Nvme

YMTC YMSS1ED04B21MC 256GB

YMTC YMSS1ED04B21MC 256GB
BENCHMARKS (81)
MKT (0%)
BUILDS
(0)

Effective Speed +38% Effective Speed 38%Average Score +57% Read 153%, Write 95%, 4K Read 28%, 4K Write -23%, Mixed 113%, 4K Mixed -4%, SusWrite 38%Peak Score +74% Read 189%, Write 120%, 4K Read 17%, 4K Write -1%, Mixed 141%, 4K Mixed 11%, SusWrite 42%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +75% DQ Read 82%, DQ Write 11%, DQ Mixed 31%, ADQ Read 44%, ADQ Write -18%, ADQ Mixed 25%, Age 373%, AS-SSD Total 55%

Average Bench: 136% (173^rd of 1072)

Based on 81 user benchmarks. Model: NVMe YMTC YMSS1ED04B21MC

Poor: 89%Average: 136% Great: 178%

Popular builds with this SSD

Outstanding average bench

The Nvme YMTC YMSS1ED04B21MC 256GB averaged 35.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme YMTC YMSS1ED04B21MC 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 326MB/s

Avg. Sequential Read Speed 1,157MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme YMTC YMSS1ED04B21MC 256GB is 89.5%. This is a particularly wide range which indicates that the Nvme YMTC YMSS1ED04B21MC 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 408MB/s

Avg. 4K-64Thread Write Speed 244MB/s

Average Bench

(Based on 81 samples)

Rank 173136%

Min	Avg	Max
728	Read 1,157	1,463
440	Write 791	1,068
411	Mixed 763	1,020
256	SusWrite 408	548
174% 779 MB/s

Min	Avg	Max
16.7	4K Read 43.8	50.2
25.1	4K Write 71	121
17	4K Mixed 43.4	64.6
160% 52.7 MB/s

Min	Avg	Max
230	DQ Read 471	667
93.8	DQ Write 244	398
159	DQ Mixed 326	434
251% 347 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

IDN-User, 1 month ago.

116GB free (System drive)

Firmware: LN015215 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 374 283 273 260 293 293 MB/s

164% Outstanding

Write 1,148

Mixed 988

SusWrite 296

220% 989 MB/s

4K Read 50.7

4K Write 120

4K Mixed 49.6

204% 73.4 MB/s

DQ Read 692

DQ Write 344

DQ Mixed 392

324% 476 MB/s

USA-User, 3 months ago.

140GB free (System drive)

Firmware: LN015216 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 349 291 266 200 281 293 MB/s

140% Outstanding

Write 876

Mixed 850

SusWrite 280

177% 792 MB/s

4K Read 44.5

4K Write 90.5

4K Mixed 56.9

188% 64 MB/s

DQ Read 562

DQ Write 247

DQ Mixed 307

254% 372 MB/s

USA-User, 5 months ago.

178GB free (System drive)

Firmware: LN015216 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 514 427 363 341 390 186 MB/s

129% Outstanding

Write 863

Mixed 782

SusWrite 370

175% 786 MB/s

4K Read 39.1

4K Write 66.4

4K Mixed 42.3

149% 49.3 MB/s

DQ Read 479

DQ Write 209

DQ Mixed 335

250% 341 MB/s

USA-User, 4 months ago.

174GB free (System drive)

Firmware: LN015215 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 357 233 268 258 288 288 MB/s

120% Outstanding

Write 676

Mixed 738

SusWrite 282

148% 663 MB/s

4K Read 34.2

4K Write 81.2

4K Mixed 48.2

157% 54.5 MB/s

DQ Read 432

DQ Write 264

DQ Mixed 340

255% 345 MB/s

USA-User, 4 months ago.

120GB free (System drive)

Firmware: LN015216 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 311 263 247 243 259 281 MB/s

111% Outstanding

Write 714

Mixed 436

SusWrite 267

130% 583 MB/s

4K Read 32.7

4K Write 61.9

4K Mixed 40.8

135% 45.1 MB/s

DQ Read 493

DQ Write 246

DQ Mixed 169

179% 303 MB/s

GUY-User, 1 month ago.

51GB free (System drive)

Firmware: LN015216 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 256 189 138 138 138 124 MB/s

107% Outstanding

Write 690

Mixed 741

SusWrite 164

150% 674 MB/s

4K Read 36

4K Write 43.7

4K Mixed 38.8

127% 39.5 MB/s

DQ Read 446

DQ Write 150

DQ Mixed 315

228% 303 MB/s

81 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,831,986 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 YMTC YMSS1ED04B21MC 256GB Builds (Compare 517 builds) See popular component choices, score breakdowns and rankings

Gaming 10%

Tree trunk

Desktop 61%

Destroyer

Workstation 9%

Tree trunk

System: Lenovo 81X7

CPU
Core i3-1115G4IntelBench 51%, 18,815 samples	313x
Core i5-1135G7IntelBench 69%, 36,962 samples	152x
Core i7-1165G7IntelBench 66%, 51,565 samples	40x

GPU
UHD GraphicsIntelBench 9%, 39,662 samples	325x
Iris XeIntelBench 14%, 144,774 samples	192x

SSD
YMTC YMSS1ED04B21MC 256GBNvmeBench 136%, 81 samples	1x

RAM
M471A5244CB0-CWE M471A5244CB0-CWE 8GBSamsungBench 55%, 3,313 samples	139x
M471A5244CB0-CWE Micron MT40A512M16TB-062E:R 8GBSamsungBench 58%, 866 samples	60x
M471A5244CB0-CWE Hynix HMA851S6DJR6N-XN 8GBSamsungBench 57%, 2,191 samples	55x

EDIT WITH CUSTOM PC BUILDER

Popular YMTC YMSS1ED04B21MC 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.

UserBenchmark of the month

Gaming

Desktop

ProGaming

CPU

GPU

SSD

HDD

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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) 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]

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 $260	Nvidia RTX 4060 $300	Crucial MX500 250GB $39
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Nvme

YMTC YMSS1ED04B21MC 256GB

Average Bench: 136% (173^rd of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Lenovo 81X7

Popular YMTC YMSS1ED04B21MC 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Nvme

YMTC YMSS1ED04B21MC 256GB

Average Bench: 136% (173rd of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Lenovo 81X7

Popular YMTC YMSS1ED04B21MC 256GB 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: 136% (173^rd of 1072)