TEST
YOUR SSD
ADD TO PC
BUILD

512gb

NVME XJYC-999-512G 512GB

▲ 500 ▼

Release date ≈ Q2 2022.

Average Bench: 246% (59th of 1072)

Based on 2 user benchmarks.  Model: 512GB NVME XJYC-999-512G
Poor: 238%Average: 246% Great: 253%

Outstanding average bench

The 512gb NVME XJYC-999-512G 512GB averaged 145.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the 512gb NVME XJYC-999-512G 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 980MB/s
Avg. 4K-64Thread Mixed IO Speed 245MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this SSD perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K Random Mixed IO Speed 30.3MB/s
Avg. 4K Random Read Speed 50MB/s
ADVERTISEMENT

Average Bench

(Based on 2 samples)
Rank 59246%
Min Avg Max
1,553 Read 1,582 1,611
1,360 Write 1,388 1,416
1,046 Mixed 1,061 1,075
1,367 SusWrite 1,376 1,385
304% 1,352 MB/s
Min Avg Max
46.5 4K Read 50 53.4
146 4K Write 170 193
29.2 4K Mixed 30.3 31.4
204% 83.4 MB/s
Min Avg Max
798 DQ Read 799 801
952 DQ Write 980 1,007
243 DQ Mixed 245 246
364% 675 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
379GB free
Firmware: 2109XKR Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1423 1416 1432 1417 1431 1193 MB/s
253% Outstanding
Read 1,611
Write 1,360
Mixed 1,075
SusWrite 1,385
305% 1,358 MB/s
4K Read 53.4
4K Write 193
4K Mixed 31.4
223% 92.7 MB/s
DQ Read 801
DQ Write 1,007
DQ Mixed 246
369% 685 MB/s
379GB free
Firmware: 2109XKR Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1420 1419 1412 1412 1381 1158 MB/s
238% Outstanding
Read 1,553
Write 1,416
Mixed 1,046
SusWrite 1,367
302% 1,346 MB/s
4K Read 46.5
4K Write 146
4K Mixed 29.2
185% 74.1 MB/s
DQ Read 798
DQ Write 952
DQ Mixed 243
359% 665 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,783,992 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
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) 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]

ADVERTISEMENT

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.

 Comments

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Over the hill
Age: 23 months

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 $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback