/s
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Average Bench

(Based on 7,574 samples)
Rank 17698.1%
Min Avg Max
363 Read 469 515
230 Write 396 482
227 Mixed 297 356
145 SusWrite 330 463
83.6% 373 MB/s
Min Avg Max
21.4 4K Read 31.8 38.4
42.9 4K Write 91.8 127
25.5 4K Mixed 39.7 48.3
148% 54.4 MB/s
Min Avg Max
91.7 DQ Read 336 388
116 DQ Write 293 353
47 DQ Mixed 271 332
215% 300 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
91GB free (System drive)
Firmware: EXM01B6Q
SusWrite @10s intervals: 421 435 438 449 448 448 MB/s
117% Outstanding
Read 514
Write 451
Mixed 296
SusWrite 440
95% 425 MB/s
4K Read 37.6
4K Write 109
4K Mixed 46.9
175% 64.5 MB/s
DQ Read 376
DQ Write 344
DQ Mixed 297
240% 339 MB/s
33GB free (System drive)
Firmware: EXM02B6Q
SusWrite @10s intervals: 284 234 224 224 223 209 MB/s
90.1% Outstanding
Read 458
Write 386
Mixed 319
SusWrite 233
78% 349 MB/s
4K Read 26.4
4K Write 87.2
4K Mixed 38.7
136% 50.8 MB/s
DQ Read 380
DQ Write 319
DQ Mixed 327
251% 342 MB/s
80GB free (System drive)
Firmware: EXM04B6Q
SusWrite @10s intervals: 271 263 273 283 346 342 MB/s
58.9% Above average
Read 367
Write 286
Mixed 247
SusWrite 296
67% 299 MB/s
4K Read 15.6
4K Write 29.8
4K Mixed 20.5
66% 22 MB/s
DQ Read 126
DQ Write 121
DQ Mixed 122
92% 123 MB/s
7,574 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,464,199 SSDs tested.

 Prices

Approx. $90 @ launch in Jul '14
AmazonUS $18330 mins
EbayUS $18617 mins
OutletPCUS $20821 months
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Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical 850 Pro 128GB Builds (Compare 189 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 14%
Tree trunk
Desktop
Desktop 54%
Yacht
Workstation
Workstation 28%
Raft

System: Acer Aspire Z3-615

CPU
Core i5-4570TIntel  $180Bench 52%, 1,732 samples81x
Core i3-4130TIntel  $300Bench 44%, 2,018 samples26x
Core i3-4150TIntelBench 46%, 415 samples22x
GPU
HD 4600 (Desktop 1.25 GHz)Intel  $15Bench 5%, 89,996 samples76x
HD 4400 (Desktop 1.15 GHz)IntelBench 4%, 21,993 samples52x
GeForce 840MNvidiaBench 10%, 10,192 samples44x
SSD
850 Pro 128GBSamsung  $183Bench 98%, 7,574 samples63x
RAM
HMT451S6AFR8A-PB Kingston HP16D3LS1KBG/4G 8GBHynixBench 52%, 47 samples33x
HP16D3LS1KBG/4G Hynix HMT451S6AFR8A-PB 8GBKingstonBench 50%, 45 samples24x
HMT451S6AFR8A-PB 2x4GBHynixBench 48%, 7,986 samples17x
EDIT WITH CUSTOM PC BUILDER Value: 49% - Average Total price: $378

Popular 850 Pro 128GB systems:

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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
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Solid State Drive Rankings (Price vs Performance) January 2019 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

SSDrivePro
Avatar level
1,352

Official site www.samsung.com/...

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND

The world's first 3D vertical NAND flash memory...

Added 3 years ago.
USA-User
Avatar level
4,770

Excellent (edit your comment) Add link

1 month ago.

IDN-User
Avatar level
2,277

Good

19 months ago.

Price-to-performace was very good. I'm using it to replace my aging SSD.

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 4 years

Speed Comparisons

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See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $360Nvidia GTX 1070 $320Samsung 850 Evo 250GB $70
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $110
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $115SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $780SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $125SanDisk Extreme 16GB $22
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