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VO1200KEFJC 1TB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 203% (94th of 1072)

Based on 6 user benchmarks.  Model: VO1200KEFJC
Poor: 130%Average: 203% Great: 239%

Outstanding average bench

The VO1200KEFJC 1TB averaged 103.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the VO1200KEFJC 1TB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 938MB/s
Avg. 4K-64Thread Write Speed 943MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the VO1200KEFJC 1TB is 109%. This is a particularly wide range which indicates that the VO1200KEFJC 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 586MB/s
Avg. Sequential Read Speed 670MB/s
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Average Bench

(Based on 6 samples)
Rank 94203%
Min Avg Max
477 Read 670 761
769 Write 1,132 1,242
392 Mixed 586 687
927 SusWrite 1,134 1,218
200% 880 MB/s
Min Avg Max
18.2 4K Read 34 39.6
68.6 4K Write 174 250
25.6 4K Mixed 48.4 56.9
205% 85.4 MB/s
Min Avg Max
666 DQ Read 1,084 1,572
466 DQ Write 943 1,231
552 DQ Mixed 938 1,089
724% 988 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
1TB free
Firmware: 4IFDHPK3
SusWrite @10s intervals: 1203 1211 1205 1220 1215 1221 MB/s
239% Outstanding
Read 709
Write 1,210
Mixed 600
SusWrite 1,212
212% 933 MB/s
4K Read 39.5
4K Write 224
4K Mixed 56.9
251% 107 MB/s
DQ Read 1,572
DQ Write 1,186
DQ Mixed 1,082
890% 1,280 MB/s
635GB free
Firmware: 4IFDHPK2
SusWrite @10s intervals: 1207 1203 1206 1202 1202 1201 MB/s
239% Outstanding
Read 761
Write 1,242
Mixed 687
SusWrite 1,203
221% 973 MB/s
4K Read 34.7
4K Write 250
4K Mixed 51.4
251% 112 MB/s
DQ Read 1,479
DQ Write 1,231
DQ Mixed 1,089
888% 1,266 MB/s
267GB free
Firmware: 4IFDHPK2
SusWrite @10s intervals: 1206 1217 1216 1219 1224 1225 MB/s
213% Outstanding
Read 748
Write 1,204
Mixed 634
SusWrite 1,218
216% 951 MB/s
4K Read 39.6
4K Write 202
4K Mixed 54.4
236% 98.5 MB/s
DQ Read 739
DQ Write 929
DQ Mixed 1,042
728% 903 MB/s
1TB free
Firmware: 4IFDHPK3
SusWrite @10s intervals: 1145 1169 1160 1144 1126 1170 MB/s
202% Outstanding
Read 667
Write 1,184
Mixed 633
SusWrite 1,152
207% 909 MB/s
4K Read 36.1
4K Write 151
4K Mixed 51.9
201% 79.6 MB/s
DQ Read 1,023
DQ Write 926
DQ Mixed 943
716% 964 MB/s
1TB free
Firmware: 4IFDHPK3
SusWrite @10s intervals: 1141 1159 1132 1037 1048 1046 MB/s
196% Outstanding
Read 656
Write 1,183
Mixed 569
SusWrite 1,094
199% 875 MB/s
4K Read 35.9
4K Write 148
4K Mixed 49.9
197% 78 MB/s
DQ Read 1,024
DQ Write 922
DQ Mixed 924
706% 957 MB/s
605GB free (System drive)
Firmware: 4IFDHPK3
SusWrite @10s intervals: 991 925 819 904 952 972 MB/s
130% Outstanding
Read 477
Write 769
Mixed 392
SusWrite 927
146% 642 MB/s
4K Read 18.2
4K Write 68.6
4K Mixed 25.6
97% 37.5 MB/s
DQ Read 666
DQ Write 466
DQ Mixed 552
416% 561 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,891,605 SSDs tested

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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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  • 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?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $289Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $176Nvidia RTX 4070 $515Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $39SanDisk 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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