Samsung

845DC PRO 400GB

845DC PRO 400GB
BENCHMARKS (60)
MKT (0%)
BUILDS
(0)

Effective Speed -7%Effective Speed -7%Average Score -10%Read -7%, Write -1%, 4K Read -27%, 4K Write -29%, Mixed -5%, 4K Mixed -29%, SusWrite 31%Peak Score -10%Read 1%, Write -6%, 4K Read -29%, 4K Write -23%, Mixed 12%, 4K Mixed -33%, SusWrite 11%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -8%DQ Read -3%, DQ Write -11%, DQ Mixed -13%, ADQ Read -9%, ADQ Write -6%, ADQ Mixed -8%, Age -6%, AS-SSD Total -9%

Average Bench: 91.6% (308^th of 1072)

Based on 60 user benchmarks. Model: Samsung SSD 845DC PRO 400GB

Poor: 69%Average: 91.6% Great: 106%

Popular builds with this SSD

Excellent average bench

The Samsung 845DC PRO 400GB averaged just 8.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 845DC PRO 400GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 241MB/s

Avg. 4K Random Mixed IO Speed 34.8MB/s

See where your SSD ranks →

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung 845DC PRO 400GB is 37.4%. This is a relatively wide range which indicates that the Samsung 845DC PRO 400GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 341MB/s

Avg. Sequential Read Speed 428MB/s

Average Bench

(Based on 60 samples)

Rank 30891.6%

Min	Avg	Max
365	Read 428	510
328	Write 402	457
279	Mixed 341	475
309	SusWrite 388	429
87.7% 390 MB/s

Min	Avg	Max
20.3	4K Read 27	33.3
40.7	4K Write 68	99.5
23.6	4K Mixed 34.8	43.8
122% 43.3 MB/s

Min	Avg	Max
31.9	DQ Read 300	356
106	DQ Write 273	322
22	DQ Mixed 241	293
193% 271 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

USA-User, 17 months ago.

370GB free

Firmware: DXV80X3Q

SusWrite @10s intervals: 413 414 413 414 422 413 MB/s

99.2% Outstanding

Write 428

Mixed 335

SusWrite 415

89% 394 MB/s

4K Read 30

4K Write 85

4K Mixed 38.7

140% 51.2 MB/s

DQ Read 356

DQ Write 309

DQ Mixed 292

230% 319 MB/s

TUR-User, 2 years ago.

133GB free (System drive)

Firmware: DXV80X3Q

SusWrite @10s intervals: 400 402 396 393 395 366 MB/s

99.2% Outstanding

Write 398

Mixed 309

SusWrite 392

84% 370 MB/s

4K Read 29.9

4K Write 93

4K Mixed 40.5

146% 54.5 MB/s

DQ Read 354

DQ Write 312

DQ Mixed 290

229% 318 MB/s

USA-User, 18 months ago.

138GB free

Firmware: DXV80X3Q

SusWrite @10s intervals: 260 326 362 414 425 417 MB/s

96% Outstanding

Write 412

Mixed 341

SusWrite 367

86% 384 MB/s

4K Read 30

4K Write 90.8

4K Mixed 35.1

138% 52 MB/s

DQ Read 354

DQ Write 309

DQ Mixed 292

230% 318 MB/s

USA-User, 13 months ago.

86GB free (System drive)

Firmware: DXV80X3Q

SusWrite @10s intervals: 371 404 409 421 420 418 MB/s

94.9% Outstanding

Write 410

Mixed 326

SusWrite 407

86% 382 MB/s

4K Read 27.1

4K Write 72.6

4K Mixed 37.6

128% 45.8 MB/s

DQ Read 356

DQ Write 312

DQ Mixed 289

229% 319 MB/s

RUS-User, 7 months ago.

118GB free (System drive)

Firmware: DXV80X3Q

SusWrite @10s intervals: 360 367 378 388 380 376 MB/s

94.5% Outstanding

Write 400

Mixed 337

SusWrite 375

88% 390 MB/s

4K Read 31.1

4K Write 79.7

4K Mixed 41.7

143% 50.8 MB/s

DQ Read 227

DQ Write 186

DQ Mixed 201

152% 205 MB/s

60 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,636,994 SSDs tested

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 845DC PRO 400GB Builds (Compare 2,096 builds) See popular component choices, score breakdowns and rankings

Gaming 11%

Tree trunk

Desktop 67%

Battle cruiser

Workstation 10%

Tree trunk

System: Dell XPS 8500

CPU
Core i7-3770Intel $297Bench 69%, 278,207 samples	1,662x
Core i5-3450Intel $59Bench 66%, 34,199 samples	144x
Core i5-3350PIntel $60Bench 65%, 21,413 samples	139x

GPU
GeForce GT 640NvidiaBench 6%, 34,519 samples	162x
GTX 1050-TiNvidia $59Bench 29%, 946,701 samples	154x
GeForce GT 620NvidiaBench 2%, 17,163 samples	112x

SSD
845DC PRO 400GBSamsungBench 92%, 60 samples	1x

RAM
HMT351U6CFR8C-PB 4x4GBHynixBench 58%, 7,298 samples	154x
HMT351U6CFR8C-PB 2x4GBHynixBench 53%, 17,809 samples	80x
NT4GC64B8HG0NF-DI 4x4GBNanyaBench 58%, 1,608 samples	76x

EDIT WITH CUSTOM PC BUILDER

Value: 68% - Good

Total price: $297

Popular 845DC PRO 400GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming

Desktop

ProGaming

CPU

GPU

SSD

HDD

RAM

USB

How it works

- Download and run UserBenchmark
- CPU tests include: integer, floating and string
- GPU tests include: six 3D game simulations
- Drive tests include: read, write, sustained write and mixed IO
- RAM tests include: single/multi core bandwidth and latency
- SkillBench (space shooter) tests user input accuracy
- Reports are generated and presented on userbenchmark.com
- Identify the strongest components in your PC
- See speed test results from other users
- Compare your components to the current market leaders
- Explore your best upgrade options with a virtual PC build
- Compare your in-game FPS to other users with your hardware

Solid State Drive Rankings (Price vs Performance) April 2024 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]

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.

1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

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 »

CPU	GPU	SSD
Intel Core i5-13600K $273	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $134	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Samsung

845DC PRO 400GB

Average Bench: 91.6% (308^th of 1072)

Popular builds with this SSD

Excellent average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 8500

Popular 845DC PRO 400GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

845DC PRO 400GB

Average Bench: 91.6% (308th of 1072)

Popular builds with this SSD

Excellent average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 8500

Popular 845DC PRO 400GB systems:

UserBenchmark of the month

How it works

Group Test Results

Share a related link

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 91.6% (308^th of 1072)