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JAJS600M256C 256GB

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Release date ≈ Q3 2018.

Average Bench: 69% (686th of 1072)

Based on 1,795 user benchmarks.  Model: JAJS600M256C
Poor: 38%Average: 69% Great: 98%

Popular builds with this SSD

Above average average bench

The JAJS600M256C 256GB averaged 31.0% 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 Write Speed 259MB/s
Avg. 4K Random Read Speed 25.5MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the JAJS600M256C 256GB is 60.7%. This is a particularly wide range which indicates that the JAJS600M256C 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 223MB/s
Avg. 4K-64Thread Read Speed 142MB/s
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Average Bench

(Based on 1,795 samples)
Rank 68669%
Min Avg Max
335 Read 442 506
198 Write 367 447
24.9 Mixed 297 412
49.3 SusWrite 223 427
74.3% 332 MB/s
Min Avg Max
11 4K Read 25.5 35.8
11.4 4K Write 71.5 116
0.4 4K Mixed 17.5 41.2
98.9% 38.2 MB/s
Min Avg Max
66.9 DQ Read 142 217
27.1 DQ Write 259 343
0.44 DQ Mixed 55.4 230
83.2% 152 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
29GB free
Firmware: R0427A
SusWrite @10s intervals: 234 236 235 236 237 236 MB/s
90% Outstanding
Read 517
Write 233
Mixed 278
SusWrite 236
70% 316 MB/s
4K Read 27.5
4K Write 115
4K Mixed 39
153% 60.6 MB/s
DQ Read 133
DQ Write 236
DQ Mixed 144
121% 171 MB/s
35GB free (System drive)
Firmware: SN07373
SusWrite @10s intervals: 202 196 195 191 188 190 MB/s
68.9% Good
Read 306
Write 211
Mixed 197
SusWrite 194
51% 227 MB/s
4K Read 25.1
4K Write 94.8
4K Mixed 28.9
125% 49.6 MB/s
DQ Read 123
DQ Write 191
DQ Mixed 130
106% 148 MB/s
94GB free (System drive)
Firmware: U0401A0
SusWrite @10s intervals: 133 199 63 54 56 125 MB/s
65.1% Good
Read 462
Write 393
Mixed 382
SusWrite 105
75% 336 MB/s
4K Read 23.9
4K Write 88.7
4K Mixed 17
105% 43.2 MB/s
DQ Read 104
DQ Write 331
DQ Mixed 27
76% 154 MB/s
111GB free
Firmware: T0529A0
SusWrite @10s intervals: 133 15 118 19 110 19 MB/s
63.8% Good
Read 467
Write 350
Mixed 357
SusWrite 69.2
69% 311 MB/s
4K Read 32.4
4K Write 112
4K Mixed 19.2
133% 54.6 MB/s
DQ Read 87.6
DQ Write 17.9
DQ Mixed 0.9
14% 35.5 MB/s
107GB free (System drive)
Firmware: 0200Hf10
SusWrite @10s intervals: 183 28 71 46 81 14 MB/s
54.2% Above average
Read 413
Write 206
Mixed 244
SusWrite 70.5
52% 233 MB/s
4K Read 28.9
4K Write 67.3
4K Mixed 8.9
91% 35 MB/s
DQ Read 210
DQ Write 144
DQ Mixed 0.5
48% 118 MB/s
177GB free (System drive)
Firmware: U0506A0
SusWrite @10s intervals: 87 6.8 13 70 20 59 MB/s
23% Poor
Read 414
Write 120
Mixed 10.4
SusWrite 42.6
32% 147 MB/s
4K Read 7.5
4K Write 4.8
4K Mixed 0.3
14% 4.2 MB/s
1,795 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,669,623 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 JAJS600M256C 256GB Builds (Compare 48 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 9%
Tree trunk

Motherboard: Asrock H55M Pro

CPU
Core i5 760Intel  $100Bench 64%, 34,495 samples20x
Core i5-750Intel  $72Bench 62%, 43,796 samples6x
Core i5 650Intel  $70Bench 46%, 42,063 samples4x
GPU
GTX 465NvidiaBench 13%, 1,390 samples7x
HD 7750AMDBench 8%, 22,655 samples4x
GTX 660Nvidia  $170Bench 20%, 123,956 samples4x
SSD
JAJS600M256C 256GBBench 69%, 1,795 samples14x
RAM
8GBUnknownBench 34%, 82,857 samples26x
16GBUnknownBench 41%, 70,565 samples7x
12GBUnknownBench 35%, 85,415 samples5x
EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $100

Popular JAJS600M256C 256GB compatible motherboards:

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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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
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  • - 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]

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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 $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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