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DX300256A5xnEMLC 256GB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 65.9% (731st of 1072)

Based on 10 user benchmarks.  Model: DX300256A5xnEMLC
Poor: 51%Average: 65.9% Great: 84%

Popular builds with this SSD

Above average average bench

The DX300256A5xnEMLC 256GB averaged 34.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 73.2MB/s
Avg. 4K Random Read Speed 21.3MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the DX300256A5xnEMLC 256GB is 32.7%. This is a relatively narrow range which indicates that the DX300256A5xnEMLC 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 114MB/s
Avg. Sequential Mixed IO Speed 221MB/s
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Average Bench

(Based on 10 samples)
Rank 73165.9%
Min Avg Max
300 Read 382 445
199 Write 318 416
172 Mixed 221 279
234 SusWrite 330 382
70.2% 313 MB/s
Min Avg Max
8.5 4K Read 21.3 29.3
14.5 4K Write 47.2 94.6
10.4 4K Mixed 22.8 34.3
86.4% 30.4 MB/s
Min Avg Max
25 DQ Read 114 261
42.1 DQ Write 126 225
10.7 DQ Mixed 73.2 145
68% 104 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
207GB free (System drive)
Firmware: X2200400
SusWrite @10s intervals: 365 375 404 375 385 390 MB/s
83.8% Excellent
Read 439
Write 416
Mixed 261
SusWrite 382
84% 374 MB/s
4K Read 26.3
4K Write 55.9
4K Mixed 29.1
107% 37.1 MB/s
DQ Read 230
DQ Write 225
DQ Mixed 136
127% 197 MB/s
70GB free (System drive)
Firmware: X2200400
SusWrite @10s intervals: 236 227 232 239 235 233 MB/s
75.9% Very good
Read 366
Write 304
Mixed 237
SusWrite 234
64% 285 MB/s
4K Read 29.3
4K Write 69.8
4K Mixed 33
124% 44 MB/s
DQ Read 213
DQ Write 191
DQ Mixed 128
116% 178 MB/s
221GB free (System drive)
Firmware: X2200400
SusWrite @10s intervals: 327 332 331 332 335 334 MB/s
62.1% Good
Read 336
Write 334
Mixed 190
SusWrite 332
67% 298 MB/s
4K Read 21.8
4K Write 37.3
4K Mixed 24.2
84% 27.8 MB/s
DQ Read 28.2
DQ Write 80.8
DQ Mixed 33.3
32% 47.4 MB/s
189GB free (System drive)
Firmware: X2200400
SusWrite @10s intervals: 331 336 336 328 334 334 MB/s
61.5% Good
Read 339
Write 340
Mixed 191
SusWrite 333
68% 301 MB/s
4K Read 21
4K Write 36.1
4K Mixed 23.5
81% 26.9 MB/s
DQ Read 28.1
DQ Write 79.9
DQ Mixed 32.3
31% 46.8 MB/s
221GB free (System drive)
Firmware: X2200400
SusWrite @10s intervals: 287 309 290 294 293 295 MB/s
51.1% Above average
Read 300
Write 280
Mixed 172
SusWrite 294
59% 261 MB/s
4K Read 14.5
4K Write 36.1
4K Mixed 16
62% 22.2 MB/s
DQ Read 26.4
DQ Write 77.6
DQ Mixed 31.9
30% 45.3 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,873,086 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 DX300256A5xnEMLC 256GB Builds (Compare 1,970 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 6%
Tree trunk
Desktop
Desktop 50%
Yacht
Workstation
Workstation 6%
Tree trunk

System: Dell Latitude E7440

CPU
Core i7-4600UIntelBench 49%, 26,548 samples783x
Core i5-4310UIntelBench 49%, 14,648 samples682x
Core i5-4300UIntelBench 44%, 36,631 samples411x
GPU
HD 4400 (Mobile 1.0/1.1 GHz)IntelBench 2%, 275,372 samples1,967x
GTX 780-TiNvidia  $410Bench 53%, 30,815 samples1x
HD Graphics FamilyIncredibleBench 3%, 12 samples1x
SSD
DX300256A5xnEMLC 256GBBench 66%, 10 samples1x
RAM
HMT451S6BFR8A-PB 2x4GBHynixBench 48%, 30,280 samples120x
M471B1G73DB0-YK0 1x8GBSamsungBench 28%, 44,908 samples76x
M471B5173DB0-YK0 2x4GBSamsungBench 47%, 26,681 samples72x
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Popular DX300256A5xnEMLC 256GB 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.

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Gaming Desktop ProGaming

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) May 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]

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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.

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Speed Comparisons

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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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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