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Adata

LEGEND 840 1TB

▲ 500 ▼

Release date ≈ Q4 2021.

Average Bench: 370% (16th of 1072)

Based on 696 user benchmarks.  Model: ADATA LEGEND 840
Poor: 191%Average: 370% Great: 518%

Popular builds with this SSD

Outstanding average bench

The Adata LEGEND 840 1TB averaged 269.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata LEGEND 840 1TB near the top of the comparison list.

Strengths

Avg. Sequential Write Speed 3,331MB/s
Avg. Sustained Write Speed 2,769MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Adata LEGEND 840 1TB is 327%. This is a particularly wide range which indicates that the Adata LEGEND 840 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 353MB/s
Avg. 4K Random Mixed IO Speed 53.6MB/s
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Average Bench

(Based on 696 samples)
Rank 16370%
Min Avg Max
1,089 Read 2,296 3,077
1,279 Write 3,331 4,576
998 Mixed 2,253 2,878
821 SusWrite 2,769 4,406
603% 2,662 MB/s
Min Avg Max
39.3 4K Read 66.1 84.3
64.7 4K Write 182 277
33.7 4K Mixed 53.6 66.6
265% 100 MB/s
Min Avg Max
48 DQ Read 353 1,366
246 DQ Write 1,023 1,580
139 DQ Mixed 160 179
274% 512 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
918GB free
Firmware: 1.2.3.P
SusWrite @10s intervals: 4213 4511 4516 4463 4428 4438 MB/s
495% Outstanding
Read 2,688
Write 4,487
Mixed 2,857
SusWrite 4,428
822% 3,615 MB/s
4K Read 79.8
4K Write 198
4K Mixed 62.6
306% 113 MB/s
DQ Read 64.4
DQ Write 1,102
DQ Mixed 165
253% 444 MB/s
883GB free (System drive)
Firmware: 1.2.4.M
SusWrite @10s intervals: 3974 4011 4006 4003 3997 3216 MB/s
428% Outstanding
Read 2,389
Write 4,044
Mixed 2,672
SusWrite 3,868
738% 3,243 MB/s
4K Read 59.4
4K Write 134
4K Mixed 44.2
218% 79.2 MB/s
DQ Read 49.1
DQ Write 1,378
DQ Mixed 167
294% 532 MB/s
415GB free (System drive)
Firmware: 1.2.8.R
SusWrite @10s intervals: 2133 2382 2514 1899 2550 1587 MB/s
338% Outstanding
Read 2,270
Write 2,534
Mixed 2,006
SusWrite 2,178
507% 2,247 MB/s
4K Read 58.7
4K Write 173
4K Mixed 52
247% 94.6 MB/s
DQ Read 804
DQ Write 1,043
DQ Mixed 135
322% 661 MB/s
340GB free (System drive)
Firmware: 1.2.8.R
SusWrite @10s intervals: 2047 2017 2088 2164 2189 2157 MB/s
325% Outstanding
Read 2,257
Write 1,582
Mixed 1,966
SusWrite 2,110
445% 1,979 MB/s
4K Read 63.9
4K Write 170
4K Mixed 63.5
268% 99 MB/s
DQ Read 59.3
DQ Write 1,070
DQ Mixed 168
248% 432 MB/s
913GB free (System drive)
Firmware: 1.2.4.M
SusWrite @10s intervals: 2331 2190 2114 1715 1699 1724 MB/s
274% Outstanding
Read 1,518
Write 1881
Mixed 1,508
SusWrite 1,962
389% 1,717 MB/s
4K Read 62
4K Write 112
4K Mixed 51
219% 75.1 MB/s
DQ Read 328
DQ Write 897
DQ Mixed 181
262% 469 MB/s
909GB free (System drive)
Firmware: 1.2.8.R
SusWrite @10s intervals: 424 614 634 664 649 626 MB/s
135% Outstanding
Read 614
Write 617
Mixed 577
SusWrite 602
136% 602 MB/s
4K Read 44.6
4K Write 90.8
4K Mixed 50.2
180% 61.9 MB/s
DQ Read 66.4
DQ Write 741
DQ Mixed 159
196% 322 MB/s
696 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,661,796 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 LEGEND 840 1TB Builds (Compare 15,619 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 209%
UFO
Desktop
Desktop 115%
UFO
Workstation
Workstation 230%
UFO

Motherboard: Asus TUF GAMING Z690-PLUS WIFI D4 - $198

CPU
Core i7-12700KIntel  $228Bench 114%, 78,749 samples6,740x
Core i5-12600KIntel  $184Bench 109%, 101,563 samples2,671x
Core i9-12900KIntel  $331Bench 117%, 66,991 samples2,430x
GPU
RTX 3080Nvidia  $910Bench 187%, 424,051 samples1,773x
RTX 3080-TiNvidia  $630Bench 204%, 155,335 samples1,597x
RTX 3070Nvidia  $400Bench 148%, 619,642 samples1,564x
SSD
LEGEND 840 1TBAdataBench 370%, 696 samples1x
RAM
CMW32GX4M2D3600C18 2x16GBCorsairBench 96%, 45,582 samples626x
Skill Intl F4-3200C16-16GVK 2x16GBGBench 94%, 11,497 samples499x
Vengeance LPX DDR4 3600 C18 2x16GBCorsairBench 90%, 101,975 samples452x
EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $1,336

Popular LEGEND 840 1TB 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.

UserBenchmark of the month

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) 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

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

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 $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia 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) $35Corsair 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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