Qunion

P20A 512G 512GB

P20A 512G 512GB
BENCHMARKS (29)
MKT (0%)
BUILDS
(0)

Effective Speed +84% Effective Speed 84%Average Score +103% Read 210%, Write 199%, 4K Read 33%, 4K Write 62%, Mixed 132%, 4K Mixed -21%, SusWrite 108%Peak Score +137% Read 256%, Write 219%, 4K Read 44%, 4K Write 86%, Mixed 179%, 4K Mixed -10%, SusWrite 184%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +121% DQ Read 146%, DQ Write 196%, DQ Mixed 100%, ADQ Read 126%, ADQ Write 107%, ADQ Mixed 57%, Age 82%, AS-SSD Total 156%

Average Bench: 181% (120^th of 1071)

Based on 29 user benchmarks. Model: Qunion P20A 512G

Poor: 89%Average: 181% Great: 240%

Popular builds with this SSD

Outstanding average bench

The Qunion P20A 512G 512GB averaged 80.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Qunion P20A 512G 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 408MB/s

Avg. Sequential Read Speed 1,420MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Qunion P20A 512G 512GB is 151%. This is a particularly wide range which indicates that the Qunion P20A 512G 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 37.2MB/s

Avg. Sustained Write Speed 618MB/s

Average Bench

(Based on 29 samples)

Rank 120181%

Min	Avg	Max
367	Read 1,420	1,804
120	Write 1,213	1,546
156	Mixed 834	1,182
208	SusWrite 618	1,099
228% 1,021 MB/s

Min	Avg	Max
19.2	4K Read 45.6	62.1
51.8	4K Write 142	228
20.5	4K Mixed 37.2	53
192% 75 MB/s

Min	Avg	Max
154	DQ Read 737	903
221	DQ Write 598	1,062
47	DQ Mixed 408	664
376% 581 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

CAN-User, 3 years ago.

423GB free (System drive)

Firmware: 2004XKR

SusWrite @10s intervals: 340 803 918 782 990 1027 MB/s

225% Outstanding

Write 1,540

Mixed 983

SusWrite 810

281% 1,259 MB/s

4K Read 50.6

4K Write 211

4K Mixed 30

227% 97.1 MB/s

DQ Read 899

DQ Write 999

DQ Mixed 214

364% 704 MB/s

ROU-User, 3 years ago.

315GB free (System drive)

Firmware: 2004XKR

SusWrite @10s intervals: 1096 1078 852 958 1043 753 MB/s

199% Outstanding

Write 1,492

Mixed 441

SusWrite 964

258% 1,158 MB/s

4K Read 48.7

4K Write 104

4K Mixed 27.4

164% 60 MB/s

DQ Read 792

DQ Write 244

DQ Mixed 166

214% 401 MB/s

USA-User, 2 years ago.

420GB free (System drive)

Firmware: S911XKR

SusWrite @10s intervals: 840 1203 529 1040 1150 615 MB/s

198% Outstanding

Write 1,521

Mixed 1,014

SusWrite 896

252% 1,113 MB/s

4K Read 56.6

4K Write 134

4K Mixed 43.5

212% 78.1 MB/s

DQ Read 885

DQ Write 874

DQ Mixed 624

539% 794 MB/s

CAN-User, 2 years ago.

275GB free (System drive)

Firmware: S911XKR

SusWrite @10s intervals: 208 214 232 257 205 130 MB/s

175% Outstanding

Write 1,506

Mixed 1,115

SusWrite 208

253% 1,138 MB/s

4K Read 49.3

4K Write 166

4K Mixed 50

227% 88.4 MB/s

DQ Read 900

DQ Write 229

DQ Mixed 140

213% 423 MB/s

MDA-User, 2 years ago.

19GB free

Firmware: S911XKR

SusWrite @10s intervals: 228 227 59 280 256 448 MB/s

145% Outstanding

Write 120

Mixed 156

SusWrite 250

115% 538 MB/s

4K Read 37.9

4K Write 51.8

4K Mixed 30.4

124% 40 MB/s

DQ Read 891

DQ Write 336

DQ Mixed 159

237% 462 MB/s

GBR-User, 3 years ago.

451GB free (System drive)

Firmware: S0920A0

SusWrite @10s intervals: 393 407 397 402 398 366 MB/s

100% Outstanding

Write 417

Mixed 384

SusWrite 394

94% 418 MB/s

4K Read 34.3

4K Write 120

4K Mixed 31.2

156% 61.9 MB/s

DQ Read 184

DQ Write 317

DQ Mixed 47.6

93% 183 MB/s

GBR-User, 3 years ago.

452GB free (System drive)

Firmware: S0920A0

SusWrite @10s intervals: 377 378 358 356 358 330 MB/s

97.7% Outstanding

Write 392

Mixed 379

SusWrite 360

90% 402 MB/s

4K Read 34.4

4K Write 118

4K Mixed 30.6

154% 61.1 MB/s

DQ Read 183

DQ Write 312

DQ Mixed 47

92% 181 MB/s

29 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,896,716 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 P20A 512G 512GB Builds (Compare 14,615 builds) See popular component choices, score breakdowns and rankings

Gaming 26%

Raft

Desktop 75%

Battleship

Workstation 23%

Surfboard

System: Default string

CPU
Xeon E5-2620 v3IntelBench 66%, 6,890 samples	1,023x
Xeon E5-2640 v3IntelBench 71%, 3,267 samples	959x
Xeon E5-2670 v3IntelBench 66%, 3,953 samples	908x

GPU
GTX 1050-TiNvidia $59Bench 29%, 946,701 samples	487x
UHD Graphics 600IntelBench 1%, 35,976 samples	480x
GTX 1660S (Super)Nvidia $238Bench 71%, 428,800 samples	460x

SSD
P20A 512G 512GBQunionBench 181%, 29 samples	1x

RAM
2x8GBUnknownBench 64%, 236,291 samples	1,369x
Atermiter 2x8GBUnknownBench 59%, 2,316 samples	490x
123456789012345678 4x2GBABCDBench 24%, 5,869 samples	355x

EDIT WITH CUSTOM PC BUILDER

Value: 118% - Outstanding

Total price: $59

Popular P20A 512G 512GB 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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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.

1071 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 $273	Nvidia RTX 4060 $280	Crucial MX500 250GB $39
Intel Core i5-12400F $120	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $168	Nvidia RTX 4070 $490	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $39	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Qunion

P20A 512G 512GB

Average Bench: 181% (120^th of 1071)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Default string

Popular P20A 512G 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Qunion

P20A 512G 512GB

Average Bench: 181% (120th of 1071)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Default string

Popular P20A 512G 512GB 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: 181% (120^th of 1071)